Julie123 Ground Clip Question


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Old 01-18-13, 12:15 PM
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Julie123 Ground Clip Question

Originally posted to: http://www.doityourself.com/forum/el...ml#post2058589

My understanding is that the logic behind only allowing the use of the pre-tapped hole for the grounding screw is that there is less danger of corrosion over time getting in there between the ground screw and the box. By that logic it would seem grounding clips would also be not a good choice -- are they still allowed by latest code?
 

Last edited by Nashkat1; 01-18-13 at 01:59 PM.
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Old 01-18-13, 12:20 PM
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Ten year old question....
 
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Old 01-18-13, 12:22 PM
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Hi julie123 and welcome to the forums. Your question is attached to a 9 year old link. You would be much better off to start a fresh link with your question.

The electric gurus should be off work shortly, so check back for an answer.
 
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Old 01-18-13, 02:04 PM
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My understanding is that the logic behind only allowing the use of the pre-tapped hole for the grounding screw is that there is less danger of corrosion over time getting in there between the ground screw and the box.
I've not heard of that. AFAIK, the use of a tapped hole is required for mechanical stability. Do you have a source for your interpretation?

By that logic it would seem grounding clips would also be not a good choice -- are they still allowed by latest code?
Yes, grounding clips are still allowed. Are you asking about a specific application?
 
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Old 01-18-13, 06:29 PM
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My understanding is that the logic behind only allowing the use of the pre-tapped hole for the grounding screw is that there is less danger of corrosion over time getting in there between the ground screw and the box.
If you are referring to the factory pre-tapped holes, I have never heard that before. If you are referring to a hole that maybe be drilled and tapped in the field, again I never heard that before. I am not a huge fan of ground clips for another reason. I remember a time, back in the day, when a ground clip worked fine till you returned to the job site the next day and found the ground clips had snapped into two pieces and were laying on the floor. I think ground clips from Steel City were the problem ones back then.
 
 

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