UL 60335-2-24
Key Test Areas:
1. Flammable refrigerant safety
2. Motor-compressor performance under fault conditions
3. Temperature testing under normal and abnormal conditions
4. Mechanical strength of refrigeration circuits
5. Electrical insulation in humid operating conditions
UL 60335-2-21
Key Test Areas:
1. Pressure vessel integrity and hydrostatic testing
2. Thermostat accuracy and temperature limiting controls
3. Corrosion protection verification
4. Electrical heating element safety
5. Abnormal condition testing (dry-firing, over-temperature)
UL 60335-2-8
Key Test Areas:
1. Moisture resistance for use in wet environments
2. Blade and cutting element safety
3. Electrical insulation and creepage distances
4. Battery safety for rechargeable units
5. Overheating protection during extended use
UL 60335-2-4 / -2-7
Key Test Areas:
1. Mechanical safety for rotating parts
2. Water ingress protection
3. Motor overload and thermal protection
4. Door interlock and safety systems
5. Abnormal operation testing (drain blockage, imbalance)
UL 60335-1
Key Test Areas:
1. Protection against electric shock
2. Heating and temperature rise under normal operation
3. Abnormal and fault condition testing
4. Mechanical safety and stability
5. Marking and instruction requirements
Standard
ATJC is a leading third-party certification provider specializing in CSA and ETL compliance for the North American market. With extensive experience in product certification, we assist international buyers, importers, and manufacturers in ensuring their products fully comply with the stringent safety and regulatory standards of the U.S. and Canada.
Our expertise spans a wide range of electrical and industrial products, including power equipment, energy systems, and industrial components. ATJC manages the entire certification process—from initial requirements assessment and standards alignment to testing, evaluation, and final approval—ensuring accuracy, transparency, and efficiency at every stage.
With strong technical expertise and a structured service framework, we ensure every project is handled consistently, reducing compliance risk and enabling faster, smoother access to North American markets.
For certification inquiries or collaboration opportunities, contact us or submit your product information and technical documents to anteng20@antenglab.com to receive professional guidance and tailored solutions.
