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- Low Pressure Sodium Lamp Ballast - ANSI L74
- Input Watt: 180
- Input Voltage: 120-277v
- 60Hz
- Includes Dry Film Capacitor
This ballast runs the SOX180 lamp.
http://www.ballastshop.com/71a0790500d-advance-135w-180w-lps-ballast-kit.html ; http://www.usa.lighting.philips.com/pwc_li/us_en/connect/assets/additional-literature/lps/71A0790.pdf