Pat Exam 1

01. Which one of the Electricity at Work Regulations contains requirements relating to the ‘Strength and Capability of Electrical Equipment’? 

02. Which one of the following d.c. voltages, between conductors and earth is the maximum value converted in the scope of the IET Code of Practice for In-service Inspection and Testing of Electrical Equipment? 

03. The Health and Safety at Work Act places a duty of care on both the employer and employee to ensure the safety of 

04. Which one of the following requires the employer to make a suitable and sufficient assessment? 

05. Which of the following regulations states; ‘Every employer shall ensure that the work equipment is so constructed or adapted as to be suitable for the purpose for which it is used or provided’? 

06. Which of the following situations is not covered by the scope within the IET Code of Practice for Inspection and Testing of Electrical Equipment? 

07. Which of the following gives the correct two tests that are measured in ohms? 

08. The unit of frequency is measured in 

09. Which of the following values is equal to 30 mA? 

10.  Which equipment type is a mains powered telecommunications equipment? 

11. Which of the following equipment type is a hedge cutter? 

12. The term ‘equipment classification’ relates to 

13. Which of the following items is identified by the symbol shown? 

14. Energy Source ES1 has a limit of voltage of? 

15. Equipment fed from a SELV source as indicated in the figure will 

16. The maximum operating voltage for an item of electrical equipment having the construction mark shown will be 

17. An item of equipment classified as IP 33 is 

18. An appliance lead is 1.5 m in length and has a csa of 1.00 mm². The resistance of the earth conductor at a temperature of 20°C is 

19. When measuring earth continuity, longer appliance lead sets will have, when compared to shorter cord sets 

20. Portable equipment used outdoors is required to have RCD protection with a device having a residual operating current not exceeding 

21. Before using an item of electrical equipment, it is recommended that the user 

22. Which one of the following types of equipment in shops and offices is considered the most likely to develop dangerous faults? 

23. Equipment in which protection against electric shock relies on supply from ES1 and in which ES3 is not generated is classified as: 

24. Which of the following is not a consideration when deciding on the frequency of in-service inspection and testing of equipment? 

25. Guidance on the first inspection and test period can be found in what document 

26. A 15 m extension lead using flexible cable having a core area of 1.25 mm² should be protected by a  

27. A test meter used to carry out continuity testing should have a resolution of 

28. When inspecting a standard 13 A plug, the fuse must be connected to the conductor coded 

29. A 500 V d.c. test would be applied to an item of Class I equipment in order to verify 

30. Where equipment may be damaged by measurement of insulation resistance by recommended voltage. The test that could replace the above is 

31. Test equipment used for portable appliance testing must be 

32. Which one of the following is a recommended method of ensuring test instrument accuracy? 

33. Which of the following is the resistance of a 2.5 mm² protective conductor at a temperature of 20°C having a length of 15 m? 

34. Which of the following is the resistance of a 1.25 mm² protective conductor at a temperature of 20°C having a length of 10 m? 

35. The recommended maximum value of current when carrying out a high test current for earth continuity test is 

36. The minimum acceptable value of measured insulation resistance for an earthed metallic electric fire of rating 2 kW is 

37. Prior to applying insulation resistance tests to electrical equipment, the 

35. A touch current measurement is to be carried out on a Class II appliance. The maximum acceptable value is 

39. Which of the following would require a polarity test? 

40. Which one of the following can be established when carrying out a functional test on a Class I electric heater? 

41. Which one of the following is the maximum permissible disconnection time for an RCD to BS EN 61008, when tested at 100% of the rated residual operating current? 

42. When testing microwave ovens, a functional check should ascertain that opening the door results in 

43. An earth continuity test is to be carried out on a Class I portable appliance with a supply cable. The resistance measured must not exceed 

44. A convector heater has a power rating of 2.3kW, how much current with the heater draw when connected to the UK mains supply 

45. Which one of the following has the highest value of resistance? 

46. An earth continuity measurement is carried out on an item of Class I equipment with a flexible cord which is flexed at the point of entry to the plug. During this test, the resistance varies between 0.45 Ω and 0.8 Ω. A possible cause for this result could be a  

47. Over four consecutive six monthly tests carried out on an industrial floor scrubber, the following earth continuity readings were recorded

Test 1 – 0.012Ω 
Test 2 – 0.013Ω 
Test 3 – 0.016Ω 
Test 4 – 0.019Ω 
The most likely reason for the increase in resistance could be 

48. An item of equipment that does not pass an in-service inspection and test should have a label fitted stating 

49. During inspection and tests, equipment is found to be unsuitable for the use, location, or environment in which it is employed. It must therefore be 

50. Where formal visual inspections are carried out, the results