"Wayne Whitney" wrote in message

Well, if you are using Romex, you have to cover it with a 15 minute
fire barrier such as drywall. [See NEC 334.10(3)] That will be a lot
easier if you drill the studs. :-)

Cheers, Wayne

That would be code for living space, but I doubt it is needed for a shed.
Do you have some other information on that?