How to find the best inlet box for 2022?

We spent many hours on research to finding inlet box, reading product features, product specifications for this guide. For those of you who wish to the best inlet box, you should not miss this article. inlet box coming in a variety of types but also different price range. The following is the top 10 inlet box by our suggestions:

Product Features Editor's score Go to site
Reliance Controls Corporation PB30 30-Amp NEMA 3R Power Inlet Box for Generators Up to 7,500 Running Watts Reliance Controls Corporation PB30 30-Amp NEMA 3R Power Inlet Box for Generators Up to 7,500 Running Watts
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Reliance Controls Corporation PB50 50-Amp NEMA 3R Power Inlet Box, 50-Amp for Generators Up to 12,500 Running Watts Reliance Controls Corporation PB50 50-Amp NEMA 3R Power Inlet Box, 50-Amp for Generators Up to 12,500 Running Watts
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Connecticut Electric EGSPI50 50A Rainproof Generator Power Inlet Box with Cover, Gray Connecticut Electric EGSPI50 50A Rainproof Generator Power Inlet Box with Cover, Gray
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30 Amp Generator Inlet Box, AI-PB30 Power Cord Twist Lock Receptacle for Transfer Switches. Indoor/Outdoor Rated + 6 Knockouts and Deeper Wiring Depth for Easier Install. cUL Listed Flanged L14-30 30 Amp Generator Inlet Box, AI-PB30 Power Cord Twist Lock Receptacle for Transfer Switches. Indoor/Outdoor Rated + 6 Knockouts and Deeper Wiring Depth for Easier Install. cUL Listed Flanged L14-30
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Conntek 80SS2-GYBX 50 Amps 125/250 Volts Power Inlet Box, For Generators Up to 12,500 Watts, Grey Cap Conntek 80SS2-GYBX 50 Amps 125/250 Volts Power Inlet Box, For Generators Up to 12,500 Watts, Grey Cap
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Reliance Controls Corporation PBN50 50-Amp NEMA 3R CS6375 Power Inlet Box for Generators Up to 12,500 Running Watts Reliance Controls Corporation PBN50 50-Amp NEMA 3R CS6375 Power Inlet Box for Generators Up to 12,500 Running Watts
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uxcell 130mmx80mmx70mm 1 Inlet to 2 Outlet Dustproof IP65 Junction Box w Connector Gland uxcell 130mmx80mmx70mm 1 Inlet to 2 Outlet Dustproof IP65 Junction Box w Connector Gland
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Conntek GIB1450-025 Duo-Rain Seal 50Amp Power Inlet Box and Temp Power Cord Combo Kit, 25 Feet Conntek GIB1450-025 Duo-Rain Seal 50Amp Power Inlet Box and Temp Power Cord Combo Kit, 25 Feet
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Reliance Controls Corporation PB20 20-Amp NEMA 3R Power Inlet Box for Generators Up to 5,000 Running Watts Reliance Controls Corporation PB20 20-Amp NEMA 3R Power Inlet Box for Generators Up to 5,000 Running Watts
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Generac 6340 30-Amp 125/250V Raintight Power Inlet Box with Spring-Loaded Flip Lid Generac 6340 30-Amp 125/250V Raintight Power Inlet Box with Spring-Loaded Flip Lid
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Reviews

1. Reliance Controls Corporation PB30 30-Amp NEMA 3R Power Inlet Box for Generators Up to 7,500 Running Watts

Feature

For indoor or outdoor use with specific transfer switches, manual transfer panels and generator-ready load centers
Outdoor, raintight NEMA 3R non-metallic power inlet box provides generous wiring space
Maximum generator running watts: 7,500
Maximum generator input: 30A @ 125/250 VAC
UL listed and comes with a 5-year product warranty

Description

The Reliance Controls PB30 NEMA 3R Power Inlet Box is an outdoor/watertight electrical inlet for a 30 Amp L14-30 generator cord. It is designed to be located outdoors where the generator is running to prevent dangerous carbon monoxide fumes from the generator from entering your house. This inlet box is then safely hardwired through an outside wall directly to the transfer switch or panel, eliminating the need for cords running through windows or doors. It is designed to be wired directly to the transfer switch or panel by using one of the four combination 1/2-inch and 3/4-inch knockouts (one on each side, bottom and back). The exclusive patented design provides generous wiring space and facilitates rough-in. The face of the box is removable for easy placement and wiring. It is constructed of steel with rugged, anti-corrosive powder-coat paint and has a spring-loaded inlet cap to prevent moisture front entering the connector inlet when not in use. Since 1909, Reliance Controls Corporation has contributed more innovations that any other single manufacturer and has been awarded over 85 patents on manual transfer switches, time switches and accessories. Reliance Controls Corporation specializes in the manufacturing of a wide variety of electrical products. The primary product line consists of heavy duty time clocks and controls, generator accessories, transfer switches and transfer panels for portable generators and inverters. And after over a century of innovation, Reliance Controls Corporation has built an enviable reputation for high quality, superior engineering and exceptional customer service.

2. Reliance Controls Corporation PB50 50-Amp NEMA 3R Power Inlet Box, 50-Amp for Generators Up to 12,500 Running Watts

Feature

For indoor or outdoor use with specific transfer switches, manual transfer panels and generator-ready load centers
Outdoor, raintight NEMA 3R non-metallic power inlet box
Maximum generator running watts: 12,500
Maximum generator input: 50A@125/250VAC
Intended for use with 8 AWG 75 degrees C insulated wire

Description

The Reliance Controls PB50 NEMA 3R Power Inlet Box is an outdoor/watertight electrical inlet for a 50 Amp CS6564 generator cord. It is designed to be located outdoors where the generator is running to prevent dangerous carbon monoxide fumes from the generator from entering your house. This inlet box is then safely hardwired through an outside wall directly to the transfer switch or panel, eliminating the need for cords running through windows or doors. It is designed to be wired directly to the transfer switch or panel by using one of the four combination 1/2-inch and 3/4-inch knockouts (one on each side, bottom and back). The exclusive patented design provides generous wiring space and facilitates rough-in. The face of the box is removable for easy placement and wiring. It is constructed of steel with rugged, anti-corrosive powder-coat paint and has a spring-loaded inlet cap to prevent moisture front entering the front-mounted connector inlet when not in use.. Since 1909, Reliance Controls Corporation has contributed more innovations that any other single manufacturer and has been awarded over 85 patents on manual transfer switches, time switches and accessories. Reliance Controls Corporation specializes in the manufacturing of a wide variety of electrical products. The primary product line consists of heavy duty time clocks and controls, generator accessories, transfer switches and transfer panels for portable generators and inverters. And after over a century of innovation, Reliance Controls Corporation has built an enviable reputation for high quality, superior engineering and exceptional customer service.

3. Connecticut Electric EGSPI50 50A Rainproof Generator Power Inlet Box with Cover, Gray

Feature

For use with EmerGen Switch Transfer Switches and matching Generator Receptacles
Rainproof generator power inlet box with cover
Complete with Pre-Wired Flanged Inlet Receptacle
Accepts Siemens HR Series Conduit Hubs
Listed to UL-1008 requirements

Description

Connecticut Electric 50A Rainproof Generator Power Inlet Box with Cover. For use with EmerGen Switch Transfer Switches and matching Generator Receptacles. Rainproof generator power inlet box with cover. Complete with Pre-Wired Flanged Inlet Receptacle. Accepts Siemens HR Series Conduit Hubs. Listed to UL-1008 requirements. All steel construction. Califirnia Standard CS6375, 50 Amp Inlet.

4. 30 Amp Generator Inlet Box, AI-PB30 Power Cord Twist Lock Receptacle for Transfer Switches. Indoor/Outdoor Rated + 6 Knockouts and Deeper Wiring Depth for Easier Install. cUL Listed Flanged L14-30

Feature

GREAT FOR INDOOR AND OUTDOOR USE WITH OUR WATERPROOF COVER AND IP68 WATERPROOF BOX WITH KNOCKOUTS ON ALL SIDES!
UL LISTED JOURNEYMAN*PRO L14-30 NEMA PLUG
PROVIDES GREAT CAPACITY WITH MAX 7500 WATTS AND 30A @120/250 VAC
COMES WITH A LIFETIME WARRANTY AND ADDED MOUNTING WOOD SCREWS 1 1/2"
BOX IS LARGE ENOUGH TO FIT WIRES WITH A GREAT DEPTH OF 3.5" NO FUSS TO FIT LARGE WIRES

Description

Arnberg Industries AIPB30

30A Electrical Connection Box for portable or whole house backup power generators. Perfect for RV hookup, and temporary use during emergencies. Wires directly to your main electric breaker panel.

Features:

Deeper Box - 3.5" inch Deep, More room to make wiring easier! (overall size is 5.5"x5.5"x3.5")

(6) Knock-outs in total more options for install!

IP68 Waterproof box with Brass inserts & Rubber seal

cUL Listed Flanged Inlet with rubber flip cover (L14-20 or L14-30)

Includes mounting screws & wiring instructions.

Satisfaction Lifetime Guarantee

Specifications:

L14-20 Spec: 3750 Watts - 20A @ 120/250 VAC

L14-30 Spec: 7500 Watts - 30A @ 120/250 VAC

Box Dimensions: 5.5"W x 5.5"L x 3.5"D

Includes Mounting Hardware (4 QTY #6x1.5" wood screws)

5. Conntek 80SS2-GYBX 50 Amps 125/250 Volts Power Inlet Box, For Generators Up to 12,500 Watts, Grey Cap

Feature

Configuration: NEMA CS6375 or SS2-50P
For Use With Generators Up to 12,500 Running Watts
4 Combination 1/2" & " knockouts
Grey Cap for Additional Personalization
Recommended Cord Series: TES1450, 1450SS2 & TE6381

Description

Power inlet boxes run power to critical electrical systems, while avoiding harmful exhaust fumes that a generator produces. Simply mount the box on the exterior of a home/business, and run the wiring to a transfer switch/box installation. When emergency power is needed, connect a generator cord to the inlet box, and flip the switch for the transfer unit. These boxes are equipped with a SS2-50 (CS6375) male configuration for large systems. We offer several different finishes of inlet boxes that are all corrosion resistant powder coated steel. Each inlet features a weather-sealing cap that closes tightly when not in use to keep the elements out. 1-Year Limited Warranty

6. Reliance Controls Corporation PBN50 50-Amp NEMA 3R CS6375 Power Inlet Box for Generators Up to 12,500 Running Watts

Feature

Outdoor, raintight NEMA 3R non-metallic power inlet box
Maximum generator running watts: 12,500
Maximum generator input: 50A @ 125/250 VAC
Patented design provides over 100 cubic inches of generous wiring space
Slide-out base allows easy access to flanged inlet

Description

The Reliance Controls PBN50 NEMA 3R Power Inlet Box is an outdoor/watertight electrical inlet for a 50 Amp CS6375 generator cord. It is designed to be located outdoors where the generator is running to prevent dangerous carbon monoxide fumes from the generator from entering your house. This inlet box is then safely hardwired through an outside wall directly to the transfer switch or panel, eliminating the need for cords running through windows or doors. It is designed to be wired directly to the transfer switch or panel by using one of the four reusable combination 1/2-inch and 3/4-inch knockouts (one on each side, bottom and back). The exclusive patented design provides generous wiring space and facilitates rough-in. The face of the box is removable for easy placement and wiring. It is constructed of heavy duty ABS plastic and has a spring-loaded inlet cap to prevent moisture front entering the bottom-mounted connector inlet when not in use.. Since 1909, Reliance Controls Corporation has contributed more innovations that any other single manufacturer and has been awarded over 85 patents on manual transfer switches, time switches and accessories. Reliance Controls Corporation specializes in the manufacturing of a wide variety of electrical products. The primary product line consists of heavy duty time clocks and controls, generator accessories, transfer switches and transfer panels for portable generators and inverters. And after over a century of innovation, Reliance Controls Corporation has built an enviable reputation for high quality, superior engineering and exceptional customer service.

7. uxcell 130mmx80mmx70mm 1 Inlet to 2 Outlet Dustproof IP65 Junction Box w Connector Gland

Feature

Country of Manufacture: CHINA; Material: Plastic,Metal; Net Weight: 274g
Package Content: 1 x Junction Box, Some Screws, Some Connector Glands; Main Color: Gray; Product Name: Junction Box
Outer Size: 130 x 80 x 70mm/5.2" x 3.2" x 2.8"(L*W*H); Inner Size(Approx.): 124 x 74 x 65mm/5" x 3" x 2.6"(L*W*H)
Screw Thread Dia.: 10mm/0.4"; Holes For Cable: 1 Inlet to 2 Outlet
Connector Gland Size: 28 x 40mm/1.1" x 1.6"(D*L); Ingress Protection Rating: IP65

Description

1.Weatherproof junction boxes, perfect for use outdoors,
2.Junction box means these are well protected from rain and water splash back, making them perfect for joining wires inside.
3.Easy to install and easy to use.
4.100% brand new and high quality.

Specificatios:
Product Name: Junction Box
Outer Size: 130 x 80 x 70mm(L*W*H)
Inner Size(Approx.): 124 x 74 x 65mm(L*W*H)
Main Color: GrayMain Material: Plastic

Package Include:1 x Junction Box
Some Spare Parts

8. Conntek GIB1450-025 Duo-Rain Seal 50Amp Power Inlet Box and Temp Power Cord Combo Kit, 25 Feet

Feature

Temp Power Cord: NEMA 14-50P (4-Prong) to CS6364, 25 Feet in length
Ergo Grip plug handle with LED power indicators and angled connector for improved strain relief
Inlet Box: CS6375 or SS2-50P inlet
Locking collar for enhanced protection from the elements, while in use
Max Watts: 12,500W. 4 Combination 1/2 inch & inch knockouts

Description

Power inlet boxes run power to critical electrical systems while avoiding harmful exhaust fumes that a generator produces. Simply mount the box on the exterior of a home/business, and run the wiring to a transfer switch/box installation. When emergency power is needed, connect a generator cord to the inlet box, and flip the switch for the transfer unit. These boxes are equipped with a SS2-50 (CS6375) male configuration for large systems. 25FT 50Amp DUO-Rain Seal Kit Temporary Power Cord NEMA 14-50P Generator Plug to CS-6364 Connector With 50-Amp Connections Power Cords are manufactured using 600 volt Type STW cable Type. Stays flexible in cold weather, Heat Resistant up to 221F. Approval: Plug, STW: UL, C-UL.

9. Reliance Controls Corporation PB20 20-Amp NEMA 3R Power Inlet Box for Generators Up to 5,000 Running Watts

Feature

For indoor or outdoor use with specific transfer switches, manual transfer panels and generator-ready load centers
Outdoor, raintight NEMA 3R non-metallic power inlet box provides generous wiring space
Maximum generator running watts: 5,000
Maximum generator input: 20A @ 125/250 VAC
UL listed, exclusive patented design facilitates easy rough-in

Description

The Reliance Controls PB20 NEMA 3R Power Inlet Box is an outdoor/watertight electrical inlet for a 20 Amp L14-20 generator cord. It is designed to be located outdoors where the generator is running to prevent dangerous carbon monoxide fumes from the generator from entering your house. This inlet box is then safely hardwired through an outside wall directly to the transfer switch or panel, eliminating the need for cords running through windows or doors. It is designed to be wired directly to the transfer switch or panel by using one of the four combination 1/2-inch and 3/4-inch knockouts (one on each side, bottom and back). The exclusive patented design provides generous wiring space and facilitates rough-in. The face of the box is removable for easy placement and wiring. It is constructed of steel with rugged, anti-corrosive powder-coat paint and has a spring-loaded inlet cap to prevent moisture front entering the front-mounted connector inlet when not in use.. Since 1909, Reliance Controls Corporation has contributed more innovations that any other single manufacturer and has been awarded over 85 patents on manual transfer switches, time switches and accessories. Reliance Controls Corporation specializes in the manufacturing of a wide variety of electrical products. The primary product line consists of heavy duty time clocks and controls, generator accessories, transfer switches and transfer panels for portable generators and inverters. And after over a century of innovation, Reliance Controls Corporation has built an enviable reputation for high quality, superior engineering and exceptional customer service.

10. Generac 6340 30-Amp 125/250V Raintight Power Inlet Box with Spring-Loaded Flip Lid

Feature

Use a power inlet box when you need to plug in your generator outdoors
Made of NEMA 3R-rated non-metallic resin with a spring loaded flip lid cover
Power cord connect 7500-Watt maximum generator to a NEMA configuration L14-30 inlet box
Compatible with generators equipped with 30-Amp outlets including model numbers: GP3250, LP3250, XG4000, XP4000 and much more
Comes with a 2-year limited warranty

Description

The Generac 6340 30-Amp 125/250-Volt Rain tight Power Inlet Box installs on the exterior of your house or building and is hard wired to your transfer switch. Use a power inlet box when you need to plug in your generator outdoors to connect to a transfer switch indoors. This power inlet box is made of NEMA 3R-rated non-metallic resin which provides for long life and includes 6 knockouts for ultimate wiring flexibility and has a spring loaded flip lid cover. During a power outage you connect your 7500-Watt maximum generator to this NEMA configuration L14-30 power inlet box with a Generac power cord. This Generac power inlet box compatible with generators equipped with 30-Amp outlets including model numbers: GP3250, LP3250, XG4000, XP4000, GP5500, GP6500E, GP7500E, XG6500, XG7000E, XG8000E, XP6500E and XP8000E. Also combatable with Generac transfer switches model numbers: 6376, 6377, 6378, 6379 and 6382. The Generac 6340 30-Amp 125/250-Volt Rain tight Power Inlet Box is UL Listed, made in the USA, backed by a 2-year limited warranty and measures 6-inch by 5-inch by 5-inch and weighs 3-pounds. Generac power inlet boxes should be installed by a professional electrician familiar with electrical wiring and code. Generac manufactures the widest range of power products in the marketplace including portable, RV, residential, commercial and industrial generators. Generac also operates three large factories that employ thousands of workers in the American Midwest.

Conclusion

By our suggestions above, we hope that you can found the best inlet box for you. Please don't forget to share your experience by comment in this post. Thank you!