Mar 23, 2019 · 1 to 100 Electrical abbreviations and Full Forms Circuit Breakers | Electrical Abbreviations and Full Forms. We, electricians should have know full forms of MCB, MCCB, RCCB, RCBO, ELCB, OCB, VCB and ACB to read a electrical drawings such as Single Line Diagram (SLD), Piping and Instrumentation Diagram (PID).
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