Light Duty Porcelain Wire Holder (P12) Light duty porcelain wire holder with lag screw and 1-11/16” wire hole. Porcelain material on steel head to be used as a service insulator.
Medium Duty Porcelain Wire Holder (P16) Medium duty porcelain wire holder with lag screw and 2-1/4” wire hole. Porcelain material on steel head to be used as service insulator.