According to IET Regulation 411.3.2.2 all final circuits not exceeding 32 A in a building supplied with a 230 V TN supply shall have a maximum disconnection time not exceeding:
A) 0.2 s
B) 0.4 s
C) 5.0 s
D) unlimited.

Question

Quizplus · Accepted Answer

The IET Regulation 411.3.2.2 specifies that for final circuits not exceeding 32 A in a building with a 230 V TN supply, the maximum disconnection time should not exceed 0.4 seconds to ensure safety and prevent electric shock.