Martindale-PC105-3-Phase-Industrial-Socket-Tester-5-pin-Martindale-MARPC105-63-P-This-3-phase-socket-tester-from-Martindale-is-ideal-for-checking-supply-faults-&-incorrect-wiring-of-CEE-5-pin-63A-socket-outlets-It-will-check-for-phase-presence-phase-sequence-&-PE-presence-P-Martindale-MARPC105-63-3-Phase-Industrial-Socket-Tester-63A