adapting from Sched 40 to metal J box

weedmeisterJuly 16, 2012

I have a friend who needs some help.

An electrical friend installed an outside box for him in order to connect an emergency generator to his panel. This box is about 40' from the main panel. It is a plastic shallow box attached to Sched 40 on one side. The other side has a water-tight compression-type fitting from which comes a 10/3 cord about 10' long. The cord has a L15-30 male twist-on plug on it. This cord hangs on a hook outside when not in use.

I would like to replace the plastic junction box with an outdoor weather-rated metal box that has the L15-30 male connector in it (Reliance PB30, I think). Then a male/female cord can be made up and stored with the generator.

My question is, how do I mate the 1" sched40 to the metal box? I believe the hole on the box is 3/4" maximum. I found a 1" water tight compression fitting at HD but it requires a 1" hole in the box.

Of course, if leaving the cord as is dangling in the wind is acceptable, then I'll just leave it alone.

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brickeyee

"I found a 1" water tight compression fitting at HD but it requires a 1" hole in the box. "

Use a larger box.

    Bookmark   July 16, 2012 at 5:03PM
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weedmeister

This is what he has. Are you saying to remove the plug from this box and find another with the same weather resistant design?

Here is a link that might be useful: pb30

    Bookmark   July 16, 2012 at 6:32PM
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brickeyee

If the box does not have a one inch knockout an electrician could punch one.

A 'slug buster' is not inexpensive for a single use tough (maybe a rental place has one).

A larger box would likely have the size of knockout you want.

They are manufactured with knockouts to match typical wire capacity limits of the box.

    Bookmark   July 17, 2012 at 11:02AM
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weedmeister

I'm taking your advice and getting a larger plastic box (with the socket and cover on the bottom).

Thanks.

    Bookmark   July 17, 2012 at 3:05PM
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