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Reliance Controls Corporation PB30 30 Amp NEMA 3R Power Inlet Box for Generators Up to 8,000 Running Watts
Reliance Controls Corporation PB30 30 Amp NEMA 3R Power Inlet Box for Generators Up to 8,000 Running Watts
Manufacturer : Reliance Controls Corporation
Amazon Price : $49.99
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Avg. Customer Rating:4.5 of 5.0
Availability: Usually ships in 24 hours Ships from and sold by Amazon.com
Product 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.
Product Details
  • Amazon Sales Rank: #1498 in Lawn & Patio
  • Size: EA
  • Color: Gray
  • Brand: Reliance Controls Corporation
  • Model: PB30
  • Number of items: 1
  • Dimensions: 8.00" h x 6.00" w x 4.00" l,
  • Product Features
  • This unit is cUL listed
  • Maximum generator running watts: 8,000
  • Maximum generator input: 30A@125/250 VAC
  • Cabinet type: Outdoor, NEMA 3R
  • 5-year warranty
  • Customer Reviews

    Most helpful customer reviews

    30 of 30 people found the following review helpful.
    5Good Quality, Does the Job
    By Ohio Guy
    I bought this to go with my 7Kw generator and Reliance Controls 30-Amp Transfer Switch Q310C. With a 50 foot run between them I chose to run an 8/3 cable with ground. If you mount this plug against a wall or post as I did, the 3/4" hole is blocked, leaving just the 1/2" one which made getting the four #8 wires inside a challenge. I WAS happy that the connections to the plug accepted this size wire as well and not just 10AWG.

    Now when the power goes off (a frequent occurrence in my area thanks to AEP), I crank up the generator, run a cord from it to the plug outside my house, flip the transfer switches and the important circuits are running - water pump, refrigerator, freezer, furnace blower, TVs, computers, most lights and of course the wife's coffee maker and toaster oven while the generator runs at barely 50% load. To power the air conditioner would require a MUCH bigger generator so we just turn on fans or run the furnace blower to move the air.

    One unsolicited comment... For the sake of your local utility worker, PLEASE use a transfer switch be it a smaller one such as the one I purchased or a whole house version. I get really bothered when people write on here how they connect to a receptacle and back-feed their home. That's fine until the day you forget to turn off the main and electrocute the guy trying to get your power back on. I know.... YOU would never forget. Don't be cheap - do it right and you never have to worry.

    26 of 27 people found the following review helpful.
    5A Solid Generator Inlet Solution
    By Robert
    Summary - This is a well built generator inlet box that is easy to install and use.

    Background - I purchased this box to go with gas powered generator (Briggs & Stratton Elite Series 30471 10,000 Watt Briggs & Stratton 2100 Series OHV Gas Powered Portable Generator With Wheel Kit), and a 30 AMP, 7500W generator cable (Reliance Controls PC3040 40-Feet 30-Amp L14-30 Generator Power Cord for Up to 7500-Watt Generators). I decided on 8/3 Romex to connect between the inlet box and the breaker panel. At the breaker panel, I decided on an Interlock Kit (available at my local super-box hardware store) rather than a manual transfer switch such as Reliance Controls 31410CRK Pro/Tran 10-Circuit 30 Amp Generator Transfer Switch Kit With Transfer Switch, 10-Foot Power Cord, And Power Inlet Box For Up To 7,500-Watt Generators. This allows me have more control over my panel and prevents any back-feed down the power lines. To let everyone know the power was back on, I also purchased a nifty little box that tells you power has returned, Reliance Controls THP108 PowerBack Utility Power Return Alert Home Monitoring Products, and a Baby Monitor (See my review of the power return alarm for that story!),

    Packaging - The packaging was adequate and protected the device in transit. The basics are included, but you will need to go an purchase mounting hardware, conduit nipple and nut, Romex, etc.

    Instructions - Clear and concise. I am a Home Handy-person and could see what needed to be done without issue.

    Construction - The box is painted metal with a spring-loaded plastic cover. A single screw on the front, lower,and center edge is all i takes to remove the front of the box to gain access to the back of the plug. There are multiple 3/4" punch outs for running the wire through, but I highly recommend a threaded electrical nipple and a nut to protect the Romex and prevent water intrusion. There are three mounting holes in a triangle configuration on the back of he enclosure for mounting.

    NOTE: Many places require a weather protected box if you plan on leaving the generator connected for long periods. This box will not satisfy that requirement in most localities. Check with the building department when you pull your permit.

    Installation - A screwdriver and a wire stripper/cutter was all it took in order to connect the Romex. Since the wire is thick, you will have to manage your wire lengths. This is more of a function of the wire inflexibility then the box. The ground wire was the most difficult since the factory installed internal wires were of a different gauge and you will need to take care that you have the wire clamp sufficiently torqued to grip both your wire and the supplied wire. Since I have dutch-lap siding, I also purchased a plate (I.E. - Arlington DBVR171-1 Outdoor Electrical-Box Adapter Plate for Existing Siding Retrofit Construction, Vertical, Dutch Lap) so that it was mounted flush on the wall with 3 1/2 inch stainless screws into the stud. I also used non-metallic conduit through the wall, again to protect the wire and prevent moisture intrusion. The job was done in 30 minutes or less.

    Use - Easy and simple. the plugs are keyed so my wife can set it up without instruction form me.

    Recommendation - I would recommend this product.

    33 of 37 people found the following review helpful.
    3Wrong Picture - BEWARE
    By True Rocker
    The picture is actually of a L14-20 connector box (with the locking lug pointing away from the center of the lug circle). The L14-30 standard actually has the locking lug point toward the center.

    If you try to match the lug patterns to your cable - this box won't work with the 20 amp generator cables. In fact, if you blow up the picture, you can see that the picture is actually of a 20amp rated inlet box.

    See all 333 customer reviews...
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