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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.
A page may have one or many panels, and panels are frequently, but not always, [6] surrounded by a border or outline, [8] whose shape can be altered to indicate emotion, tension or flashback sequences. [9] The size, shape and style of a panel, as well as the placement of figures and speech balloons inside it, affect the timing or pacing of a ...
A panel painting is a painting made on a flat panel of wood, either a single piece or a number of pieces joined together. Until canvas became the more popular support medium in the 16th century, panel painting was the normal method, when not painting directly onto a wall ( fresco ) or on vellum (used for miniatures in illuminated manuscripts ).
A raised panel has a profile cut into its edge so that the panel surface is flush with or proud of the frame. Some popular profiles are the ogee , chamfer , and scoop or cove . Panels may be raised by a number of methods - the two most common in modern cabinetry are by coving on the tablesaw or the use of a panel raising cutter in a wood router ...
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 switchboard. Several manufacturers make switchboards used in industry, commercial buildings, telecommunication facilities, oil and gas plants, data centers, health care, and other buildings, and onboard large ...
For the record: 5:38 p.m. Jan. 31, 2023: An earlier version of this article said Mexico’s official languages were Spanish and Nahuatl.However, an official language is not established in the ...
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. The first semi-mechanical types of this design were installed in 1915 in Newark, New Jersey , and the last were retired in the same city in 1983.
A product resembling hardboard was first made in England in 1898 by hot pressing waste paper. [8] In the 1900s, fiber building board of relatively low density was manufactured in Canada.