Watt Box(32)
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 $11.00

3 options
Available in additional 3 optionsFrom$1100
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
204.4 out of 5 Stars. 20 reviews
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Reliance PBN50 50-Amp 12,500-Watt Non-Metallic Power Inlet Box $84.79

$8479
current price $84.79Reliance PBN50 50-Amp 12,500-Watt Non-Metallic Power Inlet Box
174.2 out of 5 Stars. 17 reviews
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
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 $56.70

$5670
current price $56.70Reliance 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 $58.33

$5833
current price $58.33Jesco Lighting - Accessory - 24V 20W Hardwire Power Supply Junction Box with
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
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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LifeSafety Power FPO75-B100C4PE1M MCLASS Unified Power System 75W, 12/24VDC, 2 Doors, 4 Lock Class, 2 Outputs $522.77

$52277
current price $522.77LifeSafety 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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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
Ip67 Pv Solar Panel Single Hole Junction Box 30W Photovoltaic Solar System $5.99 Was $8.79

Now$599
current price Now $5.99, Was $8.79$8.79
Ip67 Pv Solar Panel Single Hole Junction Box 30W Photovoltaic Solar System
Reliance Controls Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray CA2 $76.10

$7610
current price $76.10Reliance Controls Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray CA2
Square D HOM120DF Circuit Breaker Box, 120 V $122.08

$12208
current price $122.08Square D HOM120DF Circuit Breaker Box, 120 V
Reliance Controls Non-Metallic Power Inlet Box,Amps 30 PBN30 $70.95

$7095
current price $70.95Reliance Controls Non-Metallic Power Inlet Box,Amps 30 PBN30
Reliance PBN20 20 Amp NEMA 3R PBN Series Non-Metallic Power Inlet Box $61.20

$6120
current price $61.20Reliance PBN20 20 Amp NEMA 3R PBN Series Non-Metallic Power Inlet Box
24.5 out of 5 Stars. 2 reviews
SLANT MTL ENCL 8 in.4W TRANS with VR $76.30

$7630
current price $76.30SLANT MTL ENCL 8 in.4W TRANS with VR
Kason - 11801000013 - Junction Box Assy $63.11

$6311
current price $63.11Kason - 11801000013 - Junction Box Assy
Nieyigj IP66 Water Proof Power Distribution Box with Indicator Light, 8 Way Outdoor Circuit Breaker Enclosure Box, Plastic Panel 7.9 x 3.9 x 7.9 inches $56.70

$5670
current price $56.70Nieyigj IP66 Water Proof Power Distribution Box with Indicator Light, 8 Way Outdoor Circuit Breaker Enclosure Box, Plastic Panel 7.9 x 3.9 x 7.9 inches
Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray $69.07

$6907
current price $69.07Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray
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
Square D Panelboard Encl/Box Type 3R/12 26H 20W MH26WP $1,495.98

$1,49598
current price $1,495.98Square D Panelboard Encl/Box Type 3R/12 26H 20W MH26WP
YSNOOWE 2-Pack White IP65 Distribution Box with for EV Charging Stations $20.45

$2045
current price $20.45YSNOOWE 2-Pack White IP65 Distribution Box with for EV Charging Stations
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
Stopwatt Energy Saving Device,Electricity Saving Box, Energy Saving Plug for Home & Office, Power Efficiency Plug, US Plug 90V-250V 30KW(1PC) 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(1PC)
Reliance PB20 5,00-Watt 120/240-Volt 20-Amp Non-Metallic Power Inlet Box $54.69

$5469
current price $54.69Reliance PB20 5,00-Watt 120/240-Volt 20-Amp Non-Metallic Power Inlet Box
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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Mavrik Light Fixture w/ Junction Box $48.25

$4825
current price $48.25Mavrik Light Fixture w/ Junction Box
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
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(52)
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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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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Prime Powerweb Worksite Electrical Box $124.99

$12499
current price $124.99Prime Powerweb Worksite Electrical Box
TIMEGUARD - Weatherproof Electrical Box, 2x 13A Sockets IP66 $79.95

$7995
current price $79.95TIMEGUARD - Weatherproof Electrical Box, 2x 13A Sockets IP66
Sportsman Series 50 Amp Generator Power Inlet Box $60.87

$6087
current price $60.87Sportsman Series 50 Amp Generator Power Inlet Box
HT-2 IP65 Waterproof Distribution Breaker Box Panel Installation 2 WAY PC Outdoor Electrical MCB Solar Junction Box $10.61

$1061
current price $10.61HT-2 IP65 Waterproof Distribution Breaker Box Panel Installation 2 WAY PC Outdoor Electrical MCB Solar Junction Box
Clearance SEWOART Versatile White Weatherproof Switch Box Compatible with Us Standard Outlets and Switches $5.70 Was $7.39

Now$570
current price Now $5.70, Was $7.39$7.39
SEWOART Versatile White Weatherproof Switch Box Compatible with Us Standard Outlets and Switches
Generac 6338 50-Amp 4-Wire 125/250V Raintight Non-Metallic Power Inlet Box $82.27

$8227
current price $82.27Generac 6338 50-Amp 4-Wire 125/250V Raintight Non-Metallic Power Inlet Box
15 out of 5 Stars. 1 reviews
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