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2. 3-way lamp - Wikipedia

   en.wikipedia.org/wiki/3-way_lamp

   A 3-way lamp, also known as a tri-light, is a lamp that uses a 3-way light bulb to produce three levels of light in a low-medium-high configuration. A 3-way lamp requires a 3-way bulb and socket, and a 3-way switch. In 3-way incandescent light bulbs, each of the filaments operates at full voltage. Lamp bulbs with dual carbon filaments were ...

3. Multiway switching - Wikipedia

   en.wikipedia.org/wiki/Multiway_switching

   Electrical installations. In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load from more than one location. A common application is in lighting, where it allows the control of lamps from multiple locations, for example in a hallway, stairwell, or large room.

4. Series and parallel circuits - Wikipedia

   en.wikipedia.org/wiki/Series_and_parallel_circuits

   If the light bulbs are connected in parallel, the currents through the light bulbs combine to form the current in the battery, while the voltage drop is 12 volts across each bulb and they all glow. In a series circuit, every device must function for the circuit to be complete. If one bulb burns out in a series circuit, the entire circuit is ...

5. File:3-way switches position 3.svg - Wikipedia

   en.wikipedia.org/wiki/File:3-way_switches...

   Description 3-way switches position 3.svg. English: One of four positions for a two-location setup for turning a light on and off. Date. 17 July 2007. Source. Own work in Inkscape. Light bulb taken from Image:Incandescent light bulb (no labels).svg. Author. en:User:Cburnett; light bulb by User:Fastfission.

6. Lighting control system - Wikipedia

   en.wikipedia.org/wiki/Lighting_control_system

   A lighting control system incorporates communication between various system inputs and outputs related to lighting control with the use of one or more central computing devices. Lighting control systems are widely used on both indoor and outdoor lighting of commercial, industrial, and residential spaces. Lighting control systems are sometimes ...

7. Electrical wiring - Wikipedia

   en.wikipedia.org/wiki/Electrical_wiring

   Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets, and light fittings in a structure. Wiring is subject to safety standards for design and installation. Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric ...