... to 10KV, fixing aluminum conductor. NLL Tension Clamp (Aluminum Alloy ,bolted type):1) Be suitable for distribution wire up to 10KV, fixing ... and tighten the aerial conductor.2) Material: body, keeper - aluminum alloy, split pin - stainless steel, others - hot-dip galvanized steel.3 ... strain clamp used together for insulation protectio Tension Clamp (Aluminum Alloy ,bolted type)