Fluke-SM100-Socket-Tester-FLUKE-FLUKE-SM100-P-Buy-FLUKE-SM100-Socket-Tester-ndash-an-ergonomic-&-easy-to-use-socket-tester-designed-to-make-the-electricians-job-easier-&-is-ideal-for-first-level-indication-for-testing-standard-mains-sockets-BR-BR-The-SM100-checks-for-missing-earth-live-earth-reverse-live-neutral-reverse-missing-neutral-or-live-faults-Three-vivid-bicolour-LEDs-for-each-check-indicate-the-status-of-the-wiring-into-the-socket-It-is-supplied-with-a-simple-to-use-cha