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How to Replace 4 Lamp Rapid Start Ballast with Instant Start

4 Lamp Rapid Start Ballast Diagram

Factory wiring

4 lamp rapid start magnetic ballasts should be replaced with one 4 lamp instant start electronic ballast. Each lampholder has four separate connections. Find 4 Lamp Instant Start Ballasts

1. Connect each of the individual blue wires from the instant start ballast to each pair of the lampholder individual wires (red and blue) of lamps 1 and 2.

2. Connect each of the individual red wires from the instant start ballast to each pair of the lampholder individual wires (red and blue) of lamps 3 and 4.

3. Connect one of the common yellow wires from the instant start ballast to the yellow pair of lampholder common wires of lamps 1 and 2. Connect the other common yellow wire from the instant start ballast to the yellow pair of lampholder common wires of lamps 3 and 4.

4 Lamp Series Ballast Wiring Diagram

4 Lamp Rapid Start Ballast Replaced with Instant Start Diagram

After 4 Lamp Series Ballast is Replaced