I have an install where I need a 60 amp circuit to a new electric furnace in an unfinished basement.
I want to install a #4/3 wg aluminum SER cable to the furnace.
Article 338 says to comply with article 334 for install which says for ampacity to use the 60 degree column which limits me to 55 amps for the #4SER.
240.4(B) says I can go the the next higher breaker, provided 3 conditions are met which my install meets.
Does 240.4(B) trump 334.80?
I also would like to strap the SER to the bottom of the joist in the unfinished basement and I believe that Article 334.15(C) says that it is legal.
Am I on the right track here?
Thanks in advance
I want to install a #4/3 wg aluminum SER cable to the furnace.
Article 338 says to comply with article 334 for install which says for ampacity to use the 60 degree column which limits me to 55 amps for the #4SER.
240.4(B) says I can go the the next higher breaker, provided 3 conditions are met which my install meets.
Does 240.4(B) trump 334.80?
I also would like to strap the SER to the bottom of the joist in the unfinished basement and I believe that Article 334.15(C) says that it is legal.
Am I on the right track here?
Thanks in advance