Nec 2008 Disconnect for lights

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brother

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I was having a discussion with a fellow electrician on the change on NEC 2008 410.130(G)(2) Multiwire Branch Circuits disconnect for lights/luminares. I never relized this was NOT for all lights, but for 'double ended lamps (1).

Does anyone know why this is only for 'double ended' lamps and not for other lamps that share a neutral?? it looks to me a person can still get 'shocked' off a 'single ended lamp' on the neutral if they are changing the ballasts.
 
Good Question!!

Good Question!!

brother said:
Does anyone know why this is only for 'double ended' lamps and not for other lamps that share a neutral??
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Good Question????:smile:
I'm not really sure:-?.......My guess is because they are were most injuries have been reported.....?? By the way, that is a rule that was distorted in my area.....at first nobody checked the rule, and thought it was for all HID's, even me.....Rumors, ya think I'd no better by now
 
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brother said:
Does anyone know why this is only for 'double ended' lamps and not for other lamps that share a neutral?? it looks to me a person can still get 'shocked' off a 'single ended lamp' on the neutral if they are changing the ballasts.
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You're not the only one wondering why. At least one person on the code-making panel stated exactly what you are saying.
See comments by Costello in the attached link to Report on Proposals A2007 NFPA. Page 70-449 :smile:

www.nfpa.org/assets/files/PDF/ROP/NEC2008Article410-501.pdf
 
dreamsville said:
You're not the only one wondering why. At least one person on the code-making panel stated exactly what you are saying.
See comments by Costello in the attached link to Report on Proposals A2007 NFPA. Page 70-449 :smile:

www.nfpa.org/assets/files/PDF/ROP/NEC2008Article410-501.pdf
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Nice to know someone else was thinking the same thing. I suppose its too late to send in a proposal for the 2011 code to make this for all lamps/luminares.
 
brother said:
Nice to know someone else was thinking the same thing. I suppose its too late to send in a proposal for the 2011 code to make this for all lamps/luminares.
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Yep. Deadline was last November. You'll have to wait until 2012 to make a proposal for the '14.
 
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