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Factory wiring
This ballast could be replaced with a 2 lamp T8 instant start electronic ballast.


This diagram shows a variation of a 2 lamp rapid start ballast wiring one of our readers encountered.
Replace 1 Lamp Rapid Start with 2 Lamp Instant Start
Replace 1 Lamp Rapid Start with 2 Lamp Rapid Start
Replace 2 Lamp Rapid Start with Instant Start
Replace Alternate 2 Lamp Rapid Start with Instant Start
Replace 3 Lamp Two Instant Start with One Instant Start
Replace 3 Lamp Rapid Start with Instant Start
Replace 3 Lamp Two Rapid Start with One Instant Start
Replace 3 Lamp Programmed Start with Instant Start
Replace 3 Lamp Programmed Start with Rapid Start