Adding additional outside outlet


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Old 04-18-24, 07:04 PM
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Adding additional outside outlet

I've got this sticking up in my landscape. It's a pvc box and has no knockouts. Supply comes in one conduit and feeds additional outlet down the line via the other conduit. I'd like to tap into the receptacle and run a line off it to add an electrical outlet via conduit.. What is the best way to do that? I have THHN wire.
 
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Old 04-19-24, 01:28 AM
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You can replace that box with a two gang box which has more knockouts.
Also while you are doing that be sure the receptacle/s is GFCI protected and the receptacle is marked WR (weather rated). Also utilize an "In-Use" cover since it is out in the open in the weather.
 
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Old 04-19-24, 08:18 AM
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The receptacle is GFCI protected, I'll check for the WR.

The issue of replacing the box is that it is pvc welded to pvc conduit. The box has two 3/4 female receivers on the bottom (see pic). What would be the best way of cutting the conduit w/o damaging the inside wires?

 
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Old 04-19-24, 09:53 AM
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Add a 1-gang weatherproof extension adapter for your additional conduit. (Do online search for the item quotedI have limited access to links.)
 
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Old 04-19-24, 01:50 PM
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For 2john....

All the home improvement stores carry them.
I would recommend staying with the plastic ext and glue the extension to the original box to eliminate leaks.

Just as an example.

 
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Old 04-19-24, 03:12 PM
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Thanks 2john had not thought of those, so spent some time on the 'ol google and for the life of me I could not find a pvc extension box with knockouts/thread that I could glue to the old box. Everywhere I looked, it always came back to an aluminum extension. Even forcing google to look for "PVC" was not successful. (PJ your link goes to an aluminum ext)

Thinking outside the box (LOL), could I use a forstner or spade bit to drill a 3/4" hole and use the following (it came up during my search, never seen these before)? If allowed, I like this solution as I could glue it to make it weathertight. I don't believe I'm over the box fill calcs. All I would be adding is three 12 ga wires.

https://www.homedepot.com/p/3-4-in-B...3716/202043440



Last question more for future knowledge (or if the above doesn't work)...Is there a proper/professional way of cutting pvc conduit with wire inside?
 
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Old 04-19-24, 05:22 PM
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Drill using a hole saw a 7/8" hole for 1/2" PVC, or 1 1/8" hole for 3/4" PVC, in the side or back of the box. Add a plastic LB and connect it using the fitting you posted or a standard PVC connector and locknut. Then run the conduit down from the LB into the ground.
 

Last edited by Tolyn Ironhand; 04-19-24 at 05:32 PM.
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Old 04-19-24, 07:04 PM
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Thanks PJ. I am away from home and have limited internet access and ability to link. What you showed is exactly what I found in my search. By Hubble.

I have used a tubing cutter to cut PVC conduit with wires inside to make a repair. The more difficult part is finding or making split conduit or fittings to put back if the repair is not at an end.

Cutting a hole for an LB or even for a box cemented to the back side is also a good way to go.
 
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Old 04-20-24, 11:23 AM
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Tolyn Ironhand , worked like a charm. Thanks everyone for their input!

 
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Old 04-20-24, 12:51 PM
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Whoever installed that used plumbing pipe apparently. Electrical PVC is usually gray.
 
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Old 04-20-24, 04:02 PM
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It's electrical PVC, just faded/dirty. The picture exposure isn't the best, the new LB is a much deeper gray than what it shows in the pic. If you look at the lower left you can see some white sprinkler pipe peeking out.

I've thought about painting it (brown?) but not sure of the durability of that. I'd hate to have a brown paint flaking off with a gray underneath.
 
 

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