the door bell transformer is typically located in the main entry closet. The doorbell transformer symbol refers to the low voltage transformer or power supply which provides the voltage for the door bell system of the home. The doorbell chime symbol refers to the location inside the home where the door bell chime is located and is typically found mounted high on an interior wall. The doorbell button symbol refers to one or more entry locations to the home, and is typically found at the main front entry door of the home. The television symbol refers to a TV jack which may be connected to an external TV antenna or to a centrally located TV coax splitter which connects to a video system or a source for a Cable TV service provider. The stereo outlet symbol typically refers to an outlet where audio connections are provided to connect to a centrally located stereo music or audio unit. The telecom symbol refers to an outlet that is used for devices such as a telephone computer data connection. Smoke detectors are commonly found in habitable rooms such as bedrooms, hallways and stairways. The smoke detector symbol describes a device that is used to detect smoke and sound an alarm. Wiring Diagram Symbols for Signals and Communications

This listing of communication symbols and devices includes 120 volt, low voltage, alarm and signal devices. The listing includes a description of the commonly used devices that are represented by these communication symbols.

When performing any electrical wiring for any of these communication devices, you will be able to identify the type and location of the various devices from this list of communication symbols. This list of communication symbols will help you to identify these devices on the electrical blueprint or wiring diagram layout.

Autocad architecture electrical symbols