Martindale-PC15250-Phase-Rotation-&-Continuity-Indicator-Martindale-MARPC15250-P-The-Martindale-PC15250-is-a-simple-&-quick-3-phase-continuity-&-rotation-indicator-It-gives-a-fast-&-effective-identification-of-worn-or-unmarked-cables-&-ensures-3-phase-outlets-&-machines-are-wired-correctly-P-P-The-retractable-GS38-probe-shields-give-a-choice-between-long-exposed-tips-for-reaching-inaccessible-contacts-&-safer-shorter-lengths-for-increased-safety-Supplied-with-one-fused-c