The Maximum Tabulated Zs for a Protective Device as Shown

The maximum tabulated Zs for a protective device as shown in BS 7671 is 1.44Ω, the maximum permissible measured Zs will be

A) 1.44Ω
B) 1.43Ω
C) 1.15Ω
D) 1.08Ω

Correct Answer:

Verified

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