Mounting Octagonal Old Work Box In 5/8" Drywall?? - Electrical - Page 2 - DIY Chatroom Home Improvement Forum
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Old 04-07-2012, 04:06 PM   #16
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I know, but after reading their postings, they are over thinking this. From the way they are looking at it, it reminds me of some of the postings that we get on here from engineers, who are the worst when it comes to thinking out projects. If it was me, I would have done it the easiest and fastest way, and moved on.

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Old 04-07-2012, 04:15 PM   #17
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You can probably eliminate the box altogether. You should be able to run the wire directly into the heater.
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Old 04-07-2012, 04:17 PM   #18
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OK, so I had a homer simpson moment on the units - all changed now

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Old 04-07-2012, 04:26 PM   #19
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Let me see if I get this...

You are fishing up inside the wall.
You are going to cut in a JBox
You are going to install flex from the cover of the JBox to the case of the heater


Why don't you just eliminate the box, mount the heater over the area the wire comes thru the wall and come into the back of the heater?
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Old 04-07-2012, 04:30 PM   #20
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Quote:
Originally Posted by k_buz View Post
Let me see if I get this...

You are fishing up inside the wall.
You are going to cut in a JBox
You are going to install flex from the cover of the JBox to the case of the heater


Why don't you just eliminate the box, mount the heater over the area the wire comes thru the wall and come into the back of the heater?
They are going to have to have a box in the wall, where the wire comes out. Whether they use a cover or not, the proper way is to install the box to pull the wire through.
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Old 04-07-2012, 04:33 PM   #21
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What I'm trying to say is that he doesn't need a box...period. No box...No cover.

There should be a 1/2" knock out on the back of the wiring compartment of the heater itself. Knock that knock out out, and bring the 12-2 romex directly into the wiring compartment (using an approved romex connector).
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Old 04-07-2012, 04:46 PM   #22
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Quote:
Originally Posted by gregzoll View Post
I know, but after reading their postings, they are over thinking this. From the way they are looking at it, it reminds me of some of the postings that we get on here from engineers, who are the worst when it comes to thinking out projects. If it was me, I would have done it the easiest and fastest way, and moved on.
Ouch, I resemble that remark, or at least I used to until I moved to something Completely Different in life. Guess it still shows, huh?

(probably all the hassles with inspectors doesn't help - the ones around here always seem to dig pretty deep to find a "Persian flaw" on homeowners permits, and... My favorite was one installation where the guy found something wrong in the prior owner's work (that actually wasn't even mine/directly related to what I pulled the permit for) that his boss had inspected/approved years earlier, but I digress..).

I'm actually a big fan of fast/easy, and I'd normally I'd just stick in a rectangular box as you're suggesting and be done with it, but its a hassle to deal with the HOA every time I mess with something that is a "common element", and... (the solution shown would let me skate on that as its not messing with the envelope....).

I'm still a little leery of running romex in direct though, as this unit will probably get rented out from time to time and with my luck somebody will try and use that exposed run as a place for coat hangers and start a fire :-/

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Old 04-07-2012, 04:57 PM   #23
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The wiring compartment is designed to have the wire run directly into it. They tell you in the instructions to do it and if you come into the back of the wiring compartment, there will be no exposed romex.

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Old 04-07-2012, 05:16 PM   #24
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If the OP really wants to use some metal flex, simply sleeve it over the exposed romex when it emerges from the wall.

No brainer ...
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Old 04-07-2012, 05:41 PM   #25
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Thank you for taking the time to look into this.

Here's the data sheet on the particular units I've got:

http://www.rkgphotos.com/recent_stuf...stallation.pdf

The top view show a 1.5" gap between the back of the unit and the wall - I guess they are saying the heater's body provides "adequate protection"
then? I always thought you weren't supposed to any romex running out in space in a "public" area like this where it could be got at - shows you what I know

It must be the "correct" way to install it then (pretty much all of these units have the same setup - extended away from the wall on supports).

thanks,

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Quote:
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The wiring compartment is designed to have the wire run directly into it. They tell you in the instructions to do it and if you come into the back of the wiring compartment, there will be no exposed romex.
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Old 04-07-2012, 05:46 PM   #26
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If the romex is exposed the wall and the heater, but covered by the heater, it is considered protected from physical damage.
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Old 04-07-2012, 08:41 PM   #27
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If you havn't cut the hole yet, you could try this.
http://www-public.tnb.com/ps/fulltil...i?part=B117RSW

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