Systems

 

 

Integrated electrical and low-voltage systems of all types—inside and outside a building—encompass the range of work that electrical contractors do. The articles in this section highlight different types of work, from security, fire and life safety, to traditional electrical power and distribution, to lighting, cabling and more. 

Biometric technology has been in use for about two decades. It measures a person’s physical and behavioral characteristics, providing details that can be used to make more complete identifications.

For healthcare facilities, many states use only National Fire Protection Association (NFPA) 101, Life Safety Code, because it is the code that the joint commission references.

New options and customer markets


At ISC West 2016, the security industry’s largest annual tradeshow, it was evident the winds of change are blowing within the category of physical security.


Photo credit: Leroy Koetz

Only time will tell if 2016 will be the year that the Chicago Cubs' 104-year title drought ends. For now, fans are reveling in new improvements to the stadium and the surrounding area.
 The improvements began several years ago and are expected to continue into 2018 or 2019.


More on Systems

 
STP vs. UTP

Money usually decides this debate One of the great debates that affects contractors—especially those dealing with communications systems—may be the question of shielded twisted pair (STP) or unshielded twisted pair (UTP).


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Cameras in the Classroom
by Staff |

School security is changing as fast as it is growing, and electrical contractors who don’t educate themselves in the latest digital video recording and imaging equipment stand likely to lose out on a lucrative market.


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Data Center Design Recommendations

Think ‘tiers’ for a standards-compliant data center It seems as if a big chunk of future contracting work will come from designing, installing and supporting data centers. There are many reasons this is being headlined in the telecommunication trades: it’s a solution to many problems.


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Lloyd Electric Connects the Nation's Airports
by Staff |

When Boeing Integrated Defense Systems was awarded the mammoth project of providing all the nation’s airports with baggage explosives screening equipment by the end of 2002, it sought partners in small and minority enterprises.


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Nonmetallic Conduit for Essential Hospital Systems

The five exceptions to providing nonflexible metal raceways Providing alternate power for essential electrical circuits in a hospital is extremely important during loss of normal power.


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A Misleading Circuit

Can a 20A receptacle be placed on a 15A circuit?


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Security for the Masses

For many people, a trip to the airport is the most potent reminder of terror in our new age of heightened security. We wait in long lines to be X-rayed and metal-detected. We see guards everywhere, often accompanied by dogs.


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