If you have a business it depends on public resources: roads, bridges, the Interstate highway system, sewers, a water supply, airports and air traffic control, the Federal Reserve, a patent office, public education for your employees, public health, the electric grid, the satellite communication system, the Internet, and all the government research behind computer science.
ESCO ELECTRONICS CORP., St . Louis received a $130 million contract to provide a communication system for automatic reading of electric meters in Puerto Rico.
Existing and future applications for the electric power system heavily depend on the performance of the communication system.
General Motors have unveiled a two-seater electric car with a wheel on either side and a communication system that prevents it from crashing.
Driving an electric 'bubble' car Jump to media player General Motors have unveiled a two-seater electric car with a wheel on either side and a communication system that prevents it from crashing.
Wide area measurement system WAMS) is a fundamental part of security defense in Smart Grid, and the communication system of WAMS is an important part of Electric power communication network.
Due to the high and sustained performance requirements of power communication systems, electric companies prefer to construct their own communication networks privately rather than relying solely on a public communication system.
The main systems used were manual signs, communication boards and Morse code, though in the early 1960s, an electric communication device in the form of a sip-and-puff typewriter controller named the Patient Operated Selector Mechanism (POSM or POSSUM) was developed in the United Kingdom.
The emergency communication system was inoperable.
Protective coverings for electric communication cables are similar to those for electric power cables.
