D dahualin Senior Member Feb 23, 2010 #1 Is there any code requirement or common practice requirement that insulated wall penetration in cold storage area for electrical wiring shall be using conduit? Can we use MC cable? Thanks.
Is there any code requirement or common practice requirement that insulated wall penetration in cold storage area for electrical wiring shall be using conduit? Can we use MC cable? Thanks.
J Joe Villani Senior Member Location Westchester County NY Feb 23, 2010 #2 Insulated Wall Penetration Insulated Wall Penetration See 300.7(A)
D dahualin Senior Member Feb 23, 2010 #3 Can MC cable to be used with sealant around it for the penetration? Aritcle 300.7 doesn't specifically say about it.
Can MC cable to be used with sealant around it for the penetration? Aritcle 300.7 doesn't specifically say about it.
