Use the inspection checklists on pages 27 - 33 to complete this section.
1. What are the general requirements for equipment?
2. What is the wording on the label that must be fitted following the inspection and testing of an installation?
3. When does a mineral insulated cable require an earth tail pot to be fitted?
4. What does BS 7671 state about the joint placed in an earthing conductor to facilitate measurement of the resistance of the earthing arrangement?
5. In the switchgear section what inspection can be carried out using touch?
6. When is it necessary to connect the earthing terminal of an accessory by means of a separate protective conductor to an earthing terminal incorporated in the associated box or other enclosure.
7. What should you do with a switch where it's function is not obvious?
8. What is the maximum voltage a lighting point can be connected to?
9. When are you allowed to install a socket outlet in a room containing a bath or shower?
10. Joints must be accessible for what?
11. A cooker control unit should be installed where in relation to the cooker?
12. What inspections can be carried out on a conduit installation using sight and touch?
13. From BS 7671, what regulation precludes the use of flexible metallic conduit as a protective conductor?
14. What methods can be employed when Band l and Band ll circuits are installed in the same trunking?
15. What inspection should be carried out on metallic trunking using both sight and touch?
16. What would you check for to ensure additional protection is afforded to sheathed cables concealed in a wall at a depth of less than 50mm?
17. List at least 3 inspections that should be carried out on insulated cables using sight alone.
18. Give an example of a type of joint that is not required to be accessible for inspection.
19. From BS 7671, what is the regulation number that relates to selection of a flexible cable or cord for resistance to heat damage?
20.What colours are used to identify a protective conductor and what are the minimum and maximum percentages for these colours?
The answers to the questions above are mainly contained in Guidance Note 3 although some cross reference to BS 7671 or the On Site Guide may be necessary.
