34.
41.
39.
33. Why carry out polarity test?
State the values indications satisfactory result.
44. Very briefly state the meaning of:
● noise
● clean supplies and
● secure supplies
● with regard computer power supplies.
32. Use sketch with notes explanation show how trunking and
tray may suspended from the girders building structure by
appropriate brackets.
31.
42.
38.28. Explain the meaning ‘segregation’ circuits.
29. Use bullet points describe safe isolation procedure. Why carry out insulation resistance test?
State the values satisfactory test result. State five regulations which are specifically relevant special
installations locations caravan parks and caravans.
45.
30. State five regulations which are specifically relevant special
installations locations agricultural premises. Use bullet points state why the IEE Regulations require all new
installations both inspected and tested.
40. five brief statements summarize the main requirements of
emergency lighting. five brief statements summarize the main requirements bathroom
electrical installations. State five regulations which are specifically relevant special
installations locations horticultural premises. Why carry out continuity protective conductors test?
State the values satisfactory test result.
. Who can carry out live testing?
Why live working not allowed?
43. Use sketch show how the computer power supplies question 27
above should connected