A lighting ballast is the heart of a fluorescent and high powered light bulb lighting system. Ballast help ignite bulbs which is what causes light to be produced. The ballast also manages current flow to the bulb to maintain a constant light output for us to use. Some ballast require ignitors to help kickstart the bulbs electrodes. Ignitors provide a short high voltage pulse which helps start the bulb and once the bulb is ignited the ballast takes over and keeps it on.

This Ignitor has a "120 Volt" Input Voltage. Only use compatible type bulbs "High Pressure Sodium or HPS" 

Measurements 2.50" Long x 1.25" Width x 1.25" Height.

Use the diagram on the Ignitor for wiring instructions. 

Always make sure power is off when working with electrical parts and fixtures.