Basic Electrical Installation Work

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Strana 377 z 399

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Explain the meaning ‘segregation’ circuits. 42. 34. Why carry out insulation resistance test? State the values satisfactory test result. 45. 38. State five regulations which are specifically relevant special installations locations caravan parks and caravans. 41. 32. Use sketch with notes explanation show how trunking and tray may suspended from the girders building structure by appropriate brackets. five brief statements summarize the main requirements of emergency lighting. 44. Why carry out continuity protective conductors test? State the values satisfactory test result. Use bullet points describe safe isolation procedure.28. 40. Why carry out polarity test? State the values indications satisfactory result. five brief statements summarize the main requirements bathroom electrical installations. Who can carry out live testing? Why live working not allowed? 43. Use bullet points state why the IEE Regulations require all new installations both inspected and tested. Use sketch show how the computer power supplies question 27 above should connected. State five regulations which are specifically relevant special installations locations agricultural premises. 29. 33. State five regulations which are specifically relevant special installations locations horticultural premises. 31. . Very briefly state the meaning of: ● noise ● clean supplies and ● secure supplies ● with regard computer power supplies. 30. 39