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#1
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NEC 250-148
Inspection failed....... Some simple things easy to fix, but one
thing the inspector noted has me confused. He said ALL grounds in a gang box must be connected. I understand grounding is important, and maybe I misunderstood what he meant by ALL. Example..... I have a four gang box that controls four sets of lights, on 2 different circuits. So far we have 6 gounds in the box. There is also one receptacle that is wired from this box too. So now we have 7 gounds, add the four pigtails for the four switches and now we have 11!!! How in the world do you connect 11 grounds in a wire nut??? Not possible is it??? Currently there are three of the switches on one circuit, and the other switch and the receptacle on the other. First circuit, three switches plus the hot leg and pigtails is 7 which is really pushing it in a wirenut anyway, the second circuit has the other switch, the receptacle, the hot leg and the pigrail for said switch, there's our other four. I know all grounds in a circuit must be connected, but are you supposed to ground 2 different circuits together???? Please help! It's cold as you know what and this is holding up my insulation!! Thanks in advance!!! |
#2
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NEC 250-148
If each circuit has its own ground, you can have two groups of connected
grounds. You don't have to use wire nuts, you could use crimps and just leave one long tail, which you bounce from switch to switch in the box wrote in message ups.com... Inspection failed....... Some simple things easy to fix, but one thing the inspector noted has me confused. He said ALL grounds in a gang box must be connected. I understand grounding is important, and maybe I misunderstood what he meant by ALL. Example..... I have a four gang box that controls four sets of lights, on 2 different circuits. So far we have 6 gounds in the box. There is also one receptacle that is wired from this box too. So now we have 7 gounds, add the four pigtails for the four switches and now we have 11!!! How in the world do you connect 11 grounds in a wire nut??? Not possible is it??? Currently there are three of the switches on one circuit, and the other switch and the receptacle on the other. First circuit, three switches plus the hot leg and pigtails is 7 which is really pushing it in a wirenut anyway, the second circuit has the other switch, the receptacle, the hot leg and the pigrail for said switch, there's our other four. I know all grounds in a circuit must be connected, but are you supposed to ground 2 different circuits together???? Please help! It's cold as you know what and this is holding up my insulation!! Thanks in advance!!! |
#3
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NEC 250-148
On Jan 30, 10:52 pm, "RBM" rbm2(remove wrote:
If each circuit has its own ground, you can have two groups of connected grounds. You don't have to use wire nuts, you could use crimps and just leave one long tail, which you bounce from switch to switch in the box 2 things so you don't need to connect ALL grounds in a box, just the ones that will be on the same circuit ( yes each circuit has it's own ground terminated at the main panel ) and NEC does not require a separate pigtail for each equipment ground? Thanks again!! |
#4
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NEC 250-148
No, as long as all the circuit grounds are spliced or crimped together, one
tail sticking out, connecting all the switches, outlets, etc in that box, on that circuit is fine. That's assuming your using plastic boxes, if they're steel, you only need to connect the tail to the box wrote in message ups.com... On Jan 30, 10:52 pm, "RBM" rbm2(remove wrote: If each circuit has its own ground, you can have two groups of connected grounds. You don't have to use wire nuts, you could use crimps and just leave one long tail, which you bounce from switch to switch in the box 2 things so you don't need to connect ALL grounds in a box, just the ones that will be on the same circuit ( yes each circuit has it's own ground terminated at the main panel ) and NEC does not require a separate pigtail for each equipment ground? Thanks again!! |
#5
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NEC 250-148
Plastic boxes. Another example, two gang box with two mid run 4 way
switches, each again on a separate circuit plastic box, connect only the grounds from each circuit separately correct?? I guess my real question would be, won't mixing grounds from separate circuits cause more problems than it would solve? Thanks again |
#6
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NEC 250-148
Probably wouldn't make any difference at all, but the code reads that
essentially all the grounds associated with a circuit must be connected together wrote in message ups.com... Plastic boxes. Another example, two gang box with two mid run 4 way switches, each again on a separate circuit plastic box, connect only the grounds from each circuit separately correct?? I guess my real question would be, won't mixing grounds from separate circuits cause more problems than it would solve? Thanks again |
#7
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NEC 250-148
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#8
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NEC 250-148
RBM wrote:
If each circuit has its own ground, you can have two groups of connected grounds. You don't have to use wire nuts, you could use crimps and just leave one long tail, which you bounce from switch to switch in the box Or you can use multiple wirenuts with extra wires connecting the wirenut groups together. -- bud-- |
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