Project & Service Engineer
Project & Service Engineer Interview Questions and Answers for Freshers
Q1. 1) EARTHING DIFFERENT? 2) L-L voltage L-P voltage? 3) earting volts 4) RCCB,MCR,MCCB, Different Between circuit breaker
Earthing, L-L and L-P voltage, earthing volts, and differences between RCCB, MCR, and MCCB explained.
Earthing is the process of connecting electrical systems to the ground to prevent electric shock and protect equipment.
L-L voltage refers to the voltage between two phases of a three-phase system, while L-P voltage refers to the voltage between a phase and neutral.
Earthing volts are the voltage potential between the earth and a grounded object.
RCCB (Residual Current Circuit Br...read more
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