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

PROJECT 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 OUTLINE

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