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#202060 - 07/14/11 12:03 PM 480volt lights on poles no equipment gr.  
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 834
Michigan
Height min of 22ft per 210.6d.
Out of building thur manholes up pole then overhead on poles.
Ground to ist then lose ground.
PER
410.42(A)Equipment grounding conductor required (OR) be inaccessible to ubnqualified persons.
We're talking long spans here single conductors 30 ft hight.


2017 / 2014 NEC & Related Books and Study Guides

#202063 - 07/14/11 12:27 PM Re: 480volt lights on poles no equipment gr. [Re: Yoopersup]  
Vindiceptor  Offline
Member
Joined: Mar 2011
Posts: 98
San Diego

Metallic, wood, fiberglass or concrete poles?

If metallic the EG's are required.


#202064 - 07/14/11 02:13 PM Re: 480volt lights on poles no equipment gr. [Re: Yoopersup]  
HotLine1  Offline


Member
Joined: Apr 2002
Posts: 6,874
Brick, NJ USA
Yoop:

From 2008:

"410.42 Exposed Luminaire.
(A) Exposed Conductive Parts. Exposed metal parts shall be connected to an equipment grounding conductor or insulated from the equipment grounding conductor and other conducting surfaces or be inaccessible to unqualified personnel. Lamp tie wires, mounting screws, clips, and decorative bands on glass spaced at least 38 mm (11/2 in.) from lamp terminals shall not be required to be grounded."

As Vin said...metal poles must be bonded.



John

#202067 - 07/14/11 02:42 PM Re: 480volt lights on poles no equipment gr. [Re: Yoopersup]  
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 834
Michigan
Wood poles


#202074 - 07/14/11 08:29 PM Re: 480volt lights on poles no equipment gr. [Re: Yoopersup]  
HotLine1  Offline


Member
Joined: Apr 2002
Posts: 6,874
Brick, NJ USA
Case closed?


John


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