Trough grounding?

[Lefty0824]

I'm doing a multifamily dwelling service with a trough what are the bonding requirements to bond the trough?

 

[augie47]

If it's the trough containing service conductors, 250.92(A) requires it to be bonded. 250.92(B) gives the acceptable method of bonding.

 

[Lefty0824]

thanks augie47

 

[mark32]

Hey Lefty, check out the thread I started a short while ago

http://forums.mikeholt.com/showthread.php/134396-POCO-diagram-bonding-question

Larry and Augie contributed an idea or two.