Search results
Results from the WOW.Com Content Network
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 number of ground-level power supply systems were developed from the 1970s through the 1990s, [8] but were not reliable or safe enough for commercial use. [9] The first ground-level power supply system developed to modern safety standards was the Ansaldo Stream, [7] although a competing system, Alstom APS, was the first to be commercially ...
The MIM-104 Patriot is a mobile interceptor missile surface-to-air missile (SAM) system, the primary such system used by the United States Army and several allied states. It is manufactured by the U.S. defense contractor Raytheon and derives its name from the radar component of the weapon system.
Ground power unit that needs towing. A ground power unit (GPU) is a vehicle capable of supplying power to aircraft parked on the ground. [ 2 ] Ground power units may also be built into the jetway , making it even easier to supply electrical power to aircraft.
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
AOL Mail welcomes Verizon customers to our safe and delightful email experience!
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!
As a result, medical power supplies are designed to have low capacitance. [20] Class II appliances and power supplies (such as cell phone chargers) do not provide any ground connection, and are designed to isolate the output from input. Safety is ensured by double-insulation, so that two failures of insulation are required to cause a shock.