Distribution board
A distribution board (also known as panelboard, 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 switch, and in recent boards, one or more residual-current devices (RCDs) or residual current breakers with overcurrent protection (RCBOs) are also incorporated.
| Electrical installations |
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| Wiring practice by region or country |
| Regulation of electrical installations |
| Cabling and accessories |
| Switching and protection devices |
In the United Kingdom, a distribution board designed for domestic installations is known as a consumer unit.
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