Answer / biju9cr

ELMCB is ELCB+MCB also known as RCBO
ELCB provides protection against earth leakage
MCB provides protection against over current and short
circuit current

Answer / eqbal_asif123

ELCB belongs to the class of RCCB and ELMCB belongs to the
class of RCBO that is residual overcuurent breaker.Hence MCB
can provide earth leakage as well as overcurrent protection
whereas ELCB can only provide earth leakage protection.

9.The material used for coating the electrode is called........

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