Watt Box(34)
Uses item details. Price when purchased online
30 Amp Power Inlet Box, Briidea NEMA 3R Generator Inlet Box with 5 Preserved Holes, NEMA L14-30P, 125/250 Volt, 7500 Watts Generator Transfer Switch $29.99 Was $35.99
Sponsored
Now$2999
current price Now $29.99, Was $35.99$35.99
30 Amp Power Inlet Box, Briidea NEMA 3R Generator Inlet Box with 5 Preserved Holes, NEMA L14-30P, 125/250 Volt, 7500 Watts Generator Transfer Switch
54.6 out of 5 Stars. 5 reviews
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30A/50A Power Inlet Box for Generator, Journeyman-Pro ETL Listed, w/Waterproof Cover,L5-30P,TT-30P,L14-30P,SS-2-50P | 30 or 50 Amp 125/250V | for 3 or 4 Prong Extension Cord (TT-30P - Black) From $49.99
Sponsored
From$4999
30A/50A Power Inlet Box for Generator, Journeyman-Pro ETL Listed, w/Waterproof Cover,L5-30P,TT-30P,L14-30P,SS-2-50P | 30 or 50 Amp 125/250V | for 3 or 4 Prong Extension Cord (TT-30P - Black)
45 out of 5 Stars. 4 reviews
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Best seller Electricity saving box, 2025 Power-Saver-Pro Esaverwatt Elon-Musk Energy Saving Device Stop-Watt, Energy-Conservation Device Stabilizes Volts Reduces Energy-Costs By Akifronte From $8.99
3 options
Available in additional 3 optionsFrom$899
Electricity saving box, 2025 Power-Saver-Pro Esaverwatt Elon-Musk Energy Saving Device Stop-Watt, Energy-Conservation Device Stabilizes Volts Reduces Energy-Costs By Akifronte
214.4 out of 5 Stars. 21 reviews
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Connecticut Electric 30-Amp Power Inlet Box with Hinged Door, NEMA 3R Power Inlet Box, Generators Up to 7,500 Running Watts, ETL Listed $48.99
$4899
current price $48.99Connecticut Electric 30-Amp Power Inlet Box with Hinged Door, NEMA 3R Power Inlet Box, Generators Up to 7,500 Running Watts, ETL Listed
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Reliance PB20 5,00-Watt 120/240-Volt 20-Amp Non-Metallic Power Inlet Box $32.10 Was $54.68
Now$3210
current price Now $32.10, Was $54.68$54.68
Reliance PB20 5,00-Watt 120/240-Volt 20-Amp Non-Metallic Power Inlet Box
Reliance PBN50 50-Amp 12,500-Watt Non-Metallic Power Inlet Box $83.94
$8394
current price $83.94Reliance PBN50 50-Amp 12,500-Watt Non-Metallic Power Inlet Box
174.2 out of 5 Stars. 17 reviews
Energy Saving Device Power Saving Box Pro, 2026 New Professional Home Energy Saver Watt Stop Electricity Stabilizer with Capacitor System for Household Appliances, Fireproof & Leakage-Proof, 1PC
Energy Saving Device Power Saving Box Pro, 2026 New Professional Home Energy Saver Watt Stop Electricity Stabilizer with Capacitor System for Household Appliances, Fireproof & Leakage-Proof, 1PC
15 out of 5 Stars. 1 reviews
Reliance PB30 7,500-Watt 120/240-Volt 30-Amp Non-Metallic Power Inlet Box $59.99
$5999
current price $59.99Reliance PB30 7,500-Watt 120/240-Volt 30-Amp Non-Metallic Power Inlet Box
484.8 out of 5 Stars. 48 reviews
Jesco Lighting - Accessory - 24V 20W Hardwire Power Supply Junction Box with $59.81
$5981
current price $59.81Jesco Lighting - Accessory - 24V 20W Hardwire Power Supply Junction Box with
Reliance MB60 15000 Watts Meter Box Transfer Switch Accessory $104.40
$10440
current price $104.40Reliance MB60 15000 Watts Meter Box Transfer Switch Accessory
43 out of 5 Stars. 4 reviews
Riousery Portable Outdoor Power Distribution Box Industrial Waterproof Electrical Breaker Socket Box IP44-67 220V, 6.89 x 4.92 x 2.95 in / 175 x 125 x 75 mm $44.73
$4473
current price $44.73Riousery Portable Outdoor Power Distribution Box Industrial Waterproof Electrical Breaker Socket Box IP44-67 220V, 6.89 x 4.92 x 2.95 in / 175 x 125 x 75 mm
LifeSafety Power FPO75-B100C4PE1M MCLASS Unified Power System 75W, 12/24VDC, 2 Doors, 4 Lock Class, 2 Outputs $524.77
$52477
current price $524.77LifeSafety Power FPO75-B100C4PE1M MCLASS Unified Power System 75W, 12/24VDC, 2 Doors, 4 Lock Class, 2 Outputs
30 Amp Power Inlet Box, Briidea NEMA 3R Generator Inlet Box with 5 Preserved Holes, NEMA L14-30P, 125/250 Volt, 7500 Watts Generator Transfer Switch $29.99 Was $35.99
Now$2999
current price Now $29.99, Was $35.99$35.99
30 Amp Power Inlet Box, Briidea NEMA 3R Generator Inlet Box with 5 Preserved Holes, NEMA L14-30P, 125/250 Volt, 7500 Watts Generator Transfer Switch
54.6 out of 5 Stars. 5 reviews
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Square D HOM120DF Circuit Breaker Box, 120 V $122.08
$12208
current price $122.08Square D HOM120DF Circuit Breaker Box, 120 V
Portable Plug-In Power Box with US Plug, Wide Voltage 90-250V Compatibility, 2026 Improved Design for Home, Office and Travel Electronics From $13.85
From$1385
Portable Plug-In Power Box with US Plug, Wide Voltage 90-250V Compatibility, 2026 Improved Design for Home, Office and Travel Electronics
Reliance Controls Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray CA2 $80.11
$8011
current price $80.11Reliance Controls Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray CA2
Ip67 Pv Solar Panel Single Hole Junction Box 30W Photovoltaic Solar System $8.79
$879
current price $8.79Ip67 Pv Solar Panel Single Hole Junction Box 30W Photovoltaic Solar System
Reliance Controls Non-Metallic Power Inlet Box,Amps 30 PBN30 $70.96
$7096
current price $70.96Reliance Controls Non-Metallic Power Inlet Box,Amps 30 PBN30
SLANT MTL ENCL 8 in.4W TRANS with VR $79.39
$7939
current price $79.39SLANT MTL ENCL 8 in.4W TRANS with VR
Kason - 11801000013 - Junction Box Assy $63.11
$6311
current price $63.11Kason - 11801000013 - Junction Box Assy
Universal Plug-In Power Box with US Plug, 90-250V Wide Voltage Compatibility, 2026 Enhanced Design for Home Electronics and Travel Use From $13.82
From$1382
Universal Plug-In Power Box with US Plug, 90-250V Wide Voltage Compatibility, 2026 Enhanced Design for Home Electronics and Travel Use
Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray $75.49
$7549
current price $75.49Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray
BIMZUC 50A Generator Power Inlet Box, Weatherproof NEMA 3R Power Input Box for Outdoor Socket, 12500W 125V/250V AC Aluminum Alloy Electrical Inlet Box Compatible with RM50PB CS6375, 21x14x12 in $66.09
$6609
current price $66.09BIMZUC 50A Generator Power Inlet Box, Weatherproof NEMA 3R Power Input Box for Outdoor Socket, 12500W 125V/250V AC Aluminum Alloy Electrical Inlet Box Compatible with RM50PB CS6375, 21x14x12 in
BIMZUC Electronic Junction Box Switching Power Supply Distribution Protection Waterproof ABS 8 Way 7.48 inches / 19 cm $18.93
$1893
current price $18.93BIMZUC Electronic Junction Box Switching Power Supply Distribution Protection Waterproof ABS 8 Way 7.48 inches / 19 cm
Wall Socket Outdoor Waterproof Power Box 250V 16A with 40A RCD $56.77
$5677
current price $56.77Wall Socket Outdoor Waterproof Power Box 250V 16A with 40A RCD
Square D Panelboard Encl/Box Type 3R/12 26H 20W MH26WP $1,472.62
$1,47262
current price $1,472.62Square D Panelboard Encl/Box Type 3R/12 26H 20W MH26WP
Stopwatt Energy Saving Device,Electricity Saving Box, Energy Saving Plug for Home & Office, Power Efficiency Plug, US Plug 90V-250V 30KW(2PCS) From $13.99
4 options
Available in additional 4 optionsFrom$1399
Stopwatt Energy Saving Device,Electricity Saving Box, Energy Saving Plug for Home & Office, Power Efficiency Plug, US Plug 90V-250V 30KW(2PCS)
Generac 6340 30 Amp Electrical Power Input Inlet Plug In Box with Lid $59.99
$5999
current price $59.99Generac 6340 30 Amp Electrical Power Input Inlet Plug In Box with Lid
34 out of 5 Stars. 3 reviews
30A/50A Power Inlet Box for Generator, Journeyman-Pro ETL Listed, w/Waterproof Cover,L5-30P,TT-30P,L14-30P,SS-2-50P | 30 or 50 Amp 125/250V | for 3 or 4 Prong Extension Cord (TT-30P - Black) From $49.99
4 options
Available in additional 4 optionsFrom$4999
30A/50A Power Inlet Box for Generator, Journeyman-Pro ETL Listed, w/Waterproof Cover,L5-30P,TT-30P,L14-30P,SS-2-50P | 30 or 50 Amp 125/250V | for 3 or 4 Prong Extension Cord (TT-30P - Black)
45 out of 5 Stars. 4 reviews
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OSD Outdoor 300W Volume Control, Resistor-Based, Weather Resistant Enclosure, OVC305R, White $54.99
$5499
current price $54.99OSD Outdoor 300W Volume Control, Resistor-Based, Weather Resistant Enclosure, OVC305R, White
Mavrik Light Fixture w/ Junction Box $48.25
$4825
current price $48.25Mavrik Light Fixture w/ Junction Box
XUBIYM Power Box Device Us Plug Stop Watt Power Factor for Home and Office 6 Pack (6 Packs) $11.28
$1128
current price $11.28XUBIYM Power Box Device Us Plug Stop Watt Power Factor for Home and Office 6 Pack (6 Packs)
Reliance PBN20 20 Amp NEMA 3R PBN Series Non-Metallic Power Inlet Box
Reliance PBN20 20 Amp NEMA 3R PBN Series Non-Metallic Power Inlet Box
24.5 out of 5 Stars. 2 reviews
50 Amp Manual Transfer Switch Kit 10 Circuit Prewired with CS6375 Plug Power Inlet Box Double Throw Switch NEMA 3R Mechanical Watt Meter for 12500W Generators
50 Amp Manual Transfer Switch Kit 10 Circuit Prewired with CS6375 Plug Power Inlet Box Double Throw Switch NEMA 3R Mechanical Watt Meter for 12500W Generators
Other options to consider(48)
Best seller Hyper Tough PVC One-gang Box Receptacle Switch/Outlet Electrical Box TD35071Z, 4.25 in X 2.75 in X 2.25 in From $2.24
2 options
Available in additional 2 optionsFrom$224
Hyper Tough PVC One-gang Box Receptacle Switch/Outlet Electrical Box TD35071Z, 4.25 in X 2.75 in X 2.25 in
1284.7 out of 5 Stars. 128 reviews
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Prime Powerweb Worksite Electrical Box $124.99
$12499
current price $124.99Prime Powerweb Worksite Electrical Box
1-Gang PVC New Work Outlet Box,18 Cubic Inch Switch Box,New Work Electrical Nail Outlet Box,ETL Listed to UL514C and UL263,AWG for 9/14,8/12,7/10(1Pack) From $5.89
From$589
1-Gang PVC New Work Outlet Box,18 Cubic Inch Switch Box,New Work Electrical Nail Outlet Box,ETL Listed to UL514C and UL263,AWG for 9/14,8/12,7/10(1Pack)
24.5 out of 5 Stars. 2 reviews
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BIMZUC Outdoor Waterproof Junction Box Security Power Supply Case Electrical Enclosure 7.87 x 4.72 x 2.17 inches / 200 x 120 x 55 mm IP65 Weatherproof Box $13.94
$1394
current price $13.94BIMZUC Outdoor Waterproof Junction Box Security Power Supply Case Electrical Enclosure 7.87 x 4.72 x 2.17 inches / 200 x 120 x 55 mm IP65 Weatherproof Box
YSNOOWE Waterproof Plastic Distribution Box with Transparent Window for Circuit Breakers and Charging Stations, White $20.45
$2045
current price $20.45YSNOOWE Waterproof Plastic Distribution Box with Transparent Window for Circuit Breakers and Charging Stations, White
HT-2 IP65 Waterproof Distribution Breaker Box Panel Installation 2 WAY PC Outdoor Electrical MCB Solar Junction Box $7.99 Was $9.68
Now$799
current price Now $7.99, Was $9.68$9.68
HT-2 IP65 Waterproof Distribution Breaker Box Panel Installation 2 WAY PC Outdoor Electrical MCB Solar Junction Box
Icc Ic107Sb4Wh Surface Box, 4 Port White $13.85
$1385
current price $13.85Icc Ic107Sb4Wh Surface Box, 4 Port White
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