SECTION 110.11 – MANDATORY REQUIREMENTS FOR ELECTRICAL POWER DISTRIBUTION SYSTEM

Certification by Manufacturers. Any electrical power distribution system equipment listed in this section may be installed only if the manufacture has certified to the Commission that the equipment complies with all the applicable requirements of this section.

(a) Low-voltage dry-type distribution transformer shall be certified by the Manufacturer as required by the Title 20 Appliance Efficiency Regulations.

1. autotransformer

2. drive (isolation) transformer

3. grounding transformer

4. machine-tool (control) transformer

5. nonventilated transformer

6. rectifier transformer

7. regulating transformer

8. sealed transformer

9. special-impedance transformer

10. testing transformer

11. transformer with tap range of 20 percent or more

12. uninterruptible power supply transformer

13. welding transformer.