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1 Lamp Series Ballast 2 1 Lamp Series to 2 Lamp Parallel Lampholder Wiring Diagram 1 Lamp Series to 2 Lamp Parallel Lampholder Wiring Diagram 2

How to Replace 1 Lamp Series Ballast with 2 lamp Parallel

A 1 lamp series ballast can be hard to find, but it can be replaced with a 2 lamp parallel ballast. Here is how a 2 lamp ballast is wired to a 1 lamp fixture.

1 Lamp Series Ballast

Factory wiring

 Replacement 2 Lamp Parallel Ballast Wiring Diagram

Ballast wire colors can vary depending on the type of ballast or country of origin. Below are the same diagrams with different wire colors. The ballast from this example is from a desk lamp.

Factory wiring

After 1 Lamp Series Ballast is Replaced with a 2 Lamp Parallel Ballast

2 Individual wires, 1 common wire

After 1 Lamp Series Ballast is Replaced with a 2 Lamp Parallel Ballast

2 Lamp Parallel Ballast Wiring Diagram

Replace Ballasts

Replace 2 Lamp Parallel Ballast

Replace 3 Lamp Parallel Ballast

Replace 4 Lamp Parallel Ballast

Replace Series Ballast with Series

Replace 1 Lamp Series Ballast with 2 Lamp Series

Replace 1 Lamp Series Ballast with 2 lamp Parallel

Replace 2 Lamp Series Ballast with Parallel

Replace 2 Lamp Series Ballast with Parallel 2

Replace Two 2 Lamp Series Ballast with Parallel

Replace 3 Lamp Series Ballast with Parallel

Replace 4 Lamp Series Ballast with Parallel

Direct-Wire Dual-Ended LED Tube Lights

Direct-Wire Single-Ended LED Tube Lights

1 Lamp Series Ballast Lampholder Diagram