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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.
Circuit breakers with higher ratings can have adjustable trip settings, allowing fewer standardized products to be used, adjusted to the applicable precise ratings when installed. For example, a circuit breaker with a 400 ampere frame size might have its over-current detection threshold set only 300 amperes where that rating is appropriate.
Circuit breakers and switches enable the substation to be disconnected from the transmission grid or for distribution lines to be disconnected. Transformers step down transmission voltages, 35 kV or more, down to primary distribution voltages. These are medium voltage circuits, usually 600–35 000 V. [1]
A set of pole-top fusible cutouts with one fuse blown, protecting a transformer - the white tube on the left is hanging down Fuses are used on power systems up to 115,000 volts AC. High-voltage fuses are used to protect instrument transformers used for electricity metering, or for small power transformers where the expense of a circuit breaker ...
Angie's List and NBC Bay Area both highlighted an October 2002 ruling in a New Jersey Superior Court, which found that FPE (Federal Pacific Electric), the manufacturer of the Stab-Lok breakers and panels, "knowingly and purposefully [sic] distributed circuit breakers which were not tested to meet UL standards as indicated on their label".
Following General Electric Theater ' s cancellation in 1962, the series was replaced in the same time slot by the short-lived GE-sponsored GE True, hosted by Jack Webb. On March 17, 2010, General Electric presented Reagan's widow Nancy Davis Reagan with video copies of 208 episodes of General Electric Theater , to be donated to the Ronald ...
The Great War channel produces a number of different types of content, the main feature being a weekly recap of the war that corresponds to the events of the same week 100 years prior. The events presented are also summarized quarterly in their own videos. The channel also presents other segments such as:
They were taken up by Hazel Poa and Leong Mun Wai for achieving the best-performing non-elected result of any opposition slate, which was confirmed on 14 July. [153] For the second consecutive election, the PAP safe seat of Jurong GRC saw the best result of the PAP, or any party, in any constituency in the election, with 74.62% of the vote.