Socket & See, Model SOK 60 Socket Tester 16A 400V ac - SOK 65/16HD

SOK 65 (3PN ; E). 16 Amp BS 4343 5 Pin (3PN+E) Socket Tester for testing 400V system. Tough rubber holster for heavy duty use Phases clearly identified as L1, L2, L3 Instant Phase sequence is given by 3 green LEDs rotating clockwise with a continuous tone or 3 red LEDs rotating counter clockwise with a warbling tone Protective conductor (earth) present is indicated by green LED. SOK ADP65. 16A 5 pin socket to 32A 5 pin plug Converts SOK 65/16A to a 32A tester