Exams / HS&E PLUM / Gas work and gas safety / Question 1

HS&E PLUM practice question: Gas work and gas safety (1 of 6)

E. Specialist: Plumbing (JIB) A free question from our original HS&E PLUM practice exam. Try it, then open the answer to see why each option is right or wrong.

Last verified October 2026 against HSE guidance and the law ·How we write our questions

A householder asks you to move their gas cooker while you refit the kitchen.

Who may work on the gas fittings?

Choose one answer.

A. Any plumber with their own tools
B. A labourer, if supervised
C. The householder, if careful
D. A Gas Safe registered engineer

Show the answer and explanation

Answer: D

A. Wrong: Wrong. Gas work needs a Gas Safe registered engineer.
B. Wrong: Wrong. Gas work needs a Gas Safe registered engineer.
C. Wrong: Wrong. Gas work needs a Gas Safe registered engineer.
D. Right: Right. HSE says work on gas fittings must be done by a Gas Safe registered engineer who is qualified for that work.

Explanation

In homes and most workplaces, only a Gas Safe registered engineer, qualified for that work, may work on gas.

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HSE: Gas safety for employers

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