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Fluorescent lampholders hold fluorescent tubes in place on a light fixture. Wires from the ballast plug into push-
Shunted lampholders for parallel ballasts hold up to two 18 AWG wires, are connected together internally, and connect to both sides of the lampholder socket.
In the diagram below (2 lamp parallel ballast), the individual blue wires connect from the ballast to each of the lampholders on one side of each lamp.
The common red wire connects from the ballast to both of the lampholders on the other side of each lamp. An additional red wire connects the two common side lampholders together.
2 Lamp Parallel Ballast Wiring Diagram using Shunted Lampholders
Lampholders for series ballasts each hold four 18 AWG wires. The two push-
In the diagram below, the individual blue wires connect from the ballast to push-
The common yellow wires connect from the ballast to push-
Grasp the wire and twist it (rotate) while gently pulling on the wire until it comes out. If not done properly, the wire could break off before it becomes unseated from the connector.
2 Lamp Series Ballast Wiring Diagram using Non-
2 Lamp Parallel Ballast Wiring Diagram using Non-