IS 302 (Part 1): 2008 Safety of household and similar electrical appliances: Part 1 general requirements

The IS:302-1: 2008 standard, which aligns with the IEC 60335-1: 2001 standard, establishes general requirements for the safety of household and similar electrical appliances. Below is a summary of the key points:

Scope
The standard covers safety requirements for electrical appliances that operate with a voltage up to 250V for single-phase appliances and up to 480V for other appliances. It applies to household electrical equipment and similar applications, including appliances used in commercial settings, provided they pose no additional risks compared to household appliances.

General Conditions
• Safety Objectives: Ensure protection against electrical shock, fire hazards, excessive heat, radiation, and mechanical dangers during normal operation.
• Marking and Instructions: Appliances must have clear labels, including voltage, power ratings, and safety warnings, along with user instructions to ensure safe usage.
Protection Against Electric Shock
• Accessibility: The design must prevent users from coming into contact with live parts.
• Insulation: Double or reinforced insulation is required to safeguard users from electrical hazards.
Protection Against Mechanical Hazards
• The appliance should be designed to avoid mechanical risks (e.g., sharp edges, moving parts), particularly for parts that may come into contact with users during operation.

Protection Against Fire Hazards
• Materials: Components must be made of flame-retardant materials.
• Overheating Protection: Appliances should have protective devices to prevent overheating and potential fire hazards.
Resistance to Heat and Moisture
• Appliances must withstand high temperatures and moisture without deteriorating or creating additional hazards.
• Humidity Resistance: Testing ensures that the appliance can operate safely in environments with high moisture.
Stability and Mechanical Strength
• Appliances should not easily tip over, and they should be structurally stable under normal conditions of use.
• Tests must confirm the mechanical durability of the appliance’s design.
Protection Against Radiation, Toxicity, and Similar Hazards
• Any radiation, gas emissions, or toxicity generated by the appliance during normal operation must not pose health risks.
Supply Connection and External Flexible Cords
• Cords and plug assemblies must be durable and have sufficient mechanical strength to prevent electrical risks due to wear or damage.

Testing Methods
• Various tests are specified for evaluating electrical insulation, moisture resistance, overheating protection, and mechanical stability.
• The appliance must continue to operate safely under abnormal conditions, such as over-voltage or short circuits.
Environmental Considerations
• The standard emphasizes the need for appliances to be safe even under extreme environmental conditions, such as high temperatures or damp environments.

Maintenance of Compliance
Manufacturers are required to maintain compliance with the standard throughout the appliance’s lifecycle, including during production, installation, and after any repairs.

This summary encapsulates the core safety principles of the IS:302-1: 2008 (IEC 60335-1) standard, which is designed to ensure the safety of household and similar appliances during both normal and abnormal operating conditions.

IS 302 (Part 1): 2008 Safety of household and similar electrical appliances: Part 1 general requirements

LISUN supplies the fully test solutions for the following IS 302 (Part 1): 2008 (IEC 60335-1: 2020), please see the below excel table:

IS:302-1: 2008 (IEC 60335-1: 2020) Clause and Subject	LISUN Model
Clause 8.1.1 IEC 61032 Standard Articulated Test Probe with 10N Thrust	SMT-02T10
Clause 8.1.2 Test Probe 13 with Cable with standard EN 61032	SMT-1213C
Clause 8.1.3 Test Probe 41 of IEC 61032 – Test Cone for Access Probes to Hazardous Hot or Glowing Parts	SMT-1241
Clause 11 Heating	TMPWS-010
Clause 12 Figure1/2/3/4 Leakage current and electric strength at operating temperature	MNTC-G2G3
Clause 14 Transient overvoltages Table6	SUG335
Clause 15.1.1 IP Waterproof test	JL-12/ JL-34/ JL-56 /JL-7
Clause 16.2 Leakage current	WB2675D
Clause 16.3 electric strength	WB2671B
Clause 19.11.4.1 ESD Simulator Guns	ESD61000-2
Clause 19.11.4.3 EFT Immunity Measurement	EFT61000-4
Clause 19.11.4.4 Surge test	SG61000-5
Clause 20.1 Stability	WDT-2
Clause 21.1 Mechanical strength	IK04
Clause 21.2 Figure7 Test Finger Nail for IEC 60335-1 Figure 8	SMT-335F7
Clause 21.11 IEC 61032 Unjointed Test Finger Test Probe 11	SMT-1211C
Clause 23.3 and 25.14 Figure 8 Flexing test apparatus,	SW-6
Clause 29.2 Annex N Proof tracking test apparatus	TTC-1
Clause 29.3.3 High temperature test	GW-225
Clause 30.1 Annex O Figure O.1 Ball pressure test	ZBP-T
Clause 30.2.1/2/3 Annex O Figure O.2 Glow wire test	ZRS-3H
Clause 30.2.4 Annex E Needle flame test	ZY-3
Clause 31 Salt Spray test	YWX/Q-010
Annex B Automatic Double-Arms Drop Test Machine	DT-60KG
Annex H 3 Position Plug Socket Switch Life Tester	CZKS-3 & DFX-40
Annex L Creepage Distance Ruler	CK-1