Originally posted by Glenn:
Redsy, on your post of 04-25-2001 03:09PM,
- - - 680-25(c) allows NM for motors - -.
I do not read the first paragraph of 250-25(c) to allow NM to the motor.
In general, I read 680-25 to allow an EXISTING installation using from service to a sub-panel when with-in the building.
But, to the motor under ANY condition, the EGC is to be INSULATED and in ONE OF THE RACEWAYS (or type MC cable) LISTED IN 680-25(c) ist paragraph. NM is not one of that list.
The last paragraph of 680-25(c) allows an insulated OR covered ground, including any Chapt. 3 wiring method, for pool motors on the interior of a one-family dwelling. No such allowance exists in 680-25(d) regarding panelboards or disconnects. That was my original point. (Why do I see so many spa disconnects fed with NM cable? Seems like a violation to me.)