I-Line Panelboards provide a broad range of solutions available from distributor stock to address electrical contractor's needs. I-Line Panelboards have modular construction to accept field installable accessories and conversion kits. This panelboard accessory is a service entrance barrier kit for backfed main circuit breakers. This kit is for PowerPacT M/P circuit breakers and includes a neutral bonding strap. The kit is UL component recognized and is not for use in Canada.