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. 

As energy technology continues to evolve, residential customers are becoming more content with the service they receive from electric utilities. The 2017 Electric Utility Residential Customer Satisfaction Study, released by J.D.

For years, there has been concern about the waking ability of fire alarm audible notification appliances. In general, they have gone through numerous changes since the 1980s. Back then, it was common to use bells to signal an alarm.

The marriage of digital technology, renewable energy and efficiency has been highly disruptive to the traditional utility business model. At the same time, according to a recent study, utilities can benefit, too.

The role of cars in power consumption and generation has taken a new twist. First electric vehicles (EVs) emerged as a viable alternative to driving on fossil fuels. Then the sophistication and capacity of battery technology expanded the utility of EVs into the realm of storage on the grid.

More on Systems

 
Integrated Automation

Controlling safety and comfort from one unit The electrical contracting firm’s core business typically includes Division 26/Electrical of the Construction Specifications Institute’s (CSI) 2004 edition of the MasterFormat that specifies the requirements for a facility’s power distribution and lighti


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Fire Awareness and Extinguishers

Do you know what’s in your extinguisher?   FIRE CAN OCCUR ANYWHERE AT ANYTIME. Electricians must be prepared to respond. The Occupational Safety and Health Administration (OSHA) requires an appropriate fire extinguisher be available on the job site.


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NEMA Releases 2006 Motors and Generators Standard

The National Electrical Manufacturers Association (NEMA) has published MG 1-2006, Motors and Generators.


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U.S. Breaks All-Time Weekly Demand Record for Electricity During Heat Wave

THE U.S. DEMAND for electricity reached an all-time record in late July, during a punishing national heat wave. U.S.


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NFPA Amends Codes, Includes Electronic Monitoring of Fire Extinguishers

The National Fire Protection Association (NFPA) voted to amend NFPA 10 and NFPA 72 to include electronic monitoring in lieu of mandatory physical 30-day inspections. The ruling went into effect at the beginning of September.


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Fire Safety Functions

Elevator connection requirements  


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Planning a Fire Alarm System

Ask any electrical contractor—fire alarm installations are on the upswing. Much of the need in the marketplace is driven by codes or the need to update an aging building infrastructure with new fire protection technologies. Your goal, of course, is the all important certificate of occupancy.


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