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#1
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Metal box wiring question
On Oct 5, 3:30*pm, "
wrote: When using a metal junction box, eg handybox for a switch, is it acceptable code to: A - Just ground the metal box and rely on the switch getting grounded by being fastened to the box B - Just ground the switch and rely on the box getting grounded by being fastened to the switch C - Both must be grounded using wire? Thanks all. C) is usually the correct answer; sometimes A) is as well but only if the switch is listed as self-grounding. Otherwise you have to run ground to both. good luck nate |
#2
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Metal box wiring question
On 10/5/2011 4:59 PM, N8N wrote:
On Oct 5, 3:30 pm, wrote: When using a metal junction box, eg handybox for a switch, is it acceptable code to: A - Just ground the metal box and rely on the switch getting grounded by being fastened to the box B - Just ground the switch and rely on the box getting grounded by being fastened to the switch C - Both must be grounded using wire? Thanks all. C) is usually the correct answer; sometimes A) is as well but only if the switch is listed as self-grounding. Otherwise you have to run ground to both. good luck nate Once again Nate, you're thinking receptacles, not switches. Switches have different rules. |
#3
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Metal box wiring question
On 10/05/2011 05:31 PM, RBM wrote:
On 10/5/2011 4:59 PM, N8N wrote: On Oct 5, 3:30 pm, wrote: When using a metal junction box, eg handybox for a switch, is it acceptable code to: A - Just ground the metal box and rely on the switch getting grounded by being fastened to the box B - Just ground the switch and rely on the box getting grounded by being fastened to the switch C - Both must be grounded using wire? Thanks all. C) is usually the correct answer; sometimes A) is as well but only if the switch is listed as self-grounding. Otherwise you have to run ground to both. good luck nate Once again Nate, you're thinking receptacles, not switches. Switches have different rules. I'll have to check my copy of the code later (it's at work) but I thought that the same rules applied for typical residential installations. That's not the part that I usually look at though, so I'm willing to allow that I may be mistaken. nate -- replace "roosters" with "cox" to reply. http://members.cox.net/njnagel |
#4
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Metal box wiring question
On Oct 5, 4:59*pm, N8N wrote:
On Oct 5, 3:30*pm, " wrote: When using a metal junction box, eg handybox for a switch, is it acceptable code to: A - Just ground the metal box and rely on the switch getting grounded by being fastened to the box B - Just ground the switch and rely on the box getting grounded by being fastened to the switch C - Both must be grounded using wire? Thanks all. C) is usually the correct answer; sometimes A) is as well but only if the switch is listed as self-grounding. *Otherwise you have to run ground to both. good luck nate I know this is the case in a lot of places but Im not sure it is a code requirement. Thats the way they were wired when I was a maintenance man at a hospital years ago and the way they are at work now. Its not true for the way my house is wired. In my house only the box is grounded. Of course assuming my house was wired to code could be a reckless assumption. Jimmie |
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