ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
ShoutChat Box
Recent Posts
What does your work place look like?
by HotLine1 - 11/23/20 03:35 PM
Where is Everyone?
by Lostazhell - 11/21/20 04:17 AM
Ground fault remover :-)
by dsk - 11/21/20 02:47 AM
Work Gloves?
by gfretwell - 11/20/20 10:17 PM
Reverse-feeding transformer in PV system?
by winnie - 11/19/20 06:49 AM
New in the Gallery:
Facebook follies, bad wiring
FPE in Germany pt.2
Who's Online Now
1 registered members (HotLine1), 18 guests, and 13 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
Florescent lights #183020 12/22/08 01:06 AM
Joined: Feb 2008
Posts: 193
S
schenimann Offline OP
Member
We put up 158 florescent lights in commercial job. They all work from two switches through contactors. I was in a j box hooking up a emergency light with the breakers off for the emergency circuit. Realized that I had 120v from neutral to ground. I traced it to a row of lights.

I have a row of about 13 8ft t8 fixtures. I have a whip that comes into the middle. When I tie the hot in going either direction, I get 120v from neutral to ground. The Lights work. I know this should not be on the neutral or can this happen with fl lights. I've never had it before but I don't know that much about the internal working of ballasts.

Work Gear for Electricians and the Trades
Re: Florescent lights [Re: schenimann] #183026 12/22/08 03:43 PM
Joined: Jul 2004
Posts: 783
L
LarryC Offline
Member
Sounds like a missing N-G bond at the source. Do these lights come off of new transformer? If so, I suspect a missing bond.

Larry C

Re: Florescent lights [Re: LarryC] #183027 12/22/08 03:56 PM
Joined: Jul 2002
Posts: 717
M
macmikeman Offline
Member
I bet the neutral is not continous to the neutral busbar. Start checking at the branch source first and then out to the lights. Open circuit someplace.


Featured:

2020 National Electrical Code
2020 National Electrical
Code (NEC)

* * * * * * *

2020 Master Electrician Exam Preparation Combos
2020 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
mxslick
mxslick
Atomic City, ID USA
Posts: 803
Joined: October 2004
Show All Member Profiles 
Top Posters(30 Days)
Trumpy 9
Popular Topics(Views)
271,880 Are you busy
205,739 Re: Forum
193,850 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.7.3