Circuit Tester Description. It doesn t matter which one goes on the positive and which goes on the ground. A circuit tester has a series of lights that show the state of the wiring in the outlet so the technician can verify that it has been installed properly.
High visibility neon lamp indicator. A circuit tester has a series of lights that show the state of the wiring in the outlet so the technician can verify that it has been installed properly. For use on battery 910013 9 pkg qty 1.
144 mm probes on long 24 in.
For use on battery 910013 9 pkg qty 1. A circuit tester is one of the most important tools a homeowner or electrician can have to verify the integrity of electrical wiring and receptacles. Plug in circuit analyzers. 610 mm leads are convenient for testing motors fuses relays switches etc.
