IEC 60335-1 TRAINING HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – SAFETY – PART 1 GENERAL REQUIREMENTS

INTRODUCTION FOR IEC 60335-1 TRAINING HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – SAFETY – PART 1 GENERAL REQUIREMENTS

This part of international standard IEC 60335-1 Training – Household and similar electrical appliances – Safety – Part 1 (General Requirement) has been prepared by IEC technical committee for household electrical appliances but focus more towards Occupational and handling Safety.

LEARNING OBJECTIVE

To enhance knowledge and skills in the following areas:

1. Able to understand the international standard IEC60335-1 Safety clauses.
2. Know all about household and similar electrical fan appliances safety
3. Understand the general requirements of household electrical appliances
4. Know general test requirements criteria for electrical appliances and their safety
5. Know risk assessment criteria for electrical appliances
6. Understand the safe working voltages
7. Know all about household appliances earthing, grounding and electrical safety
8. Know all working principles of household appliances

WHO SHOULD ATTEND

Supervisors, Engineers, Technicians, Sales people

METHODOLOGY

Participants will be involved in 750% lectures and 25% group and team discussions, exercises.

Selected video clips will be shared to enhance the learning

COURSE CONTENTS

Day 1 Topics: 9.00am to 12.30pm

1. Pre Test Assessment – Household appliances safety and General requirements
2. Introduction to IEC 60335-1
   1. Household Electrical Appliances
   2. Part 1 – Safety and General Requirements
3. General conditions for the tests Classification
4. Marking and instruction
5. Protection against access to live parts
6. Starting of motor-operated appliances
7. Power input and current Heating Void
8. Leakage current and electric strength at operating temperature
9. Transcient over-voltages
10. Moisture resistance
11. Leakage current and electric strength
12. Overload protection of transformers and associated circuits Endurance
13. Abnormal operation
14. Stability and mechanical hazards
15. Mechanical strength Construction
16. Internal wiring
17. Components
18. Supply connection and external flexible cords
19. Terminals for external conductors
20. Provision for earthing
21. Screws and connections
22. Clearances, creepage distances and solid insulation
23. Resistance to heat and fire
24. Resistance to rusting
25. Radiation, toxicity and similar hazards.
26. Group exercises
27. Videos presentation – Enhancement learning

Day 2 Topics: 9.00am to 5.00pm

1. Annex A (informative) Routine tests
2. Annex B (normative) Appliances powered by rechargeable batteries
3. Annex C (normative) Ageing test on motors
4. Annex D (normative) Thermal motor protectors
5. Annex E (normative) Needle flame test
6. Annex F (normative) Capacitors
7. Annex G (normative) Safety isolating transformers
8. Annex H (normative) Switches
9. Annex I (normative) Motors having basic insulation that is inadequate for the rated voltage of the appliance
10. Annex J (normative) Coated printed circuit boards
11. Annex K (normative) Overvoltage categories
12. Annex L (informative) Guidance for the measurement of clearances and creepage distances
13. Annex M (normative) Pollution degree
14. Annex N (normative) Proof tracking test
15. Annex O (informative) Selection and sequence of the tests of clause 30
16. Annex P (informative) Guidance – Application of this standard to appliances used in warm damp climates
17. Annex Q (informative) Sequence of tests for the evaluation of electronic circuits
18. Annex R (normative) Software evaluation
19. Index of defined words
20. Figure 1 – Circuit diagram for leakage current measurement at operating temperature for single-phase connection of class II appliances
21. Figure 2 – Circuit diagram for leakage current measurement at operating temperature for single-phase connection of appliances, other than those of class II
22. Figure 3 – Circuit diagram for leakage current measurement at operating temperature for three-phase connection of class II appliances
23. Figure 4 – Circuit diagram for leakage current measurement at operating temperature for three-phase connection of appliances other than those of class II
24. Figure 5 – Void
25. Figure 6 – Example of an electronic circuit with low-power points
26. Figure 7 – Test finger nail
27. Figure 8 – Flexing test apparatus
28. Figure 9 – Constructions of cord anchorages
29. Figure 10 – An example of parts of an earthing terminal
30. Figure 11 – Examples of clearances
31. Figure I.1 – Simulation of faults
32. Figure L.1 – Sequence for the determination of clearances
33. Figure L.2 – Sequence for the determination of creepage distances
34. Figure O.1 – Tests for resistance to heat
35. Figure O.2 – Tests for resistance to fire
36. Table 1 – Power input deviation
37. Table 2 – Current deviation
38. Table 3 – Maximum normal temperature rises
39. Table 4 – Voltage for electric strength test
40. Table 5 – Characteristics of high-voltage sources
41. Table 6 – Impulse test voltage
42. Table 7 – Test voltages
43. Table 8 – Maximum winding temperature
44. Table 9 – Maximum abnormal temperature rise
45. Table 10 – Dimensions of cables and conduits
46. Table 11 – Minimum cross-sectional area of conductors
47. Table 12 – Pull force and torque
48. Table 13 – Nominal cross-sectional area of conductors
49. Table 14 – Torque for testing screws and nuts
50. Table 15 – Rated impulse voltage
51. Table 16 – Minimum clearances.
52. Table 17 – Minimum creepage distances for basic insulation
53. Table 18 – Minimum creepage distances for functional insulation
54. Table A.1 – Test voltages
55. Table C.1 – Test conditions
56. Conclusion
    1. Training Summary
    2. Post Test
    3. Training evaluation

“Unlock new opportunities by joining our training. Sign up now and invest in your future!“