50 Watt S68 High Pressure Sodium 120V Ballast Kit No USPS making it ideal for use

making it ideal for use in enclosed luminaires

Sylvania Lighting Metal Halide Bulb Warranty

SYLVANIA remains at the forefront of energy-efficient H

Advance Ballast 71A7971-001D

Voltage 120 Volt UPC 890949002612 Lamp Type 35W High Pressure Sodium (HPS) ANSI Designation S76 Dimensions 2

50 Watt S68 High Pressure Sodium 120V Ballast Kit No USPS making it ideal for useHPS Ballast Cross Reference: Advance Ballast 71A7807 Sylvania Ballast LU50 120R Keystone HPS 50R 1 KIT MagneTek 1233 35U Venture V90B1120 High Intensity Discharge (HID) lamps require a ballast to apply starting voltage to the lamp and establish current flow an arc between the lamp electrodes. Without a ballast, the arc will extinguish or draw increasing current until some circuit element burns up. Ballasts provide system stability by limiting the