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. 

Over the last decade, the retail
security market has undergone shifts in both approach and technology.

Where are the growth areas? That’s a question many electrical contractors (ECs) ask themselves.

Lutron’s Maestro Wireless technology also is geared toward both the residential and commercial markets.

While wire and electric power delivery will remain a constant, the marriage between the two is being redefined. Wireless lighting and energy control are expanding from homes to office, healthcare, institutional and industrial settings.

Commercial Controls Corp., Valencia, Calif., has about 30 employees who work out of three locations in California and one in Nevada. Fred Scripture, who continues to be the owner and president but is no longer as active in the day-to-day operations, started the company in 1993.


More on Systems

 
Equiping a Fiber Optic Installation Crew
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Nowhere does the adage “the right tool for the job” make more sense than in fiber optic installation. The right tools can make installation easier, quicker, better and less expensive.

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When Do You Need OTDRs?
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In outside plant fiber optic installations, every cable installed will be tested for end-to-end loss with a source and power meter and an OTDR trace will be taken of each fiber. Yet OTDRs—optical time domain reflectometers—are rarely used in premises applications. Why is that?

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Manufactured Wiring Systems, Receptacle Locations and More
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Article 210 Branch Circuits Article 215 Feeders Article 240 Overcurrent Protection Article 300 Wiring Methods Article 320 Armored Cable Article 352 Rigid Nonmetallic Conduit Article 404 Switches Article 604 Manufactured Wiring Systems Article 680 Swimming Pools, Fountains and Similar Installations A

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Retrofitting Fire Alarm Systems
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Anyone planning to retrofit anything electrical in a building faces a difficult task at best. Only a true craftsman can successfully install something as a retrofit that looks like the original installation had included it.

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The Importance of Systems Testing
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When electrical contractors talk about (or are asked about) testing, one is usually not referring to the stress-inducing kind associated with obtaining the latest certification in the industry.

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Conductors Connected in Parallel
by Staff |
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Parallel conductors are often installed where large ampacity feeders or services are used. Total understanding of the paralleling requirements permitted in the National Electrical Code is necessary before attempting to design a large electrical system or install these conductors.

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Planning a Fire Alarm System Installation
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Developing a ‘specialty’ crew is important The fire alarm system installation for most new building projects inevitably is a Division 16 responsibility.

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