LED clockwise and counter clockwise phase rotation indication
?  Audible indication of direction
?  Phase condition LEDs
?  Fused test leads
?  Croc clips and prods provided
?  Dual phase colour identification
Electrical work on commercial and industrial installations often requires working on motorised machinery with three phase supplies. Correct sequence of the phases is important with certain motors and pumps as damage to brakes and valves will occur in minutes with incorrect phasing.