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2. Distribution board - Wikipedia

   en.wikipedia.org/wiki/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.

3. Electric switchboard - Wikipedia

   en.wikipedia.org/wiki/Electric_switchboard

   A low-voltage switchboard A modern electric switchboard. An electric switchboard is a piece of equipment that distributes electric power from one or more sources of supply to several smaller load circuits. It is an assembly of one or more panels, each of which contains switching devices for the protection and control of circuits fed from the ...

4. Electrical room - Wikipedia

   en.wikipedia.org/wiki/Electrical_room

   Electric switchboards; Distribution boards; Circuit breakers and disconnects; Motor control centers; Transformers; Busbars; Electricity meters; Backup batteries in a Battery room; Fire alarm control panels; Distribution frames; In large building complexes, the primary electrical room may house an indoor electrical substation.

5. Electrical wiring - Wikipedia

   en.wikipedia.org/wiki/Electrical_wiring

   Electrical symbols for wiring [vague]. Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets, and light fittings in a structure.

6. NEMA enclosure types - Wikipedia

   en.wikipedia.org/wiki/NEMA_enclosure_types

   Below is a list of NEMA enclosure types; these types are further defined in NEMA 250- Enclosures for Electrical Equipment. Each type specifies characteristics of an enclosure, but not, for example, a specific enclosure size.

7. Panel switch - Wikipedia

   en.wikipedia.org/wiki/Panel_switch

   Panel switch district selector frame at the Connections Museum in Seattle. The Panel Machine Switching System is a type of automatic telephone exchange for urban service that was used in the Bell System in the United States for seven decades.

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Busbar - Wikipedia

   en.wikipedia.org/wiki/Busbar

   Copper busbar in a panel 1500 ampere copper busbars within a power distribution rack for a large building. In electric power distribution, a busbar (also bus bar) is a metallic strip or bar, typically housed inside switchgear, panel boards, and busway enclosures for local high current power distribution.