Buy online Copper Tube Terminals 6mm² in UK that are RAIL- approved and are suited for use in public transit, rolling stock, and signalling installations. They will make a high tensile crimped joint that complies with BS4G 178 Part 2-1986 and RSE/RTD 024 Part 7 - Issue A (London Underground Approval) E6487 A2. Order the best quality Copper Tube Terminals Online from Kafton UK Cable Ties.