In the day-to-day challenges of electrical contracting, when a specific wiring question arises, the wiring methods you use depend on what you have learned in the trade along with an occasional dose of the National Electrical Code.
If you’re involved with security systems (procurement, design or installation), this article looks at what market segments they may fall in and where you can go to learn more about the “standards” that apply to a product or its installation.
Building schools involves some unique parameters. The budget is often inflexible, the completion date and interim milestones are based on school semesters, and project management may be left to the architect, who has built-in conflicts regarding errors and omissions in the drawings.
As commercial, industrial and educational facilities become more dependent on information technology (IT) equipment for performing the day-to-day tasks, the quality of electrical supply that powers these growing loads becomes more of a factor.
On Oct. 31, 2002, a 15-year-old boy was shot in the stomach by another 15-year-old at Lincoln High School in Jersey City, N.J. The next day, another student was attacked blocks from campus. The incidents caused a community outcry, prompting calls for heightened security.
A new closed circuit over twisted pair (CCTP) surveillance system developed by data communications distributor Anixter Inc., in conjunction with manufacturer partners Philips CSI, Belden Wire & Cable, and Middle Atlantic, effectively melds digital closed circuit (CCTV) technology with a local ar
You’re familiar with the concept of the “smart house,” which is in the third generation of development. Their computerized electrical systems open garage doors, program lighting schemes and operate home-security systems. Some even turn on the coffee pot.
210.52(H) Hallways Article 210 covers branch circuits except for those supplying only motor loads. Motor-load requirements are covered in Article 430. Receptacle-placement provisions are stipulated in 210.52(A) through (H).
System maintenance can be about anything you want it to be. It could be in reference to communications (data or voice networks), electrical, mechanical, security or anything your heart or bottom line desires. You may think that such a statement is too sweeping and general, right? Wrong.
Last month, in part one of this article, we said the National Electrical Code (NEC) and the “National Fire Alarm Code” from the National Fire Protection Association (NFPA) were two of the most important resources needed to properly install a fire-alarm system.
While the general market outlook for unshielded twisted-pair (UTP) and coax cable is flat, certain segments will jump this year. “Overall market growth will be in the lower single-digit area,” said Bill Miller, director of marketing for Belden Electronics Division.
In spite of previous setbacks, many in the telcom industry still see potential in Wireless Local Loop (WLL) technology to complete the connection between users and their phone companies. Past attempts have not been encouraging.
Model code developers committed to processes accredited by the American National Standards Institute (ANSI) have combined their expertise and proven track records in public safety to complete the world's first fully integrated volume of consensus codes and standards, the C3 set.
The Telecommunications Industry Association (TIA) has published two new standards, 'Commercial Building Telecommunications Cabling Standard, Part 2: Balanced Twisted Pair Cabling Components, Addendum 1 -- Transmission Performance Specifications for Four-Pair 100 Category 6 Cabling.
To start with, let us clarify one thing: CXO is the latest industry acronym. OK, even if it is not the newest, most popular buzzword on the street, we are officially claiming it to be so starting now. It definitely makes sense, what with all of the CEOs, CFOs, CIOs, CTOs—the list can go on and on.
Many electrical contractors have attempted to install commercial fire alarm systems and because they were not properly prepared, they did not enjoy the experience. What steps do you take to properly install such a system?