IEC/BS EN 62561-1 Class H. UL96. Furse Tape Crossover Clamp. Furse Tape Crossover Clamp is designed for forming cross, tee, through and right angle joints with tapes that are fixed to a building or structure. The screws are retained in 1 part of clamp with O rings when fitting conductor to prevent screws being lost and ensure a simple installation. Features. High quality copper and aluminium alloys. Low resistance connection between overlapping tapes. Simple to install. Tightening torque 5 Nm. Applications. Used to form straight through, cross or tee joints in tape and bar.