Materials Insulating base moulded in SMC (fiberglass). Terminals in nickel-plated pressed brass (OT58 - UNI 5705-65). Clamping grub screws in nickel-plated steel. Mobile parallel jumpers in nickel-plated brass. Characteristics Jumper clamping studs in nickel-plated brass with 4 hole to connect instruments. Using the jumpers and studs, all the input terminals can be connected in parallel. Applications For active cathodic protection stations. For potential connections for electric measurements and for checking interference and pipe insulation. For electrical connection between several pipes to extend cathodic protection or for measuring and checking reciprocal interference and taking electrical measurements. For shunting dielectric joints.