GMJ 9189 Phase 3 Unit 312 worksheet 9

According to HSE GS38, what maximum length of exposed conductor on an electrical test lead probe is ‘strongly recommended’?

• 2mm

• 3mm

• 4mm

• 5mm

According to HSE GS38, what preferred length of exposed conductor on an electrical test lead probe is ‘strongly recommended’?

• 2mm

• 3mm

• 4mm

• 5mm

What should be carried out on electrical test equipment annually (or as directed by manufacturers) to ensure its proper operation and accuracy?

• Calibration should be carried out in accordance with Approved Document A

• Calibration should be carried out in accordance with BS 6700

• Calibration should be carried out in accordance with manufacturer’s instructions

• Calibration should be carried out in accordance with Part P/18th Edition

Which test instrument would you use for: Checking polarity at a socket outlet?

• Socket tester

• Voltage tester

• Earth fault loop impedance tester

• Clamp meter

• Insulation and continuity tester

Which test instrument would you use for: Verifying that a supply is dead for isolation?

• Socket tester

• Voltage tester

• Earth fault loop impedance tester

• Clamp meter

• Insulation and continuity tester

Which test instrument would you use for: Measuring the resistance of the earth fault loop?

• Socket tester

• Voltage tester

• Earth fault loop impedance tester

• Clamp meter

• Insulation and continuity tester

Which test instrument would you use for: Measuring the run current when live?

• Socket tester

• Voltage tester

• Earth fault loop impedance tester

• Clamp meter

• Insulation and continuity tester

Which test instrument would you use for: Checking continuity of conductors?

• Socket tester

• Voltage tester

• Earth fault loop impedance tester

• Clamp meter

• Insulation and continuity tester

For sequence dead testing to identify live and dead, which test instrument would you use for: Continuity of earth conductors?

• Insulation resistance tester

• Low reading ohmmeter

For sequence dead testing to identify live and dead, which test instrument would you use for: Insulation resistance?

• Insulation resistance tester

• Low reading ohmmeter