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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.
Also, the size of the aluminum wire needs to be larger compared to copper wire used for the same circuit due to the increased resistance of the aluminum alloys. For example, a 15 A branch circuit supplying standard lighting fixtures can be installed with either #14 AWG copper building wire or #12 AWG aluminum building wire according to the NEC ...
Model railway gauges are covered in rail transport modelling scales. Train with model Southern Railway Schools class. Triple-gauge pointwork (3 + 1 ⁄ 2 in, 5 in, and 7 + 1 ⁄ 4 in) on the Orchid Line. The upper right branch does not include the 3 + 1 ⁄ 2 in gauge
In terms of model railway operation, gauge 3 is the largest (standard gauge) scenic railway modelling scale, using a scale of 13.5 mm to the foot. The Gauge '3' Society represents this aspect of 2 + 1 ⁄ 2-inch gauge railway modelling with both electric and live steam operation. Gauge '3' corresponds to NEM II scale, also known as "Spur II" in ...
On February 16, 2015, the NEDA board, chaired by President Aquino, approved the NSCR Phase 1 as part of the North–South Railway Project (NSRP). [ 65 ] [ 66 ] The NSCR, a part of the NSRP north line's first phase, was a 37-kilometer (23-mile) electrified narrow gauge commuter railway from Tutuban to Malolos, funded through overseas development ...
The PNR South Long Haul, also known as the PNR Bicol, was a proposed inter-city rail line project in southern Luzon, Philippines. [1] It is part of the larger Luzon Rail System, [2] a network of long-distance standard-gauge lines being built by the Philippine National Railways throughout Luzon.
A broad-gauge railway is a railway with a track gauge (the distance between the rails) broader than the 1,435 mm (4 ft 8 + 1 ⁄ 2 in) used by standard-gauge railways.. Broad gauge of 1,520 mm (4 ft 11 + 27 ⁄ 32 in), more known as Russian gauge, is the dominant track gauge in former Soviet Union countries (CIS states, Baltic states, Georgia, Ukraine) and Mongolia.
The PNR Metro Commuter Line was a commuter rail line operated by the Philippine National Railways.It was first inaugurated as the Metro Manila Commuter Service in 1970, and originally served the North Main Line and the South Main Lines, as well as the defunct Carmona and Guadalupe branch lines.