SWITCHING PROCEDURE
- Thread starter ssilbers
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zog
Senior Member
- Location
- Charlotte, NC
Re: SWITCHING PROCEDURE
Dont think one exists for liabillity reasons. It is very hard to write a switching procedure that covers all breaker/switch/trip unit/relay types made. I write procedures like this for my customers all of the time, if a boilerplate one existed I doubt they would hire me to do it as often as I do.
Dont think one exists for liabillity reasons. It is very hard to write a switching procedure that covers all breaker/switch/trip unit/relay types made. I write procedures like this for my customers all of the time, if a boilerplate one existed I doubt they would hire me to do it as often as I do.
- Location
- Lockport, IL
- Occupation
- Semi-Retired Electrical Engineer
Re: SWITCHING PROCEDURE
It seems like the Inspector is trying to make sure your procedure does not leave out steps that the rest of the industry considers important. It also seems to me that this Inspector does not know what such a procedure should contain, and is looking to you to cover his or her lack of self-confidence. I think that is beyond the limits of an Inspector's authority. If your procedure is satisfactory unto itself, it should not matter whether or not you used anyone else's procedure as a guide for developing your own.
It seems like the Inspector is trying to make sure your procedure does not leave out steps that the rest of the industry considers important. It also seems to me that this Inspector does not know what such a procedure should contain, and is looking to you to cover his or her lack of self-confidence. I think that is beyond the limits of an Inspector's authority. If your procedure is satisfactory unto itself, it should not matter whether or not you used anyone else's procedure as a guide for developing your own.
Re: SWITCHING PROCEDURE
I have looked for that template for the last four years and never found it. In the NEC the term documented safe switching procedures is used with no explanation or referrence. As an inspectors point of view, yes I wanted somone else to come up with a generic procedure so the blanks would be filled in and magically a "documented safe switching procedure" would be created.
At least your inspector is asking for this document, and neither one of you knows what it is. I have asked 4 different electrical engineering firms to actually produce a set and they didn't know what it was either, although they wanted to use the section of the code that required it to justify their design. I have also asked at Western section meetings of the IAEI what documented procedures are and where to find them. No one has ever been able to give a correct answer, the closect I got was it is located in NFPA 70E. If it is I haven't located it yet.
I haven't answered your question, I just share your frustation!
Fred Bender
I have looked for that template for the last four years and never found it. In the NEC the term documented safe switching procedures is used with no explanation or referrence. As an inspectors point of view, yes I wanted somone else to come up with a generic procedure so the blanks would be filled in and magically a "documented safe switching procedure" would be created.
At least your inspector is asking for this document, and neither one of you knows what it is. I have asked 4 different electrical engineering firms to actually produce a set and they didn't know what it was either, although they wanted to use the section of the code that required it to justify their design. I have also asked at Western section meetings of the IAEI what documented procedures are and where to find them. No one has ever been able to give a correct answer, the closect I got was it is located in NFPA 70E. If it is I haven't located it yet.
I haven't answered your question, I just share your frustation!
Fred Bender
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