Exams / HS&E MAP / Electrical safety / Question 4
HS&E MAP practice question: Electrical safety (4 of 4)
C. General safety A free question from our original HS&E MAP practice exam. Try it, then open the answer to see why each option is right or wrong.
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An electrician says a circuit is safe to work on because they switched it off at the light switch.
What should happen?
Choose one answer.
- AA. Work quickly before anyone turns it back on
- BB. Ask someone to stand by the switch
- CC. Isolate it safely and prove it dead
- DD. Nothing, as a switch makes it safe
Show the answer and explanation
Answer: C
- A. Wrong: Wrong. That is not a safe system of work.
- B. Wrong: Wrong. Use proper isolation and locking off.
- C. Right: Right. HSE says safe isolation procedures must be followed at all times.
- D. Wrong: Wrong. A light switch doesn't isolate a circuit.
Explanation
Follow safe isolation: isolate, lock off and prove dead before working on a circuit.
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