
8. Basic Impulse Level (BIL)
9. Temperature Rise Rating
10. Ambient Temperature Rating
11. Service: Indoor or outdoor
12. Insulation Type: Dry liquid-immersed, gas-filled
13. Termination Type and Location
14. Sound Level Requirements
15. Cooling Requirements: Self-cooling or forced-cooling w/fans, oil-water heat exchanger
or forced-air cooling
16. Surge Arrester: High-voltage and/or low-voltage terminations
17. Alarm Devices: Pressure-vacuum, pressure-relief, liquid-level, temperature, rapid pres-
sure rise
18. Gauges: Liquid-level, thermometer, pressure-vacuum, pressure-relief, hot-spot indicator,
shipping shock indicator
19. Winding Material: Copper or