2008 NEC and self-grounding
#1
03-18-09, 07:38 AM
2008 NEC and self-grounding
I found a couple of threads that are 2007 and older, but I am looking for the definitive answer on 2008 NEC compliance of self-grounding and non-self-grounding devices in metal boxes.
That is, for compliance with the 2008 NEC, which of these three situations requires a grounding jumper, and which does not:
1. Self-grounding device, yoke IS in direct contact with metal box.
2. Self-grounding device, yoke IS NOT in direct contact with metal box.
3. Non-self-grounding device, yoke IS in direct contact with metal box.
Thanks.
That is, for compliance with the 2008 NEC, which of these three situations requires a grounding jumper, and which does not:
1. Self-grounding device, yoke IS in direct contact with metal box.
2. Self-grounding device, yoke IS NOT in direct contact with metal box.
3. Non-self-grounding device, yoke IS in direct contact with metal box.
Thanks.
#3
03-18-09, 03:39 PM
Group Moderator
Jumper is required for #3 only. #1 and #2 do not require a grounding pigtail.
More info see here ---> http://www.southwire.com/podcastArti...ng_Devices.flv
With #3 you would not need a pigtail if the device is a snap switch with metal screws attaching to a grounded metal box. 404.9(b)(1)
More info see here ---> http://www.southwire.com/podcastArti...ng_Devices.flv
With #3 you would not need a pigtail if the device is a snap switch with metal screws attaching to a grounded metal box. 404.9(b)(1)
Last edited by Tolyn Ironhand; 03-18-09 at 04:44 PM. Reason: added "grounded"
