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. 

A variety of carts and reel carriers are available to hold and transport wire reels.

From shipping and arrival of wire supplies through installation, efficiently managing electric wire on the job can be the difference between a profit or loss.


When it comes to the adoption of energy efficiency and renewable power, financing is always a challenge, especially in rural areas. A new partnership between a business group and an environmental advocacy organization takes aim at that challenge.

I know from experience with contractors in the field that, when it comes to mass notification systems (MNS), being required to perform a risk analysis for the MNS ranks just above getting a root canal at the dentist’s office!


With all the talk about advancements in so many categories of building cabling, wireless networks that support in-building communications, resilient mission critical infrastructure, and adding new intelligent amenities into next-generation real estate, how far have we really come in 30 years?

More on Systems

 
E-J Electric Builds Two 500 MW Power Plants

Across the East River from Manhattan, construction workers are erecting two separate power plants intended to help solve the city's power problems. One contractor has been constructing the electrical systems for the NYPA 500 MW and the Astoria Energy 500 MW power plants in Astoria, Queens.


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Simplifying the Process

Virtual private LAN service (VPLS) connects local area networks (LANs) over the Internet and makes each private LAN act like a single Ethernet LAN. This is a seamless way to keep remote and branch locations connected-something practical in today's global marketplace.


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Designing for Building Integration

Interest in integrated building systems (IBS) is stronger than ever. These systems not only improve the overall performance of a facility, but the performance of the workers as well.


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Measuring Up

Imagine what would happen if you were working on a construction project and had to make a measurement. You used your tape measure and got a length based on the markings on the tape. A member of your crew showed up with a laser ranger and made his measurement.


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In the Zone

It is not a new cabling and wiring installation technique, but it has certainly come of age. Zone cabling is a little like the old multiplexed circuits of the early high-end burglar alarm systems (think New York jewelry stores) with a much more modern twist.


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Producing Effective Terminations

Some years back, fiber optic connector manufacturers started offering connectors that terminated fiber quickly without using adhesives or requiring polishing. The manufacturer glued a short stub fiber into the connector ferrule and polished it perfectly in the factory.


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To Host or Not to Host

It is a well-known fact that with popularity comes both praise and criticism—voice over Internet protocol (VoIP) is no exception. Whether or not to host VoIP is a question contractors need to start asking, because the decision may help close a deal or directly affect an installation.


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