1. The certificate issued for an initial verification must be accompanied by a schedule of?
a. Test results only
b. Inspections only.
c. Tests and Inspections.
d. Test results and Inspections.
2. On completion of initial verification of an additional new circuit, the inspector should provide
a. A minor works installation certificate.
b. A condition certificate
c. Relevant comments on the condition of the existing electrical installation
d. Details of any departures from BS 7671:2008 to the supply authority.
3. A Minor Electrical Installation Works Certificate does not require a record of
a. System earthing arrangements.
b. Departures from BS7671.
c. Method of fault protection.
d. Prospective fault current.
4. Which one of the following documents does not include model forms for certification purposes?
a. HSE Guidance Note GS38.
b. The IET On-Site Guide.
c. IET Guidance Note 3.
d. BS7671.
5. For an Electrical Installation Certificate and Electrical Installation Condition Report, what information must be made available to the Inspector with regard to the Supply Protective Device Characteristics?
a. Type and Rated Current.
b. Position and Rating.
c. Location and Quantity.
d. Short Circuit Capacity and BS Number.
6. Before conducting the inspection and test of a new shower circuit, one of the most important items of information required is?
a. Date of installation of the circuit.
b. Size, type and rating of the cable and the overcurrent protective device.
c. Manufacturer of the shower.
d. Manufacturer of the test equipment used.
7. Which human sense is most likely to indicate that a BS 3036 fuse has operated the moment a circuit switch is operated under short circuit conditions?
a. Taste.
b. Smell.
c. Hearing.
d. Touch.
8. Any item that does not need inspection during initial verification should be marked.
a. X
b. N/A
c. LIM
d. /
9. A human sense used during initial verification would be
a. Smell
b. Touch
c. Hearing.
d. All of the above.
10. A new installation is protected against faults by ADS. Which of the following is not a method of providing fault protection?
a. Presence of protective bonding conductors.
b. FELV
c. Placing out of reach.
d. Presence of circuit protective conductors.
11. Where mechanical protection is not provided, supplementary bonding conductors should have a csa of not less than.
a. 2.5mm2
b. 4.00mm2
c. 6.00mm2
d. 10.00mm2
12. An additional c.p.c. is connected in parallel with the SWA of a cable, this has the effect of.
a. Increasing the overall resistance.
b. Decreasing the overall resistance.
c. Increasing the voltage drop.
d. Decreasing the voltage drop.
13. In a room containing a bath, Zone 0 is
a. Within the bath.
b. Immediately above the bath.
c. 600mm around the bathtub.
d. More than 600mm from the bathtub.
14. When carrying out an earth fault loop impedance test on a final circuit, the earthing conductor must be
a. disconnected from all the protective conductors.
b. connected to all the protective conductors.
c. disconnected from the supply authority earthing terminal.
d. only disconnected from the circuit protective conductors.
15. The non-statutory document that is applicable to the construction and use of test equipment for electricians is.
a. HSE Guidance Note GS38
b. The IEE on Site Guide.
c. IEE Guidance Note 3
d. BS 7671
16. When a number of circuits are added to a distribution board, the overall insulation resistance will
a. Decrease.
b. Remain unchanged.
c. Be an average of the number of circuits.
d. Increase.
17. Which of the following identifies the conditions required before performing an insulation resistance test.
a. Consult the client, follow safety procedures and erect warning signs.
b. Inform the HSE.
c. Inform staff, the HSE and erect warning signs.
d. Consult the engineer, inform the HSE and tell the client.
18. Which one of the following results would confirm separation of SELV circuits from circuits operating at 230V as required by BS7671
a. Test voltage 250V, Minimum resistance 0.25Megohms
b. Test voltage 250V, Minimum resistance 0.5Megohms
c. Test voltage 500V, Minimum resistance 0.5Megohms
d. Test voltage 500V, Minimum resistance 1.00Megohms
19. Where residual current devices are arranged in series. To ensure correct operation in the event of a fault, there should be suitable
a. Distribution.
b. Discrimination.
c. Discernment.
d. Demarcation.
20. A test of prospective fault current should be carried out at the point in the installation where a protective device is installed in order to ensure it is
a. Capable of being replaced.
b. Able to safely disconnect the fault current likely to occur at that point.
c. To ensure it is twice the value of the protective device.
d. Able to disconnect in the required time.
21. Continuity of conductors should be verified using
a. a continuity tester
b. a Megger
c. a Low Resistance Ohmmeter
d. An earth fault loop impedance tester
22. In order to ensure that the risk of electric shock under fault conditions is significantly reduced, it is important to ensure that,
a. Basic protection is provided.
b. All protective conductors are clearly marked with a warning label.
c. All protective conductors are in place and disconnection times are met.
d. The earthing conductor is not smaller than 25mm2.
23. When 2 copper conductors, each with a resistance of 0.1 Ohms are connected in parallel, the combined resistance would be
a. 0.5 Ohms
b. 0.2 Ohms
c. 0.1 Ohms
d. 0.05 Ohms
24. A 100mA RCD is installed to provide fault protection. The maximum applied test current to confirm compliance is.
a. 50mA
b. 100mA
c. 500mA
d. 200mA
25. The current measured between line and neutral at the origin of an electrical installation forming part of a TT system would be recorded as the
a. Design Current
b. Nominal Current
c. Rated Current
d. Prospective Fault Current
