1. Tech Topic Presentation Underwriters Laboratories Jeremy Searle 11-20-2003

2. Background Founded in 1894 Non-profit product safety testing and certification organization In 2002, 66,703 manufacturers produced 17 billion UL certified products The UL mark means that the product has been tested by UL and meets their requirements

3. There are many marks…

4. UL Listing Mark Meets UL’s safety requirements Meets Canadian safety requirements Meets US and Canadian safety requirements For general applications

5. Classification Mark Immersion suits Fire doors Protective gear for firefighters and industrial trucks Firestop devices Air filter units For Building Applications and Industrial Equipment

6. Recognized Component Mark Switches Power Supplies Printed Circuit Boards Some kinds of industrial control equipment For components that are part of a larger product

7. International EMC Mark Medical and dental equipment Computers Microwave ovens Televisions Radios Transmitters/RC equipment For electromagnetic compatibility requirements

8. EPH Mark Classified (ANSI/NSF compliant) Drinking water additives Food service equipment Meat and poultry plant equipment Listed UL’s own safety standards For Environmental and Public Health standards

9. Sanitation Mark Supplements the classified mark Optional Used on food service equipment For Environmental and Public Health standards

10. Field Evaluated Product Mark Very limited production (~10 per year) Site specific evaluation One of a kind systems For products already in the field

11. Management System Registration Mark The particular facility has passed UL’s management system standards ISO 9000 QS 9000 & TE Supplement ISO 14001 AS9000 TL 9000 For facilities

12. Argentina UL Mark Most electrical and electronic products “S” mark is required to be next to the UL mark For products entering Argentina

13. Brazil UL Mark Switches Voltage regulators Circuit Breakers Medical devices Electrical equipment for hazardous locations Both symbols are next to each other For products entering Brazil

14. Gas Fired Mark Heating Cooking equipment For gas fired appliances and equipment

15. Verified Performance Mark Certifies safety and performance Conforms to ISO/IEC 11801 and NEMA WC66 For telecommunications cabling

16. Source www.ul.com

17. Questions ?