Understanding Electrical distribution board
A distribution board (also known as panelboard, circuit breaker panel, breaker panel, electric panel, fuse box or DB box) is a component of an electricity supply system that divides an electrical power feed into subsidiary circuits while providing a protective fuse or circuit breaker for each circuit in a common enclosure. Normally, a main.
North American distribution boards are generally housed inenclosures, with thepositioned in two columns operable from the front. Some panelboards are provided with a door covering the breaker.
Despite the adoption of a standardfor mounting and a standard cut-out shape for seemingly interchangeable breakers, the positions of busbar connections and other features are not standardized. Each manufacturer has one or more "systems", or kinds of breaker.
In a theatre, a specialty panel known as arack is used to feed stage lighting instruments. A U.S. style dimmer rack has a 208Y/120 volt 3-phase feed. Instead of just circuit breakers, the rack has a solid state electronic dimmer with its own circuit breaker for each stage circuit.
This picture shows the interior of a typical distribution panel in the United Kingdom. The three incoming phase wires connect to the busbars via a main switch in the centre of the panel.On each side of the panel are two , for neutral and earth.The incoming neutral connects to the.
For reasons ofand security, domestic circuit breaker panels and consumer units are normally located in out-of-the-way , , , or , but sometimes they are also featured as part of the aesthetic elements of a building (as an art installation, for.
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