2391 help me

[bronafon14]

need help on phase sequence just dont get what sort of stuff it will ask for??

 

[brucelee]

probably 2 types of instruments used

 

[bobby101]

rotating disc type or indicator lamp type, apply probes to lines L1,L2 and L3 confirm result

 

[GStueyXR]

We were told that phase sequence has never been asked in an exam as the test is straight forward.

 

[brucelee]

but you may get asked for two instruments that are used as the ones bobby101 mentions

 

[bobby101]

i happen to know that a previous c n g exam did ask that very question sorry