residential A/C's

[linwue]

Here's the situation,A/C unit nameplate info reads, max fuse size 40 amps, minimum crkt amps 26.4amps.What size wire and what size fuse do I need to use?

 

[Minuteman]

Here's the situation,A/C unit nameplate info reads, max fuse size 40 amps, minimum crkt amps 26.4amps.What size wire and what size fuse do I need to use?

#10 with 40 amp OCP.

 

[celtic]

#10 ....

Unless, of course, voltage drop is a consideration

 

[Minuteman]

Unless, of course, voltage drop is a consideration

In which case, use at least 4/0. :roll:

 

[benaround]

#10 with 40 amp OCP.

Just to keep the OP in line 40a 'fused' OCP.

 

[JohnJ0906]

Here's the situation,A/C unit nameplate info reads, max fuse size 40 amps, minimum crkt amps 26.4amps.What size wire and what size fuse do I need to use?

Does it actually say "Max fuse"? If so, then you will need to use fuses. If it says "Max OCPD" or "Max fuse or breaker", then the circuit breaker is sufficient. (Properly sized of course)