What's Wrong Here?
Oct 25, 2006 11:28 AM, By Joe Tedesco
Hint: Was this installer color blind?
One picture shows two black conductors marked with white tape terminated on a grounded conductor (neutral) bar. Red and blue conductors are then used as branch circuit neutrals. The other picture shows a single black conductor with green tape terminated on the equipment grounding terminal bar. Blue conductors are then used as grounds. This work was found inside a 120/240V single-phase panel.
As per the conductor identification requirements of 310.12, “(A) Grounded Conductors. Insulated or covered grounded conductors shall be identified in accordance with 200.6. “(B) Equipment Grounding Conductors. Equipment grounding conductors shall be in accordance with 250.119. “(C) Ungrounded Conductors. Conductors that are intended for use as ungrounded conductors, whether used as a single conductor or in multiconductor cables, shall be finished to be clearly distinguishable from grounded and grounding conductors. Distinguishing markings shall not conflict in any manner with the surface markings required by 310.11(B)(1). Branch circuit ungrounded conductors shall be identified in accordance with 210.5(C). Feeders shall be identified in accordance with 215.12. “Exception: Conductor identification shall be permitted in accordance with 200.7.”
Want to use this article? Click here for options!
© 2012 Penton Media, Inc.
Code Challenge
Code Quiz
Feb 2, 2012 9:02 PM, By Steven Owen
When installing audio distribution cables exposed on the surface of ceilings and sidewalls, the cables shall be supported by which of the following products?
- ...
More Code Quizzes
Code Q&A
Feb 2, 2012 8:58 PM, By Mike Holt
Q. Is it acceptable to use a 14 AWG conductor for the bonding jumper to a receptacle on a 20A branch circuit?
...
More Code Q&As
Acceptable Use Policy blog comments powered by Disqus
advertisement
product spotlight
Labeling tool
Feb 10, 2012 7:58 AM
The Rhino 4200 labeling tool features one-touch “hot keys” that quickly create and format wire/cable wraps, flags, fixed-length labels and more...
View all 2012 Product Spotlights
Free Product Info
Our Product Information site is the ultimate online resource for products and services offered by Advertisers featured in our Magazine. This service is provided as a quick and easy way to request Product Information online. Get FREE product information now.



































