Watt Box(33)
Uses item details. Price when purchased online
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
Reduced price Electricity saving box,2025 Power-Saver-Pro Esaverwatt Elon-Musk Energy Saving Device Stop-Watt, Energy-Conservation Device Stabilizes Volts Reduces Energy-Costs Us Plug 90v-250v 30KW 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 Us Plug 90v-250v 30KW
194.4 out of 5 Stars. 19 reviews
Reliance PBN50 50-Amp 12,500-Watt Non-Metallic Power Inlet Box $83.88

$8388
current price $83.88Reliance 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
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
Connecticut Electric 30-Amp Power Inlet Box with Hinged Door, NEMA 3R Power Inlet Box, Generators Up to 7,500 Running Watts, ETL Listed

Connecticut Electric 30-Amp Power Inlet Box with Hinged Door, NEMA 3R Power Inlet Box, Generators Up to 7,500 Running Watts, ETL Listed
15 out of 5 Stars. 1 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 $45.35

$4535
current price $45.35Riousery 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
DEWENWILS Outdoor Outlet Box with 20 AMP WRTR GFCI Receptacles, Countdown Function & 4/8 Hrs Cycle, 125V/2500W, 1/2hp Rainproof 3R Enclosure, Outdoor Electrical Outlet Box for Decor, Yard $42.99

$4299
current price $42.99DEWENWILS Outdoor Outlet Box with 20 AMP WRTR GFCI Receptacles, Countdown Function & 4/8 Hrs Cycle, 125V/2500W, 1/2hp Rainproof 3R Enclosure, Outdoor Electrical Outlet Box for Decor, Yard
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
Reduced price Zxpjkyu Power Distribution Box 12V DC with 4 x , 6 x USB & 2 x 12V Sockets Quick Charger Power Box Was $126.99

Zxpjkyu Power Distribution Box 12V DC with 4 x , 6 x USB & 2 x 12V Sockets Quick Charger Power Box
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
Square D HOM120DF Circuit Breaker Box, 120 V $122.08

$12208
current price $122.08Square D HOM120DF Circuit Breaker Box, 120 V
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
PV Solar Panel Panel Junction Box 60W-1500W IP67 for PV Solar System $7.42

$742
current price $7.42PV Solar Panel Panel Junction Box 60W-1500W IP67 for PV Solar System
Kason - 11801000013 - Junction Box Assy $63.11

$6311
current price $63.11Kason - 11801000013 - Junction Box Assy
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
SLANT MTL ENCL 8 in.4W TRANS with VR $79.39

$7939
current price $79.39SLANT MTL ENCL 8 in.4W TRANS with VR
Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray $56.47

$5647
current price $56.47Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray
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 $57.56

$5756
current price $57.56Nieyigj 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
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
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 2Pcs White IP65 Rated Distribution Box with Breaker Protection for Charging Stations $20.45

$2045
current price $20.45YSNOOWE 2Pcs White IP65 Rated Distribution Box with Breaker Protection for 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
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
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)
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
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

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
Reliance Controls Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray CA2

Reliance Controls Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box, Gray CA2
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
PAWIC King Electric Recess Wall Can

PAWIC King Electric Recess Wall Can
Other options to consider(46)
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
1274.7 out of 5 Stars. 127 reviews
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
Prime Powerweb Worksite Electrical Box $124.99

$12499
current price $124.99Prime Powerweb Worksite Electrical Box
TIMEGUARD - Weatherproof Electrical Box, 2x 13A Sockets IP66 $78.95

$7895
current price $78.95TIMEGUARD - 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
Icc Ic107Sb4Wh Surface Box, 4 Port White $13.85

$1385
current price $13.85Icc Ic107Sb4Wh Surface Box, 4 Port White
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