The Seaward Group 401A912 SDR11 is a safe discharge rod, designed to conduct the safe damp discharge of residual charge on a cable or piece of electrical equipment with volages up to 11kV respectively by limiting the discharge current. The 401A912 SDR11 features high grade glass fiber tubing and incorporates encapsulated resistor chains and is supplied with flexible cable with a heavy duty brass clamp for easy earth connection.