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 9080GM6 or 9080GR6 terminal block. An end barrier is required at the end of all assemblies of 9080GM6 or 9080GR6 block to meet the UL component recognition and CSA certification requirements. The nylon end barrier is molded in grey.