INTRODUCTION FOR INTERNATIONAL STANDARD IEC 60335-1-2020-EDITION 6.0 TRAINING
This part of international standard IEC 60335-1-2020 Edition 6.0 has been prepared by IEC technical committee 61: Safety of Household and similar electrical appliances
COURSE OBJECTIVES
To enhance knowledge and skills in the following areas:
- Able to understand the international standard IEC60335-1-2020 clauses.
- Know all about household and similar electrical appliances safety
- Understand the general requirements of household electrical appliances
- Know general test requirements
- Understand the safe working voltages
- Know all about household appliances earthing
- Know all working principles of household appliances
WHO SHOULD ATTEND
Supervisors, Engineers, Technicians, Sales people
WORKSHOP METHODOLOGY
Participants will be involved in 50% lectures and 50% group and team discussions, and exercises.
Selected video clips will be shared to enhance the learning
TRAINING DURATION
1 day (9.00 am to 5.00 pm)
COURSE CONTENT
DAY 1
Morning Session: 9.00 am to 12.30 pm
• Scope
• Definitions
• General requirement
• General conditions for the tests
• Classification
• Marking and instructions
• Protection against access to live parts
• Starting of motor-operated appliances
• Power input and current
• Heating
• Void
• Leakage current and electric strength at operating temperature
• Transient over voltages
• Moisture resistance
• Leakage current and electric strength
• Overload protection of transformers and associated circuits
• Endurance
• Abnormal operation
• Stability and mechanical hazards
• Mechanical strength
• Construction
• Internal wiring
• Components
• Supply connection and external flexible cords
Afternoon Session: 1.30 pm to 5.00 pm
• Terminals for external conductors
• Provision for earthing
• Parts of an earthing terminal
• Screws and connections
• Clearances, creepage distances and solid insulation
• Resistance to heat and fire
• Resistance to rusting
• Radiation, toxicity and similar hazards
• Routine tests
• Appliances powered by rechargeable batteries
• Specified operating region of a lithium-ion cell during charging
• Examples of battery-operated appliance constructions and application
• Ageing test on motors
• Thermal motor protectors
• Needle flame test
• Capacitors
• Safety isolating transformers
• Switches
• Motors having basic insulation that is inadequate for the rated voltage of the appliance
• Coated printed circuit boards
• Overvoltage categories
• Guidance for the measurement of clearances and creepage distances
• Sequence of tests for the evaluation of electronic circuits
• Constructions of cord anchorages
• Summary
• Training evaluation
