Know electrical safety requirements when working in the building services industry
Quiz by Ricky Fleet
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14 questions
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- Q1The MAIN purpose of a Residual Current Device is to...Measure any voltage decrease in an electrical curcuitMeasure any voltage increase in an electrical circuitAllow a plumber to work safely on a live supplyIsolate the electrical supply in the event of any current leakage30s
- Q2All 110 V and 230 V electrical power tools must have a regular...Inspection by a Health and Safety officerPortable appliance test (PAT)Multimeter testIEE 16th edition wiring test30s
- Q3The recommended safe maximum voltage when using an electrical inspection lamp on a construction site is...240 volts110 volts55 volts220 volts30s
- Q4An RCD is a device that provides a high level of protection in the event of an electrical failure. RCD stands for...Residual cut-off deviceRapid cut-off deviceResidual current deviceRapid current device30s
- Q5Which one of the following should be used to separate a colleague from a live electrical supply?Scaffold tubeDry wrecking barGloved handsPiece of dry wood30s
- Q6The HSE recommends that portable electrical equipment used on a construction site should be inspected and tested by a competent person every...12 months4 months6 months3 months30s
- Q7Which of the following electrical power tools is the safest to use on a construction site?415 volt240 volt110 voltCordless tool30s
- Q8The safest method of providing temporary lighting for work locations in an area of a building under construction, is by a...110v temporary electrical supply240v temporary electrical supplyThree phase electrical supplySeveral paraffin lamps30s
- Q9Safety regulations identify that before using an electric drill it must be...Lubricated at the motor bushes to run correctlyVisually inspected for signs of damageChecked to establish that it is rated at 450vStripped down and serviced by the user30s
- Q10Before working on an electrical system, it must be...Safely connectedSafely isolatedProperly earthedConfirmed as live30s
- Q11An individual appears to have suffered an electric shock and may still be in contact with the electric supply. The correct course of action is to...Take a firm hold of the casualty by the hand or arm and pull gently to remove him/her from the supplyTry to turn the casualty over on his/her side into the recovery position, before taking any further actionTry to remove the casualty from the electrical supply by pulling him/her away using a piece of non-conductive material such as woodShout for help and try to locate the main switch for the electrical supply, in order to turn off the power30s
- Q12Which one of the following can be checked for correct operation by pressing a button on the front of the device?Residual current deviceFull face maskThermostatic radiator valveLPG blow torch30s
- Q13If a piece of electrical equipment suffers damage should you?Use the tool as normal but be careful to keep hands away from dangerIgnore the damage as it would cost too much to replaceMake a temporary repair with electrical insulation tape and keep using itImmediately take the tool out of commission until it is repaired30s
- Q14When drilling into walls, what should you ALWAYS check for?Hidden treasureBuried/hidden cavitiesWhat is on the other side of the wallBuried/hidden electrical cables30s