Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Electrical

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 10-24-2010, 09:05 PM   #16
Licensed Electrical Cont.
 
Speedy Petey's Avatar
 
Join Date: Feb 2004
Location: NY State
Posts: 6,826
Rewards Points: 0
Share |
Default

plastic or metal boxes


Quote:
Originally Posted by Clutchcargo View Post
Are the adjustable boxes any good?
I love the new black ones from Arlington



Quote:
Originally Posted by Clutchcargo View Post
It looks like there isn't a clamp in some of the plastic boxes. How do you clamp the wire to the box?
Most plastic boxes have integral clamps. Single gang boxes with no clamps or grips are fine, the cable must be stapled within 8" of the box with them though as opposed to 12" for all others.
(Sorry Brric for the correction )

Speedy Petey is offline   Reply With Quote
Old 10-24-2010, 10:56 PM   #17
" Euro " electrician
 
frenchelectrican's Avatar
 
Join Date: Apr 2006
Location: WI & France { in France for now }
Posts: 5,369
Rewards Points: 0
Default

plastic or metal boxes


Also nice gotcha if you have BX cable do not ever use them in plastic box but MC with interal grounding conductor it is not a issue as long you have proper KO fitting for it.

That is the one of few quirks you have to watch out with older BX cables but for MC and NM they are not a issue with plastique box.

If you worry about abuse or feel flimsy get hevey walled plastique box they are much stronger but not quite the same as steel box but far much stiffer I used them quite few locations where I can justify the extra cost.

Merci.
Marc
frenchelectrican is offline   Reply With Quote
Old 10-25-2010, 05:40 AM   #18
Master Electrician
 
Join Date: Mar 2010
Location: Indiana
Posts: 2,865
Rewards Points: 0
Default

plastic or metal boxes


Quote:
Originally Posted by Speedy Petey View Post
I love the new black ones from Arlington



Most plastic boxes have integral clamps. Single gang boxes with no clamps or grips are fine, the cable must be stapled within 8" of the box with them though as opposed to 12" for all others.
(Sorry Brric for the correction )
I believe if you review the newer codes the 8" requirement has be deleted.
brric is offline   Reply With Quote
Old 10-25-2010, 05:55 AM   #19
Licensed Electrical Cont.
 
Speedy Petey's Avatar
 
Join Date: Feb 2004
Location: NY State
Posts: 6,826
Rewards Points: 0
Default

plastic or metal boxes


It's still in my 2008 NEC. I do not have a copy of 2011 yet.

314.17(C) Exc.
Speedy Petey is offline   Reply With Quote
Old 10-25-2010, 04:55 PM   #20
Master Electrician
 
Join Date: Mar 2010
Location: Indiana
Posts: 2,865
Rewards Points: 0
Default

plastic or metal boxes


Quote:
Originally Posted by Speedy Petey View Post
It's still in my 2008 NEC. I do not have a copy of 2011 yet.

314.17(C) Exc.
You are right. I stand corrected.
brric is offline   Reply With Quote
Old 10-25-2010, 06:06 PM   #21
Just call me Andrew
 
Join Date: Mar 2009
Location: Albany, NY
Posts: 2,252
Rewards Points: 0
Default

plastic or metal boxes


Why don't they make a way to adapt MC cable to a plastic box? Some sort of clamp that also has a screw that holds a conductor down?
__________________
Andrew

secutanudu is offline   Reply With Quote
Old 10-25-2010, 06:11 PM   #22
" Euro " electrician
 
frenchelectrican's Avatar
 
Join Date: Apr 2006
Location: WI & France { in France for now }
Posts: 5,369
Rewards Points: 0
Default

plastic or metal boxes


Quote:
Originally Posted by secutanudu View Post
Why don't they make a way to adapt MC cable to a plastic box? Some sort of clamp that also has a screw that holds a conductor down?
Yeah there is connector for this purpourse it called MC connector it will look simauir to NM connector but in diffrent confertion which they are designed for MC/BX cables.

But to stick in the plastique box some will have KO for it and some don't so make sure you get one with KO verison { typically found in 4X4 plastique boxes but not in single or two gang nail on plastique boxes at all.}

Again watch out with BX cable if you run into make sure you keep steel box for this one the MC can go either way. as long you have grounding conductor in there.

Merci.
Marc
frenchelectrican is offline   Reply With Quote
Old 10-26-2010, 07:47 PM   #23
I have gas!
 
Clutchcargo's Avatar
 
Join Date: Mar 2007
Location: Massachusetts
Posts: 1,771
Rewards Points: 0
Default

plastic or metal boxes


My wife thinks I'm crazy. I bought a sample of a few boxes and installed them to the studs. After much deliberation, I'm going with metal. The material and quality of the plastic boxes do not give me the confidence that plastic will last the life of the wall. I'm thinking one receptacle replacement is all it's going to take to strip the plastic threads and then you've got a wobbly outlet. Carlon makes a heavier gauge plastic box that I would consider using, however, it's too deep. I've got 2x4 walls and I wouldn't be able to get more than 1/4" of spray foam behind it.
So, metal it is.
__________________
I tear things down and build them up.
Clutchcargo is offline   Reply With Quote
Old 10-26-2010, 09:02 PM   #24
Licensed Electrical Cont.
 
Speedy Petey's Avatar
 
Join Date: Feb 2004
Location: NY State
Posts: 6,826
Rewards Points: 0
Default

plastic or metal boxes


Quote:
Originally Posted by Clutchcargo View Post
My wife thinks I'm crazy. I bought a sample of a few boxes and installed them to the studs. After much deliberation, I'm going with metal. The material and quality of the plastic boxes do not give me the confidence that plastic will last the life of the wall. I'm thinking one receptacle replacement is all it's going to take to strip the plastic threads and then you've got a wobbly outlet. Carlon makes a heavier gauge plastic box that I would consider using, however, it's too deep. I've got 2x4 walls and I wouldn't be able to get more than 1/4" of spray foam behind it.
So, metal it is.
I say you are WAY over thinking this.
Speedy Petey is offline   Reply With Quote
Old 10-26-2010, 10:33 PM   #25
Electrical Contractor
 
jbfan's Avatar
 
Join Date: Jun 2004
Location: Newnan GA
Posts: 5,792
Rewards Points: 16
Default

plastic or metal boxes


Quote:
Originally Posted by Speedy Petey View Post
I say you are WAY over thinking this.
Just like Petey said!

You are making a simple process rocket science!
__________________
Yes I am a Pirate, 200 years too late. "Jimmy Buffett"
jbfan is offline   Reply With Quote
Old 10-26-2010, 10:43 PM   #26
nap
You talking to me?
 
nap's Avatar
 
Join Date: Dec 2007
Location: sw mi
Posts: 5,407
Rewards Points: 0
Default

plastic or metal boxes


Quote:
Originally Posted by jbfan View Post
Just like Petey said!

You are making a simple process rocket science!
Me too. I just would have used metal boxes from the get go and been done with it.
nap is offline   Reply With Quote
Old 10-27-2010, 08:07 AM   #27
I have gas!
 
Clutchcargo's Avatar
 
Join Date: Mar 2007
Location: Massachusetts
Posts: 1,771
Rewards Points: 0
Default

plastic or metal boxes


You guys sound like my wife. I guess I am a little OCD about this.

__________________
I tear things down and build them up.
Clutchcargo is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Getting shocked by multiple metal items in room thms Electrical 14 06-24-2010 01:23 PM
loose outlet boxes on metal studs windowguy Electrical 7 01-29-2009 12:12 PM
grounding pole building sheet metal? borderbuster Electrical 2 07-08-2007 02:11 AM
Plastic vs metal switch boxes tropic home Electrical 1 11-29-2006 05:54 PM
Proper ground with plastic boxes tjandt Electrical 3 11-07-2005 08:16 AM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.