A Comprehensive Guide To Exit Sign Wiring Diagrams

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Exit signs are a crucial part of any building’s safety system and ensuring that they are properly wired is a vital part of any installation. To help with this process, exit sign wiring diagrams provide a visual representation of the connections that need to be made. This guide will help you understand and interpret the diagrams so you can complete your installation correctly.

What Are Exit Sign Wiring Diagrams?

Exit sign wiring diagrams are drawings that illustrate the connections needed to power an exit sign. They show the paths of the wires that connect the power source, such as a battery or transformer, to the exit sign itself. The diagrams also provide information on the specific wires that need to be used and the order in which they are to be connected.

How to Read Exit Sign Wiring Diagrams

The first step in understanding an exit sign wiring diagram is to familiarize yourself with the symbols used to represent each component. Typically, the diagram will show a battery, transformer, and the exit sign. There will also be lines connecting the components, which represent the path of the wires. Once you understand the symbols, you can then identify how the components are connected.

The diagrams will usually also include labels and arrows that indicate the direction of the current. For example, arrows pointing away from the power source indicate that the current is flowing out of the source and towards the exit sign. Additionally, the labels will indicate the type of wire used and the size of the wire.

Safety Considerations

When wiring an exit sign, it is important to take safety precautions to avoid electric shock or other injury. Be sure to use the correct wires for the job, and make sure to adhere to the specifications of the diagram. Also, make sure to wear protective gloves and eyewear when handling the wiring.


Exit sign wiring diagrams are a helpful tool for installing exit signs safely and correctly. By understanding the symbols and labels used in the diagrams, you will be better able to identify the connections that need to be made and the order in which they should be connected. Additionally, be sure to take all necessary safety precautions when handling the wiring.