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How To Replace 4 Lamp Series with Parallel Ballast

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Replace 4 Lamp Series with Parallel Ballast Wiring Diagram

Replace 4 Lamp Series with Parallel Ballast Wiring Diagram

Factory wiring

4 lamp series magnetic ballasts should be replaced with a 4 lamp parallel electronic ballast. Each lampholder has four separate connections.

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

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

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

After 4 Lamp Series Ballast is Replaced

After 4 Lamp Series Ballast is Replaced