switch control relay
31Fire alarm control panel — A fire alarm control panel (FACP), also called a fire alarm panel. Technicians usually refer to the FACP as the panel. A fire alarm control panel is the central control device that receives information from input devices (smoke detectors, heat… …
32Lightning Switch — is a wireless and batteryless remote control switch technology manufactured by PulseSwitch Systems, a member of The Face Companies group of Norfolk, Virginia USA. It is most commonly used as a wireless light switch. Energy harvesting The… …
33Integrated Electronic Control Centre — centres, although variations exist around the world. Up to 2005, an aggregate of 140 operational years of reliable service had been achieved overall.It consists of an operator’s workstation with a series of VDU/LCD displays which depict the… …
34Numerical control — CNC redirects here. For other uses, see CNC (disambiguation). A CNC Turning Center …
35HVAC control system — A HVAC control system is a computerized control system for climate control in buildings. Stand alone control devices may be pneumatic or electronic. Some may have microprocessors, but to be considered a control system for the context of this… …
36Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …
37Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
38Railway switching networks — General PurposeRailway centralization is designed for controlling all the switches and signals within a railway station or its area. Control of the system is exercised from a single point. Rail circuits work as sensors (monitoring the traffic on… …
39Control4 — is a company located in Salt Lake County, Utah, that manufactures home theater and automation controllers, and which are branded and sold under the same name. Its primary product is a Linux based appliance dubbed a Home Controller which manages… …
40Capacitor — This article is about the electronic component. For the physical phenomenon, see capacitance. For an overview of various kinds of capacitors, see types of capacitor. Capacitor Modern capacitors, by a cm ruler Type Passive …
