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. 

In October, I listed some of the significant changes proposed for the 2019 edition of the NFPA 72, National Fire Alarm and Signaling Code. This month, I cover more of the important proposed changes. Keep in mind that this is based on the public input stage.

Fluke’s laser distance meter

Measuring tapes are a basic and necessary tool. When the dimension to be measured is inaccessible, handheld, laser 
distance-measuring tools may be the only safe and practical solution. 
 There are many options today for taking measurements on structured-wiring projects.
 Laser measuring tools


Ferndale Electric Co., Ferndale, Mich., which employs an average of 130 electricians, performs electrical work for automotive plants, power plants, bottling plants and other industrial facilities. It also renovates electrical systems for lift bridges and completes major projects for airports.


Last month, I discussed making loss measurements with a light source and power meter—what we call optical insertion loss—and the causes of errors in those measurements.

More on Systems

 
Is an Augmented Cat 6 Cabling Package Coming?

This package is coming—maybe not this holiday season, but probably after the next one. It may be broken up into three smaller packages, but here is a look at what is going to be included: • TSB 155 • Addendum 10 to TIA 568-B.2 • Addendum 11 to TIA 568-B.2 Now, somehow, all three are related.


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A Lock on Hotel Security

The next generation of hotel security and lock systems will depend on two features—ease of access for the guest and ease of control for the hotel. As a result, there are some subtle shifts in the market that will change how electrical contractors do business.


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Hotels and Casinos: A Challenging Combination

Interesting occupancies for fire detection Hotel and casino fire-alarm systems can prove challenging from at least three perspectives: first, the number of people moving about the facilities throughout the day and night who typically have no familiarity with their surroundings; second, the high ambi


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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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