design - Ib is this current, tabulated - What is the "t" It, kilowatt - Power measure, Fuse - A deliberate weak link in a circuit, clipped - installation method C is ------- Direct, minature - the M in MCB, rupturing - the R in HRC Fuse, residual - the R in RCD, overload - too many appliances on a healthy circuit, short - ----- circuit , when L touches N,

Cable calc words.

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