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. 

Services beyond security


Not a day passes without reference to cloud-based or hosted services. Consumers use cloud services every day with online banking, and now mobile payment is infiltrating retail and hospitality services.

Don’t blink! If you do, you may miss some of the rapidly developing changes occurring in the technology sector.


I’m sure all of you have run into an issue such as this when installing a fire alarm system: One authority having jurisdiction (AHJ) wants one thing, and another AHJ wants exactly the opposite. What do you do? You can’t make both happy.

Last month, we discussed how long-distance dark fiber is used to connect data centers. Everywhere you look, you read about new data centers being built by Google or Facebook or Amazon or some other one with a strange, unpronounceable name.

More on Systems

 
Choosing the Right Fiber Optic Cable
| under

Choosing the right fiber optic cable is extremely important for any installation. The purpose of the cable is to protect the fibers during installation and the service lifetime. Several types of cable are available.

READ MORE
 
Equipment Warning Signs, Remote Service Disconnecting Means and More
| under

CODE CITATIONS Article 110 Requirements for Electrical Installations Article 230 Services Article 240 Overcurrent Protection Article 310 Conductors for General Wiring Article 430 Motors, Motor Circuits, and Controllers Article 450 Transformers and Transformer Vaults Article 695 Fire Pumps Warning si

READ MORE
 
Bonding Water Piping
| under

There is a quiet revolution occurring in the home-building industry. Traditional single- and multiple-dwelling construction methods as we knew them have changed forever. Metal studs are now often being installed in place of wood and steel beams in place of wooden trusses and joists.

READ MORE
 
Analog to Digital Expands CCTV
| under

Digital video makes surveillance a snap. At your fingertips are control functions (pan-tilt-zoom, recording, etc.) and limitless remote monitoring options.

READ MORE
 
Understanding Wavelength
| under

Fiber optics is full of jargon but it’s important to understand it. One of the more confusing terms to many is “wavelength.” It sounds very scientific, but it is simply the term used to define what we think of as the color of light.

READ MORE
 
Branch Circuits, Grounding, Luminaires and More
| under

Article 210 Branch Circuits Article 220 Branch-Circuit, Feeder, and Service Calculations Article 230 Services Article 250 Grounding Article 404 Switches Article 410 Luminaires (Lighting Fixtures) Lampholders, and Lamps Article 445 Generators Article 702 Optional Standby Systems Volume I of the Fire

READ MORE
 
Rising to IBS Installations' Challenges
| under

The arena of voice/data/video installations for electrical contractors can be both challenging and rewarding. The market is flowing into combining the traditional with the new in what is now being called integrated building systems (IBS) installations.

READ MORE

Pages