Distribution board

A distribution board is a component of an electrical system. It separates the power supply into several circuits in an enclosure. It provides each circuit with its protection system by using a fuse or circuit breaker.

Distribution Board Media

One type of UK distribution board.
Old Wylex standard consumer unit fitted with seven wire fuses (one fuse-way is not in use)
Hager consumer unit fitted with MCBs, one RCD, and one double-pole switch
Modern RCD Protection Consumer Dual Split-Load
A three-phase service drop enters through the side of this main service panel consisting of three 100 ampere fuses.
An American circuit breaker panel featuring interchangeable circuit breakers
Illustration of breaker numbering in a North American type panelboard. Some labels are missing, and some are additional. The numbers on the toggles indicate the rated amperage before tripping. The top right breaker (Rated at 100 A) feeds a sub panel.
Electrical panel and subpanel with cover removed from subpanel.
The internal wiring visible.
An older style fuse box of the variety used in the United States.

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