035_Preventive and Predictive Maintenance Standard NFPA 70 B 07 of 10
(NFPA70B-7)

 This course requires an enrolment key

Volume 7 Transformer inspections – current, voltage, temperature, leaks, general condition, turns-ration, polarity tests, fault-gas analysis, sample tests,…power cable – visual… aerial installation…raceway installation…

This course requires an enrolment key