Pjp professional test lead set pjp 425sp a set of test leads from pjp designed to meet the iec 1010 2 safety standard suitable for use up to 1000v the kit is completely modular in format allowing the user to assemble test lead variations as required the test lead cable employed is a double insulated 10a silicone rubber which is extremely flexible and resistant to heat and chemical attack pjp 425sp professional test lead set