Swap Terminals on Non-Shunted Lampholders- Electrical 101
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Wires connected to each side of a non-shunted lampholder can be swapped with the other side of the same lampholder.

In the first example below, notice the wires on the lower right lampholder pins.

In the second example below, the lower right lampholder terminals are swapped. Either wiring configuration will work.

Swap Terminals on Non-Shunted Lampholders

After Swapping Terminals

After Swapping Terminals

Swap Terminals on Non-Shunted Lampholders Diagram

Swap Terminals on Non-Shunted Lampholders Diagrams

Fluorescent Ballasts

Ballast Wiring

Parallel Ballast Wiring

Series Ballast Wiring 1 to 3 Lamps

Series Ballast Wiring 4 Lamps

Dimming Ballast Wiring

CFL Ballast Wiring

Emergency Ballasts

Fluorescent Lampholders

Fluorescent Lampholder Wiring

Parallel Ballast Lampholder Wiring

Series Ballast Lampholder Wiring 2 and 4 Lamps

Series Ballast Lampholder Wiring 3 Lamps

Swap Terminals on Non-Shunted Lampholders