Hyper ToughAstroAIUnbrandedEverStartANENGPerformance ToolAutoolProsterVOLTAGE PROEotviaUNI-TKAIWEETSD-FantiXTOPZONELuckyBlissB&K PrecisionTAPDRAFlukeAllosunUstrisLive WireGJXKlein ToolsGUYUTINGEpotoorRongsiBAOQINUMLIFETeeReesNovoSphereDagLilyStoreGenericMosieeUnique BargainsKODASWNOBRANDEugene ColorYanneeGB ElectricalMomoyotijayLaiyeHomenanaCogfsLerpwigeUxcellYunhgftlikeweierGardnerDodocoolBokcztmlRUQLKFCEORPERDelestrikAluhayosLumeoRANMEIGardner BenderSuodokaChengsiQmerlimuiWhoasystMoobodyNovixySufanicYongCoAooowerFOMIYESYajisiBESTYASHTIZUQEFGDTREEGeeminHave Fan ShopgbHONMEETTerraBeneXUBIYMZeiwohndcDHJPSTUYWFangkenuoMilistenNovlewignOunonaYsyqknSorvenArealerCacagooDEEPCRAFFGSC InternationalHastoreMYOKOONoliterSihohanTEAGANWansterZENTRIVALuxshinySUKIYZorvanthexARCADORABlue Sea SystemsELAYARDHSSMHubJUANCHENGLynonoNFTIGBPatungKuRainyuRiouserySouthwireWEUVEBBASHIBASOElectronic SpecialtiesLanemaLHEUGZXNkeShengsmileVORALYNAPPLAYERRFeamosGoaderGreenleeHEMLBOYWMelittOADUKQRoohaTriplettAcahhotxxAmosfunBeisidaerDareFashionChaLinkpigLOLIPPYYLYNXONPROShienySperry InstrumentsztionaGrowmentNishiyuenyiOuliiQUINTEXCOReourlTOMSHOOUYWZTvlidscromAlasumAmprobeaoqianlanBkgifegrEtereautyFalleoHENYGENJacobsPartsLITINKIMIMOMOJIAPCE InstrumentsROVTECTsailesitiBIBABLYKECiwanningCSYANXINGDare ProductsElowenGieenanIdealJZROCKERM BuderManufacturer VariesMEBAYNATEFEMINPTOOTPSealeySUKVPSISWETRACETREEDIXUPOUARTUYWZVVensioWalmeckyaaqiiYOSADIERZMNGDOQDAiLiAndoerBlissphereCOOLHOODCTIRCHIUFENGGUIQUfuntasicaGrace KarinHtovilaLanjingLekeopenupmePapolorRockrok
Sort by|

Electronic Testers for Home Electrical Projects

Uses item details. Price when purchased online

SMLCON DM850 Red Multi-function Digital Multimeter Voltage Tester with Non-contact Voltage Tester, Price $10.39

SMLCON DM850 Red Multi-function Digital Multimeter Voltage Tester with Non-contact Voltage Tester
Sponsored
Price $10.39
SMLCON DM850 Red Multi-function Digital Multimeter Voltage Tester with Non-contact Voltage Tester
Save withWalmart plus
Shipping, arrives tomorrow

TESMEN TN-213 Non-Contact Voltage Tester, Voltage Tester Pen and Electric Tester Pen with Dual Sensitivity, LED Indicator and Waterproof Design, Price Now $14.99 Was $19.99

TESMEN TN-213 Non-Contact Voltage Tester, Voltage Tester Pen and Electric Tester Pen with Dual Sensitivity, LED Indicator and Waterproof Design
Sponsored
Price Now $14.99 Was $19.99
TESMEN TN-213 Non-Contact Voltage Tester, Voltage Tester Pen and Electric Tester Pen with Dual Sensitivity, LED Indicator and Waterproof Design
4.6 out of 5 stars
4.6 out of 5 Stars. 70 reviews
Save withWalmart plus
Shipping, arrives tomorrow

Proster Non Contact Voltage Tester Pen - Adjustable Sensitivity AC Voltage Detector, Electric Volt Pen Tester Pen 12-1000V/48-1000V, Contactless Voltage Detector, Price $12.99

Proster Non Contact Voltage Tester Pen - Adjustable Sensitivity AC Voltage Detector, Electric Volt Pen Tester Pen 12-1000V/48-1000V, Contactless Voltage Detector
Sponsored
Price $12.99
Proster Non Contact Voltage Tester Pen - Adjustable Sensitivity AC Voltage Detector, Electric Volt Pen Tester Pen 12-1000V/48-1000V, Contactless Voltage Detector
4 out of 5 stars
4 out of 5 Stars. 2 reviews
Free shipping, arrives in 3+ days

KAIWEETS Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LCD Display, Signal Percentage, Buzzer Alarm, Wire Breakpoint Finder, Live/Null Wire Tester, Price $12.99

KAIWEETS Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LCD Display, Signal Percentage, Buzzer Alarm, Wire Breakpoint Finder, Live/Null Wire Tester
Sponsored
Price $12.99
KAIWEETS Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LCD Display, Signal Percentage, Buzzer Alarm, Wire Breakpoint Finder, Live/Null Wire Tester
4.9 out of 5 stars
4.9 out of 5 Stars. 11 reviews
Save withWalmart plus
Shipping, arrives Mon, Oct 12

Overall pick, Hyper Tough Non-Contact Voltage Detector, 701000V AC, LED and Audible Alert, Price $9.97

Overall pick
Hyper Tough Non-Contact Voltage Detector, 701000V AC, LED and Audible Alert
Price $9.97
Hyper Tough Non-Contact Voltage Detector, 701000V AC, LED and Audible Alert
4.3 out of 5 stars
4.3 out of 5 Stars. 437 reviews
Save withWalmart plus
Pickup as soon as 1 hourDelivery as soon as 33 minsShipping, arrives today

SMLCON DM850 Red Multi-function Digital Multimeter Voltage Tester with Non-contact Voltage Tester, Price $10.39

SMLCON DM850 Red Multi-function Digital Multimeter Voltage Tester with Non-contact Voltage Tester
Price $10.39
SMLCON DM850 Red Multi-function Digital Multimeter Voltage Tester with Non-contact Voltage Tester
Save withWalmart plus
Shipping, arrives tomorrow

Hyper Tough Non-Contact Voltage Tester With 3 Sensors, Accurate From 12-1,000V AC, CAT II, Price $16.24

Hyper Tough Non-Contact Voltage Tester With 3 Sensors, Accurate From 12-1,000V AC, CAT II
Price $16.24
Hyper Tough Non-Contact Voltage Tester With 3 Sensors, Accurate From 12-1,000V AC, CAT II
4.5 out of 5 stars
4.5 out of 5 Stars. 11 reviews
Save withWalmart plus
Pickup as soon as 1 hourDelivery as soon as 33 minsShipping, arrives today

Online only, AstroAI Digital Multimeter Voltage Tester 2000 Counts with Ohm Volt Amp and Diode Voltage Meter, Electrical Tester Volt Ohm Amp Meter, 1Pack, Price $14.59

Online only
AstroAI Digital Multimeter Voltage Tester 2000 Counts with Ohm Volt Amp and Diode Voltage Meter, Electrical Tester Volt Ohm Amp Meter, 1Pack
Price $14.59
AstroAI Digital Multimeter Voltage Tester 2000 Counts with Ohm Volt Amp and Diode Voltage Meter, Electrical Tester Volt Ohm Amp Meter, 1Pack
4.6 out of 5 stars
4.6 out of 5 Stars. 392 reviews
Save withWalmart plus
Shipping, arrives tomorrow

Best seller, Hyper Tough GFCI Receptacle Tester with Wiring Fault Indicator, 95125V AC, Price $7.28

Best seller
Hyper Tough GFCI Receptacle Tester with Wiring Fault Indicator, 95125V AC
Price $7.28
Hyper Tough GFCI Receptacle Tester with Wiring Fault Indicator, 95125V AC
4.8 out of 5 stars
4.8 out of 5 Stars. 268 reviews
Save withWalmart plus
Pickup as soon as 1 hourDelivery as soon as 33 minsShipping, arrives today

Best seller, EverStart 12V Digital Battery Tester / Analyzer, Price $29.87

Best seller
EverStart 12V Digital Battery Tester / Analyzer
Price $29.87
EverStart 12V Digital Battery Tester / Analyzer
5 out of 5 stars
5 out of 5 Stars. 11 reviews
Save withWalmart plus
Pickup as soon as 1 hourDelivery as soon as 33 minsShipping, arrives today

Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder, Price $11.99 Options from $9.99

Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder
Sponsored
Price $11.99 Options from $9.99
Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder
4.7 out of 5 stars
4.7 out of 5 Stars. 26 reviews
Free shipping, arrives in 3+ days

Deal, AUTOOL BT360 Car Battery Tester, 8V-29V Digital Batteries Analyzer, Price Now $17.09 Was $18.99 Options from $17.09 – $109.00

Deal
AUTOOL BT360 Car Battery Tester, 8V-29V Digital Batteries Analyzer
Sponsored
Price Now $17.09 Was $18.99 Options from $17.09 – $109.00
AUTOOL BT360 Car Battery Tester, 8V-29V Digital Batteries Analyzer
4.4 out of 5 stars
4.4 out of 5 Stars. 151 reviews
Save withWalmart plus
Shipping, arrives Sun, Oct 11

Hyper Tough 3-Piece Electrical Tester Kit with Digital Multimeter, Voltage Detector and Outlet Tester, Price $41.88

Hyper Tough 3-Piece Electrical Tester Kit with Digital Multimeter, Voltage Detector and Outlet Tester
Price $41.88
Hyper Tough 3-Piece Electrical Tester Kit with Digital Multimeter, Voltage Detector and Outlet Tester
4.5 out of 5 stars
4.5 out of 5 Stars. 95 reviews
Save withWalmart plus
Pickup as soon as 1 hourDelivery as soon as 33 minsFree shipping, arrives today

GJX Battery Tester, Small Battery Testers Universal Battery Checker for AAA AA C D 9V 1.5V Button Cell Household Batteries, Price $7.32

GJX Battery Tester, Small Battery Testers Universal Battery Checker for AAA AA C D 9V 1.5V Button Cell Household Batteries
Price $7.32
GJX Battery Tester, Small Battery Testers Universal Battery Checker for AAA AA C D 9V 1.5V Button Cell Household Batteries
Free shipping, arrives in 3+ days

Ustris 2 Pack Battery Tester, Universal Battery Checker for AA / AAA / C / D / 9V / 1.5V Button Cell Batteries, Price $11.99

Ustris 2 Pack Battery Tester, Universal Battery Checker for AA / AAA / C / D / 9V / 1.5V Button Cell Batteries
Price $11.99
Ustris 2 Pack Battery Tester, Universal Battery Checker for AA / AAA / C / D / 9V / 1.5V Button Cell Batteries
4.5 out of 5 stars
4.5 out of 5 Stars. 26 reviews
Save withWalmart plus
Shipping, arrives tomorrow

Computer PC Power Supply Tester, Power Supply Host Inspection Maintenance Tester Tool with LCD Display, 20/24 4/6/8 Pin Power Supply Tester for ATX/ITX/TFX/BTX Power Supplies, Price $14.98

Computer PC Power Supply Tester, Power Supply Host Inspection Maintenance Tester Tool with LCD Display, 20/24 4/6/8 Pin Power Supply Tester for ATX/ITX/TFX/BTX Power Supplies
Price $14.98
Computer PC Power Supply Tester, Power Supply Host Inspection Maintenance Tester Tool with LCD Display, 20/24 4/6/8 Pin Power Supply Tester for ATX/ITX/TFX/BTX Power Supplies
Free shipping, arrives in 3+ days

Universal Battery Tester Checker Meter for AA AAA C D N 1.55V 9V Button Cell, Price $10.00

Universal Battery Tester Checker Meter for AA AAA C D N 1.55V 9V Button Cell
Price $10.00
Universal Battery Tester Checker Meter for AA AAA C D N 1.55V 9V Button Cell
4.1 out of 5 stars
4.1 out of 5 Stars. 20 reviews
Save withWalmart plus
Shipping, arrives Mon, Oct 12

12V 24V 36V 48V Battery Capacity Indicator Golf Cart Voltage Meter with LCD Display Green Backlight, Waterproof Monitor Gauge Digital Voltmeter Testers for 3S-26S Lithium Battery&Lead-Acid Batteries, Price $8.29

12V 24V 36V 48V Battery Capacity Indicator Golf Cart Voltage Meter with LCD Display Green Backlight, Waterproof Monitor Gauge Digital Voltmeter Testers for 3S-26S Lithium Battery&Lead-Acid Batteries
Price $8.29
12V 24V 36V 48V Battery Capacity Indicator Golf Cart Voltage Meter with LCD Display Green Backlight, Waterproof Monitor Gauge Digital Voltmeter Testers for 3S-26S Lithium Battery&Lead-Acid Batteries
4.3 out of 5 stars
4.3 out of 5 Stars. 3 reviews
Free shipping, arrives in 3+ days

Proster Non Contact Voltage Tester Pen - Adjustable Sensitivity AC Voltage Detector, Electric Volt Pen Tester Pen 12-1000V/48-1000V, Contactless Voltage Detector, Price $12.99

Proster Non Contact Voltage Tester Pen - Adjustable Sensitivity AC Voltage Detector, Electric Volt Pen Tester Pen 12-1000V/48-1000V, Contactless Voltage Detector
Price $12.99
Proster Non Contact Voltage Tester Pen - Adjustable Sensitivity AC Voltage Detector, Electric Volt Pen Tester Pen 12-1000V/48-1000V, Contactless Voltage Detector
4 out of 5 stars
4 out of 5 Stars. 2 reviews
Free shipping, arrives in 3+ days

LCD Battery Capacity Monitor Gauge Meter,Waterproof 12V/24V/36V/48V Lead Acid Battery Status Indicator,Lithium Battery Capacity Tester Voltage Meter Monitor Green Backlight for Vehicle Battery, Price Now $8.51 Was $11.99

LCD Battery Capacity Monitor Gauge Meter,Waterproof 12V/24V/36V/48V Lead Acid Battery Status Indicator,Lithium Battery Capacity Tester Voltage Meter Monitor Green Backlight for Vehicle Battery
Price Now $8.51 Was $11.99
LCD Battery Capacity Monitor Gauge Meter,Waterproof 12V/24V/36V/48V Lead Acid Battery Status Indicator,Lithium Battery Capacity Tester Voltage Meter Monitor Green Backlight for Vehicle Battery
1 out of 5 stars
1 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

2PCS Battery Tester Digital LCD Universal Battery Checker for AA AAA 9V 3.7V 1.5V, Price $7.99

2PCS Battery Tester Digital LCD Universal Battery Checker for AA AAA 9V 3.7V 1.5V
Sponsored
Price $7.99
2PCS Battery Tester Digital LCD Universal Battery Checker for AA AAA 9V 3.7V 1.5V
Save withWalmart plus
Shipping, arrives Mon, Oct 12

Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder, Price $9.99 Options from $9.99 – $12.09

Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder
Black, variant on Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder
Grey, variant on Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder
Yellow, variant on Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder
Price $9.99 Options from $9.99 – $12.09
Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder
4.7 out of 5 stars
4.7 out of 5 Stars. 26 reviews
Free shipping, arrives in 3+ days

Klein Tools NCVT-5A Dual Range Cordlesss Non-Contact Voltage Tester Kit with Laser Pointer and 2 Batteries, Price $32.69

Klein Tools NCVT-5A Dual Range Cordlesss Non-Contact Voltage Tester Kit with Laser Pointer and 2 Batteries
Price $32.69
Klein Tools NCVT-5A Dual Range Cordlesss Non-Contact Voltage Tester Kit with Laser Pointer and 2 Batteries
4.4 out of 5 stars
4.4 out of 5 Stars. 5 reviews
Free shipping, arrives in 3+ days

2 Pack LED Digital Voltmeter with Contact Switch,DC 12V 24V Car Display Waterproof Panel, Price $12.06

2 Pack LED Digital Voltmeter with Contact Switch,DC 12V 24V Car Display Waterproof Panel
Price $12.06
2 Pack LED Digital Voltmeter with Contact Switch,DC 12V 24V Car Display Waterproof Panel
4 out of 5 stars
4 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

Upgraded Watt Power Meter Plug Home Electrical Usage Monitor Consumption, Energy Voltage Amps Kill Tester with Backlight, Overload Protection, 7 Modes Display, Price Now $14.99 Was $30.99

Upgraded Watt Power Meter Plug Home Electrical Usage Monitor Consumption, Energy Voltage Amps Kill Tester with Backlight, Overload Protection, 7 Modes Display
Price Now $14.99 Was $30.99
Upgraded Watt Power Meter Plug Home Electrical Usage Monitor Consumption, Energy Voltage Amps Kill Tester with Backlight, Overload Protection, 7 Modes Display
3.7 out of 5 stars
3.7 out of 5 Stars. 3 reviews
Save withWalmart plus
Shipping, arrives tomorrow

Deal, Battery Tester Checker, 1 Pc Universal Battery Checker for AA AAA C D 9V 1.5V Button Cell Household Batteries Smal Electrical Monitor Meter Equipment, Black, Price Now $1.42 Was $3.59 + $4.99 shipping

Deal
Battery Tester Checker, 1 Pc Universal Battery Checker for AA AAA C D 9V 1.5V Button Cell Household Batteries Smal Electrical Monitor Meter Equipment, Black
Price Now $1.42 Was $3.59 + $4.99 shipping
Battery Tester Checker, 1 Pc Universal Battery Checker for AA AAA C D 9V 1.5V Button Cell Household Batteries Smal Electrical Monitor Meter Equipment, Black
4.3 out of 5 stars
4.3 out of 5 Stars. 26 reviews
Shipping, arrives in 3+ days

TESMEN TN-213 Non-Contact Voltage Tester, Voltage Tester Pen and Electric Tester Pen with Dual Sensitivity, LED Indicator and Waterproof Design, Price Now $14.99 Was $19.99

TESMEN TN-213 Non-Contact Voltage Tester, Voltage Tester Pen and Electric Tester Pen with Dual Sensitivity, LED Indicator and Waterproof Design
Price Now $14.99 Was $19.99
TESMEN TN-213 Non-Contact Voltage Tester, Voltage Tester Pen and Electric Tester Pen with Dual Sensitivity, LED Indicator and Waterproof Design
4.6 out of 5 stars
4.6 out of 5 Stars. 70 reviews
Save withWalmart plus
Shipping, arrives tomorrow

Battery Tester with Meter Electric Voltage Tester for AA AAA C D N Button Cell Batteries Battery Tester Checker, Price Now $13.38 Was $18.65

Battery Tester with Meter Electric Voltage Tester for AA AAA C D N Button Cell Batteries Battery Tester Checker
Price Now $13.38 Was $18.65
Battery Tester with Meter Electric Voltage Tester for AA AAA C D N Button Cell Batteries Battery Tester Checker
5 out of 5 stars
5 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

Deal, 2PACK Battery Tester, Universal Battery Checker for AAA AA C D 9V 1.5V Button Cell Household Batteries Model BT-168, Price $7.55

Deal
2PACK Battery Tester, Universal Battery Checker for AAA AA C D 9V 1.5V Button Cell Household Batteries Model BT-168
Price $7.55
2PACK Battery Tester, Universal Battery Checker for AAA AA C D 9V 1.5V Button Cell Household Batteries Model BT-168
5 out of 5 stars
5 out of 5 Stars. 2 reviews
Save withWalmart plus
Shipping, arrives Mon, Oct 12

KAIWEETS Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LCD Display, Signal Percentage, Buzzer Alarm, Wire Breakpoint Finder, Live/Null Wire Tester, Price $12.99

KAIWEETS Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LCD Display, Signal Percentage, Buzzer Alarm, Wire Breakpoint Finder, Live/Null Wire Tester
Black, variant on KAIWEETS Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LCD Display, Signal Percentage, Buzzer Alarm, Wire Breakpoint Finder, Live/Null Wire Tester
Full Red, variant on KAIWEETS Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LCD Display, Signal Percentage, Buzzer Alarm, Wire Breakpoint Finder, Live/Null Wire Tester
Multi-color, variant on KAIWEETS Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LCD Display, Signal Percentage, Buzzer Alarm, Wire Breakpoint Finder, Live/Null Wire Tester
Price $12.99
KAIWEETS Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LCD Display, Signal Percentage, Buzzer Alarm, Wire Breakpoint Finder, Live/Null Wire Tester
4.9 out of 5 stars
4.9 out of 5 Stars. 11 reviews
Save withWalmart plus
Shipping, arrives Mon, Oct 12

ANENG VD802 Non-contact AC Voltage Detector Tester Meter 12V-1000v Pen Style Electric Indicator LED Outlet Wit Yellow, Price $10.01

ANENG VD802 Non-contact AC Voltage Detector Tester Meter 12V-1000v Pen Style Electric Indicator LED Outlet Wit Yellow
Price $10.01
ANENG VD802 Non-contact AC Voltage Detector Tester Meter 12V-1000v Pen Style Electric Indicator LED Outlet Wit Yellow
3.7 out of 5 stars
3.7 out of 5 Stars. 18 reviews
Free shipping, arrives in 3+ days

ANENG BT173 Battery Tester, Universal Checker for AA AAA 9V 12V 23A Button & 18650 Lithium Batteries, Dual Display Power-Free Detector, Price $9.99

ANENG BT173 Battery Tester, Universal Checker for AA AAA 9V 12V 23A Button & 18650 Lithium Batteries, Dual Display Power-Free Detector
Price $9.99
ANENG BT173 Battery Tester, Universal Checker for AA AAA 9V 12V 23A Button & 18650 Lithium Batteries, Dual Display Power-Free Detector
5 out of 5 stars
5 out of 5 Stars. 3 reviews
Save withWalmart plus
Shipping, arrives Mon, Oct 12

Non-Contact Voltage Tester Pen - AC/DC 12-220V Detector - Current Sensor - Safe Volt Detector for Outlets/Wires/Circuits. (cross head), Price $9.90 Options from $9.90 – $11.99

Non-Contact Voltage Tester Pen - AC/DC 12-220V Detector -  Current Sensor - Safe Volt Detector for Outlets/Wires/Circuits. (cross head)
Available in additional 3 options
Price $9.90 Options from $9.90 – $11.99
Non-Contact Voltage Tester Pen - AC/DC 12-220V Detector - Current Sensor - Safe Volt Detector for Outlets/Wires/Circuits. (cross head)
3.8 out of 5 stars
3.8 out of 5 Stars. 8 reviews
Free shipping, arrives in 3+ days

Battery Tester, Universal Battery Checker Small Battery Testers for AAA AA C D 9V 1.5V Button Cell Household Batteries, 1 Pcs, 4.33x2.32x0.98", Price $6.49 + $0.59 shipping

Battery Tester, Universal Battery Checker Small Battery Testers for AAA AA C D 9V 1.5V Button Cell Household Batteries, 1 Pcs, 4.33x2.32x0.98"
Price $6.49 + $0.59 shipping
Battery Tester, Universal Battery Checker Small Battery Testers for AAA AA C D 9V 1.5V Button Cell Household Batteries, 1 Pcs, 4.33x2.32x0.98"
Shipping, arrives in 3+ days

BT-168 AA/AAA/C/D/9V/1.5V Batteries Universal Button Cell Battery Colour Coded Meter Indicate Volt Tester Checker BT168, Price $7.78

BT-168 AA/AAA/C/D/9V/1.5V Batteries Universal Button Cell Battery Colour Coded Meter Indicate Volt Tester Checker BT168
Price $7.78
BT-168 AA/AAA/C/D/9V/1.5V Batteries Universal Button Cell Battery Colour Coded Meter Indicate Volt Tester Checker BT168
4.7 out of 5 stars
4.7 out of 5 Stars. 3 reviews
Free shipping, arrives in 3+ days

GJX 2026 New Ac/Dc Voltage Detector Pen, Non-Contact Lcd Digital Tester, Electric Test Tool with Led Light, 12-250V Range for Automotive and Home Electrical Diagnostics, Battery Included, Price $6.97

GJX 2026 New Ac/Dc Voltage Detector Pen, Non-Contact Lcd Digital Tester, Electric Test Tool with Led Light, 12-250V Range for Automotive and Home Electrical Diagnostics, Battery Included
Price $6.97
GJX 2026 New Ac/Dc Voltage Detector Pen, Non-Contact Lcd Digital Tester, Electric Test Tool with Led Light, 12-250V Range for Automotive and Home Electrical Diagnostics, Battery Included
Free shipping, arrives in 3+ days

MILWAUKEE Voltage Detector With LED, Price $29.95

MILWAUKEE Voltage Detector With LED
Price $29.95
MILWAUKEE Voltage Detector With LED
Free shipping, arrives in 3+ days

Upgrade LED Lamp TV Backlight Tester Multipurpose LED Strips Beads Test Tool Measurement Instruments US Plug,1 * TV Backlight Tester,White, Price $16.89

Upgrade LED Lamp TV Backlight Tester Multipurpose LED Strips Beads Test Tool Measurement Instruments US Plug,1 * TV Backlight Tester,White
Price $16.89
Upgrade LED Lamp TV Backlight Tester Multipurpose LED Strips Beads Test Tool Measurement Instruments US Plug,1 * TV Backlight Tester,White
5 out of 5 stars
5 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

Voltage Tester, Non-Contact Voltage Detector, Electrical Tester, 3 Ranges AC 12V/48V/70V-1000V, Live/Null Wire Tester with Buzzer Alarm and Flashlight, Wire Breakpoint Finder - Orange, Price Now $8.98 Was $11.98

Voltage Tester, Non-Contact Voltage Detector, Electrical Tester, 3 Ranges AC 12V/48V/70V-1000V, Live/Null Wire Tester with Buzzer Alarm and Flashlight, Wire Breakpoint Finder - Orange
Price Now $8.98 Was $11.98
Voltage Tester, Non-Contact Voltage Detector, Electrical Tester, 3 Ranges AC 12V/48V/70V-1000V, Live/Null Wire Tester with Buzzer Alarm and Flashlight, Wire Breakpoint Finder - Orange
Free shipping, arrives in 3+ days

GJX 2026 New Ac 110V-300V 120V 230V Lcd Digital Voltmeter Plug-In Home Voltage Meter Monitor for Home, Office, Workshop, Kitchen, Garage, Price $7.56

GJX 2026 New Ac 110V-300V 120V 230V Lcd Digital Voltmeter Plug-In Home Voltage Meter Monitor for Home, Office, Workshop, Kitchen, Garage
Price $7.56
GJX 2026 New Ac 110V-300V 120V 230V Lcd Digital Voltmeter Plug-In Home Voltage Meter Monitor for Home, Office, Workshop, Kitchen, Garage
Free shipping, arrives in 3+ days

2 in 1 Digital Voltage Tester Pen, Non Contact AC Voltage Detector, Live Wire Detection with Sound Alarm, Continuity Test, NCV Sensor, Interchangeable Bits, Electrical Tester Tool, Price $6.39 + $6.99 shipping Options from $6.39 – $6.69

2 in 1 Digital Voltage Tester Pen, Non Contact AC Voltage Detector, Live Wire Detection with Sound Alarm, Continuity Test, NCV Sensor, Interchangeable Bits, Electrical Tester Tool
Black, variant on 2 in 1 Digital Voltage Tester Pen, Non Contact AC Voltage Detector, Live Wire Detection with Sound Alarm, Continuity Test, NCV Sensor, Interchangeable Bits, Electrical Tester Tool
Red, variant on 2 in 1 Digital Voltage Tester Pen, Non Contact AC Voltage Detector, Live Wire Detection with Sound Alarm, Continuity Test, NCV Sensor, Interchangeable Bits, Electrical Tester Tool
Price $6.39 + $6.99 shipping Options from $6.39 – $6.69
2 in 1 Digital Voltage Tester Pen, Non Contact AC Voltage Detector, Live Wire Detection with Sound Alarm, Continuity Test, NCV Sensor, Interchangeable Bits, Electrical Tester Tool
Shipping, arrives in 3+ days

8-80V Dc Battery Load Tester And Power Meter With Lcd For Ev Scooter E-Bike Solar System Monitoring For Xt60Xt90 For Anderson, Price Now $18.29 Was $22.29 + $7.99 shipping

8-80V Dc Battery Load Tester And Power Meter With Lcd For Ev Scooter E-Bike Solar System Monitoring For Xt60Xt90 For Anderson
Price Now $18.29 Was $22.29 + $7.99 shipping
8-80V Dc Battery Load Tester And Power Meter With Lcd For Ev Scooter E-Bike Solar System Monitoring For Xt60Xt90 For Anderson
Shipping, arrives in 3+ days

Klein Tools NCVT-3 Non-Contact Voltage Tester Flashlight, Price $26.65

Klein Tools NCVT-3 Non-Contact Voltage Tester Flashlight
Price $26.65
Klein Tools NCVT-3 Non-Contact Voltage Tester Flashlight
3.7 out of 5 stars
3.7 out of 5 Stars. 40 reviews
Free shipping, arrives in 3+ days

Klein Tools Non-Contact Voltage Tester Pen With Laser Distance Meter, 12 To 1000V Ac, Price $54.97

Klein Tools Non-Contact Voltage Tester Pen With Laser Distance Meter, 12 To 1000V Ac
Price $54.97
Klein Tools Non-Contact Voltage Tester Pen With Laser Distance Meter, 12 To 1000V Ac
4.4 out of 5 stars
4.4 out of 5 Stars. 7 reviews
Free shipping, arrives in 3+ days

Zuomeng WiFi Electricity Usage Monitor, Plug-in Power Meter, Sound Alarm, for Refrigerator & Appliance, 1 Pack, Price $24.99

Zuomeng WiFi Electricity Usage Monitor, Plug-in Power Meter, Sound Alarm, for Refrigerator & Appliance, 1 Pack
Price $24.99
Zuomeng WiFi Electricity Usage Monitor, Plug-in Power Meter, Sound Alarm, for Refrigerator & Appliance, 1 Pack
4 out of 5 stars
4 out of 5 Stars. 3 reviews
Free shipping, arrives in 3+ days

Astatic Pdc-7 Compact Swr Meter, Price $23.56

Astatic Pdc-7 Compact Swr Meter
Price $23.56
Astatic Pdc-7 Compact Swr Meter
3.9 out of 5 stars
3.9 out of 5 Stars. 16 reviews
Save withWalmart plus
Shipping, arrives in 3+ days

Deal, Battery Tester, Universal Digital Battery Checker, Small Battery Testers for AAA AA C D 9V 1.5V Button Cell Household Batteries Model BT-168, Price $6.39 Was $7.99

Deal
Battery Tester, Universal Digital Battery Checker, Small Battery Testers for AAA AA C D 9V 1.5V Button Cell Household Batteries Model BT-168
Price $6.39 Was $7.99
Battery Tester, Universal Digital Battery Checker, Small Battery Testers for AAA AA C D 9V 1.5V Button Cell Household Batteries Model BT-168
4.5 out of 5 stars
4.5 out of 5 Stars. 2 reviews
Out of stock

About Electronic Testers for Home Electrical Projects - Walmart.com

Test electronic tools help you check outlets, trace wires, and confirm voltage before installation work starts. This category includes handheld options for DIY tasks and trade use. You’ll find compact pen testers, clamp meters, multimeters, and circuit finders built for electrical troubleshooting. Clear displays, audible alerts, and CAT ratings make comparisons easier when accuracy matters. If youu're replacing switches, adding fixtures, or diagnosing a dead outlet, the right tester keeps your project moving with fewer guesses.

Why test electronic tools matter

An electric tester gives you fast confirmation during wiring jobs. That means less trial and error when circuits, outlets, or breakers need attention.

Different tester styles match different tasks. A non-contact voltage tester checks live wires quickly, while a multimeter measures voltage, resistance, and continuity.

For panel work, outlet checks, and cable tracing, category-specific tools make a real difference. Circuit finders help identify breakers, and clamp meters read current without disconnecting conductors.

  • Check receptacles, switches, and light fixtures with clear voltage readings.
  • Trace circuits and identify breakers during remodels and service calls.
  • Verify wire continuity before connecting devices or replacing parts.
  • Choose compact testers for tool bags or larger meters for bench work.

Many shoppers want simple operation first. Features like backlit screens, color-coded leads, and one-button modes support quick setup on common household projects.

How to choose an electric tester

Start with the kind of work you do most. Basic voltage pens suit quick checks, while a full electrical tester covers wider measurement needs.

CAT ratings matter for the environment where you test. CAT III and CAT IV options are designed for higher-energy locations like panels and service entries.

Display style affects readability. Digital screens show exact numbers, while indicator lights and beeps give instant status during fast inspections.

Lead quality also shapes daily use. Shrouded probes, durable insulation, and flexible cords support repeated testing around outlets, junction boxes, and breaker panels.

A power tester may include continuity and polarity functions for more detailed checks. Some models add auto-ranging, hold buttons, or integrated flashlight features.

If you handle appliance cords, extension runs, or unknown conductors, a wire tester helps confirm connections. That’s especially useful during rewiring and fixture replacement.

Professionals often look for rugged housings and protective holsters. DIY shoppers may prefer compact tools with straightforward icons and fewer measurement settings.

Common projects and testing tasks

During outlet replacement, an electricity tester helps confirm power status before you remove the faceplate. It also helps verify the new device is connected correctly.

When a room loses power, a current tester or clamp meter can help narrow the issue. You can compare readings across circuits and isolate the affected line.

Lighting updates often call for a quick electric checker. It helps confirm switched legs, fixture leads, and ceiling box connections during installation.

For renovations, circuit tracers simplify panel mapping. They help match unknown breakers to outlets, switches, and branch circuits across finished rooms.

Automotive and low-voltage tasks may call for compact multimeters with resistance and continuity modes. Household users often choose them for thermostat wires and doorbell circuits.

Some shoppers need testers for workshops and garages. In those spaces, clamp meters and multimeters help check motors, power tools, and extension cord output.

Others want a grab-and-go option for everyday electrical checks. Pen-style testers fit easily in pockets and work well for quick inspections before repairs.

What experienced buyers look for

Experienced buyers compare measurement range, response speed, and display clarity first. They also check whether the tester matches residential, commercial, or mixed-use work.

Build details matter over time. Rubber overmolds, sturdy battery doors, and reliable probe storage support frequent transport between rooms and job sites.

Accessory kits can add flexibility. Cases, alligator clips, temperature probes, and extra leads expand how a meter works across different testing situations.

Brand lineup matters too. Some shoppers prefer a simple voltage pen, while others want a meter family that shares leads, clamps, and accessories.

Choosing the right test electronic option means matching the tool to the circuit, setting, and project pace. That leads to cleaner diagnostics and more confident installation work.

FAQ

What does an electrical tester actually do?

An electrical tester helps you check for the presence of voltage, continuity, or current in electrical circuits and devices. These handy tools can alert you if a wire is live, help you troubleshoot outlets, or verify if batteries and fuses are working.

  • Non-contact voltage testers let you detect voltage without touching wires directly.
  • Multimeters offer more functions, like measuring voltage, current, and resistance.
  • Battery testers check the charge level of household and automotive batteries.
Using the right tester can make electrical work safer and more efficient for both DIYers and professionals.

How do I pick the right electric tester?

Choosing the right electric tester depends on what you need to check.

  • If you want to quickly see if an outlet or wire is live, a non-contact voltage tester is simple and safe.
  • For more detailed troubleshooting, a digital multimeter can measure voltage, current, and resistance.
  • Battery testers are great for checking household or automotive batteries.
Think about the types of projects you’ll tackle and look for features like digital displays, audible alerts, or compact designs. Always check the voltage range to match your needs.

Are electronic testers easy to use for beginners?

Many electronic testers are designed with beginners in mind. Non-contact voltage testers and basic battery checkers are especially user-friendly—just follow the instructions and look for indicator lights or sounds. Digital multimeters can be a bit more complex, but most come with clear guides and labeled settings.

  • Start with simple tests, like checking if an outlet is live or if a battery has power.
  • Always read the safety instructions before use.
With a little practice, most people can confidently use these tools for basic electrical checks.

Can I use an electrical tester on car batteries?

Yes, certain electrical testers are made for automotive use. Battery testers and some digital multimeters can check the voltage and health of car batteries.

  • Make sure the tester supports the voltage range of your vehicle’s battery.
  • Follow the instructions for safe connection—usually, you’ll attach the tester’s leads to the battery terminals.
  • Some testers also check charging and cranking systems in cars, motorcycles, or trucks.
Always use caution around car batteries and wear protective gear if recommended.

What safety tips should I know before using a tester?

Safety is key when working with electricity. Here are a few tips:

  • Always read the manual before using any tester.
  • Make sure your hands are dry and you’re standing on a non-conductive surface.
  • Double-check that the tester is rated for the voltage you’ll be checking.
  • Don’t touch exposed wires or metal parts while testing.
  • Store testers in a dry place and check them regularly for damage.
Taking these steps can help you use electronic testers more safely and confidently.