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Old 09-01-2009, 11:15 PM   #31
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what if I had used a plastic box but didn't want to use a plastic cover plate? How would a metal cover plate be bonded without a device?
You wouldn't/shouldn't do that.

My theory is that a metal box is a potential short circuit. Any accidental scuff in the wire could easily cause an issue in a metal box. Also, I work stuff hot all the time in troubleshooting and remodel and it much safer/easier if I don't have to worry about accidental box contact.

Plastic boxes are sill under 30 cents here ......but we have to pay our own medical expenses



Beer is cheap here too
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Old 09-01-2009, 11:22 PM   #32
 
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Sigh, love my country, hate it's prices.
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Old 09-01-2009, 11:37 PM   #33
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Originally Posted by 220/221 View Post
You wouldn't/shouldn't do that.

My theory is that a metal box is a potential short circuit. Any accidental scuff in the wire could easily cause an issue in a metal box. Also, I work stuff hot all the time in troubleshooting and remodel and it much safer/easier if I don't have to worry about accidental box contact.

Plastic boxes are sill under 30 cents here ......but we have to pay our own medical expenses



Beer is cheap here too

Well... They sell stainless steel blank plates so how can you safely use one if it's not being screwed into a metal box? What if you were using one to match the decor or in a garage or something to withstand some abuse? And the outlet box is plastic?

A 4" square box at HD is only $0.97 in my area. The 1-1/2" ones they sell (RACO 189) all have the raised ground bump now too which is a nice feature.
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Old 09-01-2009, 11:48 PM   #34
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Originally Posted by romexican View Post
Well... They sell stainless steel blank plates so how can you safely use one if it's not being screwed into a metal box? What if you were using one to match the decor or in a garage or something to withstand some abuse? And the outlet box is plastic?

A 4" square box at HD is only $0.97 in my area. The 1-1/2" ones they sell (RACO 189) all have the raised ground bump now too which is a nice feature.

Romexican.,

To use the stainless steel blank cover on plastic box is not a super good combation to deal with it and I know in the NEC code it mention that any metal items that can get concat with conductor shall be bonded that why with plastic box you have to use plastic cover otherwise get a metal cover with bonding screw or something tied together.
The metal junction box with metal cover that will work very well and it is legit with that set up.

If it was going be in high abuse area I will end up just use all metal box with metal covers and that will hold up better than some plastic box escpally with very cold weather we get up this far neck of woods { yeah I am in Wisconsin at the moment but I DO know how cold it get in wintertime }

Merci,Marc
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Old 09-02-2009, 12:08 AM   #35
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There are metal covers that have a grounding pigtail attached. If there is a device installed, then the metal plate is bonded by contact with the device. If it is a black cover attached to a metal box, then it would need t be one with a grounding pigtail.
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Old 09-02-2009, 12:13 AM   #36
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InPhase277 sorry to be off track for a min do you recall what model number for that blank cover that do have grounding pigtail attached ? if so can you give me the model number so I can able order bunch of it.


Merci,Marc

Last edited by frenchelectrican; 09-02-2009 at 12:14 AM. Reason: fix the grammer
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Old 09-02-2009, 01:02 AM   #37
 
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Originally Posted by romexican View Post
Well... They sell stainless steel blank plates so how can you safely use one if it's not being screwed into a metal box? What if you were using one to match the decor or in a garage or something to withstand some abuse? And the outlet box is plastic?

A 4" square box at HD is only $0.97 in my area. The 1-1/2" ones they sell (RACO 189) all have the raised ground bump now too which is a nice feature.

Son of a you know what.....the 4" are 4 bucks here...........this just blows, seriously getting choked here!!!
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Old 09-02-2009, 07:18 AM   #38
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Originally Posted by frenchelectrican View Post
InPhase277 sorry to be off track for a min do you recall what model number for that blank cover that do have grounding pigtail attached ? if so can you give me the model number so I can able order bunch of it.


Merci,Marc
I'll have to track it down. I'll get back to you. I may have to ask the guys on the other forum, 'cause I'm bad at looking things up. I'll let you know.
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Old 09-02-2009, 07:47 AM   #39
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You qualify for elite charter member status in the OC perfectionists club!!!! Very nice.
You should find work TEACHING that!
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Old 09-02-2009, 08:00 AM   #40
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Regarding the use of the Buchanan crimp on the grounds as opposed to a nut...
Somebody said you should use a nut. Although there are circumstances where it might be easier if you had, the nut isn't a necessity. I prefer crimps just due to the fact that they're less likely to be undone and re-installed in a less than ideal manner by a homeowner or handyman down the road. A properly crimped Buchanan just oozes professionalism in my opinion.
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