CHOM Load Centers offer features HOM breakers, ground fault circuit breakers and arc fault interrupters. CHOM Load Centers enable the use of a full complement of accessories. Systems are single phase and are rated for indoor use or are rain proof. CHOM load centers are designed for residential and industrial use to protect electrical systems, equipment and people. This accessory is a Homeline fusible loadcentre insert. The original manufacturer for this insert is Amalgamated Electric. The original main lug loadcentre catalogue number is 4216. Maximum number of standard circuits is 12 while tandem is 24.