Industrial Grade AC Welder Starting Switch is designed to withstand the rigors of this application. They are equipped with a traditional strap mount, and the hole for mounting hardware supports panel mounting with self-threading fasteners or pop rivets. They are also capable of accommodating bus bar termination in multi-gang applications. They are equipped with a traditional strap mount, and the hole for mounting hardware supports panel mounting with self-threading fasteners or pop rivets. They are also capable of accommodating bus bar termination in multi-gang applications.