UL 6A Standard for Electrical Rigid Metal Conduit – Aluminum and Stainless Steel Tube Finished conduit Protective coatings Threading and chamfering Nipples Elbows Threaded couplings Test requirements Tube Protective coatings Markings
UL 6A Standard for Electrical Rigid Metal Conduit – Aluminum and Stainless Steel Tube Finished conduit Protective coatings Threading and chamfering Nipples Elbows Threaded couplings Test requirements Tube Protective coatings Markings