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. 

Electrical contractors work hard to learn their business and understand how to complete a project professionally and make a profit. The profit part ensures ECs can stay in business. The professional part is mandatory if ECs want to stay in business and grow.

We are all aware fiber optics is the backbone of communications networks such as telecom, the internet, local area networks, cable television and more. It’s also the backbone of the electrical grid.

Over the past two years, the technical committee responsible for IEEE 1547, Standard for Interconnecting Distributed Resources with Electric Power Systems, has added a section on power quality (PQ), including the parameters, indexes and limits on those for distributed energy resources (DERs) connect

Mobile applications, an increasingly fluid workforce and improvements in product integration are changing the landscape of mass notification systems (MNSs) and emergency communications. The technology is more responsive and better directed in messaging to the masses.
 Keeping a close eye


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Voice Data Products Show Maturation

It's an extension of capabilities that rules Straight from the show floor at the recent American Society for Industry Security (ASIS) convention in Dallas is this revelation: new isn't the buzzword for voice/data/video, security and life safety products-a maturation or extension of current capabili


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Derating Cables, Metal Faceplates, Grounding Parking Lot Lighting Poles and More

Article 210 Branch Circuits Article 250 Grounding Article 310 Conductors for General Wiring Article 320 Armored Cable: Type AC Article 404 Switches Derating Cables Q: Is it necessary to derate types NM-B, AC or MC cables where these cables are bundled to enter a branch-circuit panelboard?


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Casino Fire Protection-Not a Roll of the Dice!
by Staff |

Two decades ago, the disastrous fire at the MGM Grand Hotel and Casino in Las Vegas focused the world’s attention on the need for improved fire safety in casinos and hotels. The fire occurred on Nov.


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Intrusion Detection for Secure Networks

On the scene to protect vital data for hotels, casinos and more Intrusion detection systems (IDS) are some of the new kids on the secured-computing block. While these network-based systems are on the rise, they are still misunderstood and not used nearly enough.


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Expanding Your Knowledge Base

Use the Web to keep up with the latest information Most fiber optic installers get started by taking a short class or seminar that covers the basics. That usually means a half-hour lecture each on fiber optic technology, how it is used for networks and the various components.


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Control Systems

Getting the most out of your system An important characteristic of an intelligent building is its ability to sense ambient conditions and react to them.


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Are Laundry Areas Habitable Rooms?

Dedicated 20-ampere branch circuits are required Most dwelling units are required to have a laundry area within the living area or have a laundry area provided on the premises for a multifamily building.


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