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. 

Moving to upstart revenue streams and mobile, remote systems management is the way smart, low-voltage electrical contractors are doing something about the changing security and integrated systems market.

Recently, I came across some research that could be a useful tool. In August 2016, Security Sales & Integration (SSI) published its annual Operations and Opportunities Report, which reveals key trends in the security dealer and integrator market.


The market for data centers is growing. It is being driven by many factors, including big data, the Internet of Things (IoT), cloud computing and intelligent computing that data centers make possible.

Many electrical contractors build, renovate, and maintain corporate and government data centers.

More on Systems

 
Article 220-Branch Circuit, Feeder and Service Calculations

Cooking Equipment Calculations, Part IV 220.19 Electric Ranges and Other Cooking Appliances


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MooreAiis Law is Calling

Physical security and information technology team up Moore’s Law basically states that computer technology doubles in ability every 18 months or so, but why should that be a surprise?


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Length of Secondary Conductors Without Overcurrent Protection and More

CODE CITATIONS Article 200 Use and Identification of Grounded Conductors Article 210 Branch Circuits Article 240 Overcurrent Protection Article 300 Wiring Methods Article 334 Nonmetallic-Sheathed Cable: Types NM, NMC and NMS Article 362 Electrical Nonmetallic Tubing: Type ENT Article 450 Transformer


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The Network of Choice

The wired home is more prevalent than ever Thanks to our technology-driven world, the American dream of home ownership has evolved into owning a “wired” home that allows for enhanced networking. Home networking has become a multimillion dollar industry.


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Choosing a Loss Test Set

You get what you pay for Every fiber optic cable needs to be tested for loss with an optical loss test set (OLTS). The OLTS simulates the actual network hardware that will run on the cable so the test results will show if the network will work properly on the cable.


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Important Progress for LAN Performance Standards

The Telecommunications Industry Association (TIA) may only hold three meetings a year, but it does get plenty of significant work done.


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Ground-Fault Protection Systems for Services

Ground-fault sensing and relaying equipment is intended for use in power distribution systems rated at 600V maximum and are considered to be equipment protection devices, not personal protection devices.


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