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1.All moving parts tightness.
2.Fixed contact and moving conntact impression
3.Control wiring tightness
4.Mechanical parts greese
5.All control and protection coil working condition.
according to IEC/ANSI routine tests are as follows
1. Di-electric withstand test
2. Mechanical operations test to ensure interlocks
3. Electrical operation and control wiring test that includes:
a. control wiring continuity
b. control wiring withstand test
c. polarity verification
d. sequence test
e. checking of protective circuits