UL 508A
Main coverage risks and testing items
1. Insulation & dielectric test
2. Bonding continuity test
3. Temperature rise test (critical)
4. SCCR verification (mandatory)
5. Clearance & creepage distance
6. Overcurrent/short-circuit protection review
7. Mechanical structure test
8. Flame retardancy & material test
9. Wiring & component review
10. Marking & documentation review
UL 508
Main coverage risks and testing items:
1. Insulation & dielectric test
2. Temperature rise test
3. Bonding continuity test
4. Overload & short-circuit test
5. Clearance & creepage distance
6. Mechanical life test
7. Flame retardancy & material test
8. Leakage current test
9. Terminal & wiring review
10.Marking & documentation review
NFPA 791
Main coverage risks and testing items:
1. Documentation & design review
2. Insulation & dielectric test
3. Bonding continuity & impedance test
4. Temperature rise test
5. Short-circuit & overload protection review
6. Clearance & creepage distance review
7. Leakage current test
8. Mechanical & environmental review
9.Marking & warning review
10.Sampling & batch evaluation
NFPA 79
Main coverage risks and testing items:
1. Emergency stop (mandatory)
2. Safety interlocks (mandatory)
3,.Grounding (mandatory)
4. Insulation & dielectric
5. Clearance & creepage
6. SCCR & short-circuit protection
7. Wiring practices
8. Temperature rise & materials
9. EMC & surge protection
10. Marking & documentation
NFPA 70
Main coverage risks and testing items:
1. Insulation & dielectric test
2. Grounding & bonding test
3. Temperature rise test
4. Overcurrent/short-circuit protection review
5. Clearance & creepage distance
6. Leakage current test
7. Flame retardancy & material test
8. Mechanical & environmental test
9. Marking & documentation review
SPE-1000
Main coverage risks and testing items
1. Six major safety risks: electric shock, energy hazard, fire, mechanical hazard, overheating, radiation.
2. Core tests: withstand voltage, leakage current, grounding impedance, temperature rise, abnormal operation, mechanical strength, fire prevention, moisture/dust prevention, impact, stability
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.
