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WorksheetsGas Pipework Quiz
Total questions: 5
Worksheet time: 3mins
Press end connections and electrofusion joints shall be assembled in accordance with:
BS EN 1057.
Manufacturer’s instructions.
Copper Tube Society instructions.
Gas Safe Register Technical Bulletins.
Where the meter is not securely restrained (e.g., by a meter bracket) the gas pipework connection shall be:
By compression fittings only.
A minimum of 28 mm diameter copper.
Securely fixed rigid pipe for at least the first 600 mm.
By flexible connections both upstream and downstream.
Non-contact live-circuit detectors (voltage sticks), should be used by a gas operative to prove:
Electrical equipment is isolated and ‘dead’.
That the polarity is correct as part of preliminary electrical checks.
Dangerous voltages are not present prior to touching appliances and pipework.
Earth loop impedance readings are below the maximum for the installations fuse.
The main protective bonding conductor on gas pipework should be made using a cable with a minimum cross-sectional area of:
2 mm².
6 mm².
10 mm².
18 mm².
The maximum interval between horizontal pipework supports for 15 mm copper gas pipework installed between solid timber joists is:
1.0 m.
1.5 m.
2.5 m.
3.5 m.
