ehhh for your heating duct it really won’t need to be plenum rated…but I guess safe than sorry. Really it is just to meet building/fire codes…just wrap regular cable in tin foil :lol:
ehhh for your heating duct it really won’t need to be plenum rated…but I guess safe than sorry. Really it is just to meet building/fire codes…just wrap regular cable in tin foil :lol: