GE bus can accommodate plugs, Fused Switches and Circuit Breakers. We also provide parts for earlier version of GE bus such as FVK, FDK, Armor-clad, and DE. Plug, No current protection. Fused Switches, Current protection with replacement fuses. Circuit Breakers, Designed to be manually reset when trip. SB1G CONVERSION KIT 30-100A GRD