MARTINDALE 3-Phase Industrial Check plug w/Phase Rotation
The Martindale PC101 combines a 3 phase socket tester with phase rotation. Instantly proving connection of all three phases, or indicating any that are not connected. Essential to ensure correct and safe running of 3-phase plant with motors turning in the expected direction, it is fitted with a red 16A, 3P+E, 4 pin BS 4343/IEC309 plug.