This Megger lead set with large insulated clips includes one red, one blue, and one black test lead for use with Megger 5- and 10-kilovolt (kV) insulation resistance testers. Each test lead has a large test clip for hands-free connection to a large conductor. Silicone insulation on the lead wires and test clips helps protect hands from shock and heat, resists melting or becoming brittle in hot or cold environments, and maintains flexibility better than PVC insulation. The test leads lock into the input jacks on the meter to help ensure a secure connection and reduce risk of shock. The large test clips measure 5.2" x 8.7" (134 x 220 mm, W x D, where W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back) and have a 1.3" (34 mm) jaw opening. The insulated clips are rated for a maximum input of 10 kV of direct current (DC) voltage. They meet International Electrotechnical Commission (IEC) safety standard 61010 and are certified for use with category IV installations up to 600V, which covers measurements at the source of the low-voltage supply, such as electricity meters and overcurrent protection devices. The insulated leads are rated for a maximum input of 12 kV of DC voltage.

These clips are designed for clamping on larger diameter test pieces. The insulation is designed only to protect the user from the output of Megger 5 kV and 10 kV insulation resistance testers.

Safety Warning

The clips cannot in any circumstance be relied on to protect the user from live systems above 600 V a.c. r.m.s.