Linergy NEMA sectional terminal blocks are for terminating wire and are designed to NEMA standards. This end barrier is used to cover the open side of the 9080GF6 sectional fuse holder, 9080GG6 circuit isolation block, or 9080GS6 slip on connector block. An end barrier is required at the end of all assemblies of 9080GF6, 9080GG6 or 9080GS6 blocks to meet the UL and CSA requirements. The nylon end barrier is molded in the natural color of nylon (off white).