Guild PAT Test Paper 1

1. What is defined as basic insulation?

2. What is defined as a ‘risk assessment’ in the IET Code of Practise for in-service inspection and testing of Electrical Equipment?

3. Which class of equipment is defined as including a means for the connection of exposed-conductive-parts to a protective conductor?

4. Which device is intended to limit transient overvoltage’s?

5. What is the legal requirement regarding basic health and safety relating to electrical equipment?

6. What publication is non-statutory?

7. Who is defined as a ‘competent person’ as required by EAWR?

8. What range of operating voltages does the EAWR cover? 

9. Which is given in the IET Code of Practice for In-Service inspection and Testing of Electrical Equipment as a medium risk in relation to a risk assessment for equipment used in a loading bay?

10. What regulation requires an employer to ensure a power drill, they provide, is safe to use?

11. Which SI unit is frequency measured in?

12. Which is the largest value of Amperes?

13. Which value is the equivalent of 1MΩ?

14. Which system protects equipment by electrically isolating the circuit, from earth and uses an extra-low voltage supply?

15. How may a Class II item of equipment protect against electric shock?

16. What is the purpose of a protective conductor connected to an item of Class I equipment?

17. What is the recommended addition requirement where a 25 m extension lead is to be used?

18. How does Class III equipment protect against electric shock?

19. Which symbol identifies a item of electrical equipment using electrical separation as protective measure?

20.Which must be provided, in addition to basic protection, to provide protection against electric shock for an item of Class I equipment?

21. What construction classification does this symbol below represent?

22.When must user checks be undertaken?

23. How can user feedback be helpful, to an inspector, during formal inspection and test?

24. Which must not be expected in the manufacturer’s instructions for a toaster?

25. Why do formal visual inspections, of electrical equipment, need to be carried out?

26. Which Class of equipment is most likely to require an increased frequency of combined inspection and testing?

27. Why is it advisable to carry out a user check on a new piece of equipment before it is put into use?

28. What degree of protection does IPX4 signify?

29. What is the symbol in Figure 1?

Figure 1

30. When is the formal functional check required on an item of equipment?

31. Which instrument would be used to test the protective conductor continuity of an extension lead?

32. What action should be taken if an item of equipment is not suitable for its environment?

33. Which actions are necessary, after a fixed item of equipment has been isolated, before testing can commence?

34. An item of equipment is to be safely isolated.

Which conductors must be tested between for the absence of a voltage to ensure safe isolation?

35. Which item of 230 V equipment would always require a polarity check?

36. A 1.5mm² protective conductor within a 25m long extension lead is to be tested for continuity. What is the maximum measured resistance to be expected at 20⁰C?

37. What does the HSE publication GS38 apply to?

38. Which is the most important reason to register electrical products with the manufacturer?

39. Which Class of equipment may require a protective conductor current test?

40. What is the colour of the plug for a power tool used with a 110 V RLV socket-outlet on a construction site?

41. Why are functional checks carried out, as part of a formal inspection and testing , as given in the IET Code of Practice for in-Service Inspection and Testing of Electrical Equipment?

42. Which code indicates that a luminaire is suitable to be installed outside?

43. Why should USB ports and leads be included in inspection and testing?

44. What is the minimum acceptable value of insulation resistance for a piece of Class II equipment?

45. What is the maximum disconnection time of an RCD to BS EB 61008 when tested at 1 x I_ΔN?

46. During annual testing, on a Class II item of equipment, the following results have been recorded each year?

>20 MΩ

>20 MΩ

18 MΩ

12 MΩ

The current result is 3MΩ.

What is the most  suitable action for the inspector to take?

47. What should be done when equipment is removed from service due to damage?

48. An item of equipment was unable to be located despite being listed on the equipment register.

What action must be taken?

49. Why should equipment be checked against the asset register before inspection and testing?

50. Why should an entry be made on the asset register after equipment inspection and testing?