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

4.8 out of 5 stars 31 customer reviews

Price: $49.98 & FREE Shipping. Details
Only 3 left in stock (more on the way).
Ships from and sold by Amazon.com. Gift-wrap available.
20
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  • This unit is cUL listed
  • Maximum generator running watts: 5000
  • Maximum generator input: 20A@125/250 VAC
  • Cabinet type: Outdoor, NEMA 3R
  • NEMA Configuration: L14-20
26 new from $45.25

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$49.98 & FREE Shipping. Details Only 3 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Reliance Controls Corporation PB20 20 Amp NEMA 3R Power Inlet Box for Generators Up to 5,000 Running Watts
  • +
  • Reliance Controls Corporation PC2020 20 Amp 20 foot Generator Power Cord for Generators Up to 8,000 Running Watts
  • +
  • Reliance Controls Corporation 20216A Pro/Tran 6-Circuit Indoor Transfer Switch for Generators Up to 8,000 Running Watts
Total price: $360.45
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Size: 20

Product Description

Size: 20

Product 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.

Amazon.com

The Reliance Controls 20 Amp power inlet box is designed for outdoor use and can be hardwired directly to Reliance Controls transfer switches or panels, eliminating need for cords running through windows or doors. This rain-tight, rust-proof unit features zinc-plated steel construction. It includes an NEMA L14-20P inlet plug, six knockout holes, and push-in wire connections. The face of the box is removable for easy placement and wiring. It is cUL 1008 listed and covered by a 5-year warranty.

Product Information

Size:20

Technical Details

Part Number PB-20
Item Weight 2.5 pounds
Product Dimensions 4 x 6 x 8 inches
Item model number PB20
Size 20
Color Gray
Power Source corded-electric
Item Package Quantity 1
Warranty Description 5 Years

Additional Information

ASIN B000BPIKEM
Customer Reviews
4.8 out of 5 stars 31 customer reviews

4.8 out of 5 stars
Best Sellers Rank #62,425 in Home Improvements (See top 100)
#8 in Patio, Lawn & Garden > Generators & Portable Power > Generator Accessories > Inlet Boxes
#9,680 in Patio, Lawn & Garden > Mowers & Outdoor Power Tools
#12,989 in Home Improvement > Electrical
Shipping Weight 1.9 pounds (View shipping rates and policies)
Date First Available January 1, 2008

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Reviews

Top Customer Reviews

Size: 20 Verified Purchase
This is an excellant product for hooking your portable generator to your transfer switch, or load center. It's weather proof which makes it worry free. Just attach your cord from the generator to the inlet and your good to go. Make sure you get the correct amp size for your generator. My generator is a 3500 watt which came with a 20 amp 220 volt twist lock
connection. Larger units take larger amp twist lock connectors. So order
according to your generator.
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Size: 20 Verified Purchase
Works great for a generator hookup. Put one of these on the hunting cabin to feed 220v into a small branch panel for lights and a/c. Mounted directly to the outside wall and ran wire through the knockout on the back face. My 4 prong twist lock cable connector fit perfectly and locked into the socket.
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Size: 20 Verified Purchase
Installation was very easy. Mounted directly to my panel using the punch outs, 1/2 inch connector and coupling. Wiring easily connects to back of plug. Had this completely installed in about 20 minutes and now ready to just plug in generator next time power goes out.
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By Jim on January 10, 2013
Size: 20 Verified Purchase
I bought this to install on the outside of the house as part of a system to let me switch over to generator power. This box is of very good quality and I am very happy with it. It looks like it will last a very long time.
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Size: 20 Verified Purchase
I got this box and its made of heavy gauge metal with a spring loaded plastic lid covering the outlet. Curiously no outside clamp connector is provided for the wire to the box. You elect which 1/2" punch out to use ( bottom or side). You'll need to buy wire clamp for the box. The box opens by removing the front screw. The top and face are one piece. Once inside simple wiring except for the green ground. It has a green connector to a brass plate with a single screw. If your like me and you have heavy gauge (10) solid wire this is a mystery to connect to. I managed to force it under the plate and over tighten to trap both wires but it was less than ideal and strangely out of place since all the other wires are simple, place in a whole and tighten a screw. Whatever, its a simple operation. I gave it 3 stars since I think they could of provided a better means for external wire entry and a better grounding connector. Also, the box could use a more water tightness.
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Size: 20 Verified Purchase
It is perfect to make the connection between your generator to your electric panel much safer without the need to cut extension cords. Just plug male side into generator, the female end of cord directly into the Reliance outlet. Nice!
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Size: 20 Verified Purchase
I bought this in-box to connect my generator to the house during outages. No I can run the smaller items in the whole house without extension cords or having to move and unplug refrigerators.

I liked this item so that I bought one for my neighbor.
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Size: 20
The Reliance power cord inlet box made hooking my generator to my transfer switch a breeze. This along with the power cord I purchased arrived neatly packaged and on time.
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