Resi panel behind a clothes dryer

[GG]

What code references or manufacturers requirements prohibit a breaker enclosure from being installed behind a clothes dryer? The old panel is there now but I want to move it outside.

 

[benaround]

working space ?

 

[JFletcher]

See 110.26

 

[DARUSA]

240.24 a
110 .26 a1
110.26 a 2
110.26 e