Nonmetallic-sheathed (NM) cable with less pulling resistance? Self-healing aluminum cables? Cable that burns with limited smoke? Cable is not just cable anymore. If you are like me, you grumble when things go awry.
The following series of fatalities was studied by the National Institute of Occupational Safety and Health (NIOSH). Each involves contact with energized lines or equipment. In every case, NIOSH came to the same conclusion. After reading them, you can compare your thoughts to that conclusion.
It has been predicted that the voice over Internet protocol (VoIP) market is in the early stages of dramatic growth, but VoIP needs a compelling reason for use if its proponents expect the technology to have a lasting effect. For the home, the major advantage appears to be reduced phone cost.
Delayed notification is a major factor of fire-related deaths in the United States. In most cases, the building occupants did not hear the audible alarms in the building or failed to understand the voice message instructions proved by the fire alarm voice communication system.
While the residential lighting market is still largely driven by new construction and retrofitting of single-family homes, emerging trends in multifamily residential dwellings are signaling new opportunities for the design and installation of indoor lighting products.
According to the Design-Build Institute of America (DBIA), “Design--Build is a process that has been embraced by the world's great civilizations. In ancient Mesopotamia, the Code of Hammurabi (1,800 BC) fixed absolute accountability upon master builders for both design and construction.
Photovoltaic (PV) modules convert sunlight directly into electrical energy. Integrating PV into a building will impact its operation. Not only will the PV system produce electric energy to serve building loads but it can also reduce the building's electric demand and air-conditioning heat load.
For approximately 40 years, unprotected or improperly protected penetrations have presented a subject of much concern to the fire-protection community. In 1996, an electrical fire occurred at 30 Rockefeller Plaza in New York City.
Ever since Former Federal Communication Commission (FCC) chair Michael Powell said broadband over power line technology (BPL) was “the great broadband hope,” interest in the technology has grown. Powell's comments came on the heels of the FCC's ruling on Oct.
Flexible cord terminations Q: May a properly sized flexible cord with 15-ampere male attachment plugs on both ends be used to supply an optional standby generator for a small business? The cord is intended to plug into a receptacle on the generator and a receptacle on the outside of the building.
Radio frequency identification (RFID) is used to track, identify and record people and objects. First introduced during the 1970s, the technology has evolved as new uses are discovered. But it was Wal-Mart's announcement in summer 2003 that pushed RFID into the spotlight.
The text in Section 230.40 covering the number of sets of service-entrance conductors for each service drop or lateral has not changed since it was accepted into the 1984 National Electrical Code (NEC).
According to the Design-Build Institute of America (DBIA) “Design-Build is a process that has been embraced by the world's great civilizations. In ancient Mesopotamia, the Code of Hammurabi (1,800 BC) fixed absolute accountability upon master builders for both design and construction.
The swift pace of integration is nowhere more profound than in the communications and information technology (IT) sectors. Access-control systems talk to closed-circuit television surveillance and door hardware for instant egress.
Freeway congestion, 60-hour work weeks, urban gridlock and family obligations have driven the work-and-play-at-home trend. Buyers want everything from home offices with high-speed Internet to home fitness rooms with the latest exercise gizmos and equipment.
The term “IBS” conceptually combines the installation and maintenance of all electrical and electronic systems, which includes telecommunications, life safety, security access control and local area networks (LANs).