House Wiring Drawing Symbols

By | March 10, 2015



All You Need to Know About House Wiring Drawing Symbols



Have you ever been curious about the symbols and diagrams used for drawing for house wiring? These symbols, found in schematics, offer a unique insight into the inner workings and architecture of complex electrical systems. Understanding their meaning can provide an easier way to design or troubleshoot existing electrical wiring. Here's all the information you need to know about house wiring drawing symbols.

House wiring drawings are made up of a series of symbols and diagrams that show the locations, layouts, and components of an electrical system. Each symbol has its own specific meaning, helping professionals in the industry to identify the components and connections within a system. It also helps them determine which components must be added, replaced, or removed to create a functional structure. House wiring drawing symbols can be broken down into several categories, including switches, relays, lighting, and power sources. This article will explore each of these categories in more detail, to help you better understand the symbols you may encounter when dealing with your home's electrical wiring.

Switches



The main symbol associated with a switch is a rectangle surrounded by a line, which represents the switch itself. The lines extending from the rectangle on either side represent the wires connected to the switch. You may also see a curved arrow inside the rectangle, which indicates that the switch can be moved or rotated. As far as residential house wiring goes, switches are used to control the flow of electricity to different components. Common switches include light switches, power outlets, and fan switches.

Relays



Relays are used to control the flow of electricity within a house wiring system. They are represented by a circled figure with two lines extending from it. The lines represent the wires connected to the relay, and the circle represents the relay itself. Relays are most often used in conjunction with switches, allowing for controlled and automated switching of electrical loads.

Lighting



Lighting is another important part of any house wiring drawing. Lighting is represented by a circle with an intersecting line in the middle. This symbol stands for a lamp, usually an incandescent lighting bulb. Along with the symbol for the lamp, there will also be a symbol for the fixture it is attached to. A light fixture symbol is typically a square with a line connecting the upper left corner to the lower right corner.

Power Sources



Finally, power sources are represented by a symbol that resembles a battery. This symbol typically looks like two vertical rectangles connected by a horizontal one. It is used to indicate the source of power for the electrical system. In a home, this could be a wall outlet, an extension cord, a breaker panel, or a generator.

Understanding the symbols used in house wiring drawings can help make the process of designing or repairing electrical systems much easier. By being familiar with the symbols and diagrams used, you can quickly identify which components must be connected and how they should be configured.


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