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Definition of "switchboard" |
A large single panel, frame, or assembly of panels on which are mounted on the face, back, or both, switches, overcurrent and other protective devices, buses, and usually instruments. Switchboards are generally accessible from the rear as well as from the front and are not intended to be installed in cabinets. An assembly of switchgear with or without instruments, but the term does not apply to groups of local switches in final circuits. / A large single panel, frame, or assembly of panels on which are mounted on the face, back, or both, switches, over-current and other protective devices, buses, and usually instruments. Switchboards are generally accessible from the rear as well as from the front and are not intended to be installed in cabinets. An assembly of switchgear with or without instruments, but the term does not apply to groups of local switches in final circuits. / An installation for the manual control of telephone connections in an office, hotel, or other large building. / Least cost routing calls by using a smart-box or a four digit code to an alternative provider. / literally, a large panel or board upon switches were mounted in early electrical systems. |
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