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. 

Residential end-user expectation is fueling automation expansion not only in the homes of the wealthy but also in middle class developments where residents expect to be able to manage the operation of their homes with their cell phone or tablet.

The advertisements bombard us constantly. On television, on websites, in your inbox, all with the same message: everyone else is using technology that integrates security systems with home automation and enables remote control of the whole house with smart devices. Why aren’t you doing this too?


McClure Electric, San Francisco, has been in business since 1966, but it wasn’t until the mid-1990s that it got involved in low-voltage work.


I am always amused when I hear, “No one uses heat-cured epoxy connectors anymore.” In fact, about 95 percent of all connectors, including every factory-made patchcord, uses heat-cured epoxy for its ease of use, low cost and high reliability.

More on Systems

 
Home Automation Gains Momentum
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From personal home theaters complete with surround-sound speakers, high-definition, large-screen projection and DVD recordings to total-system lighting packages, electrical contractors are profiting from rapid technological advances.

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MACs: A 'Contractor Paradise'
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When it comes to moves, adds and changes, most customers can’t or won’t do what it takes to cut costs. As a result, many VDV contractors are surviving tough times thanks primarily to MACs work.

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Aluminum Wire Terminations, Oversize Distribution Panels and More
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CODE CITATIONS Article 110 Requirements for Electrical Installations Article 215 Feeders Article 220 Branch Circuit, Feeder and Service Calculations Article 250 Grounding Article 400 Flexible Cords and Cables Article 404 Switches Article 430 Motors, Motor Circuits and Controllers Aluminum wire termi

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Article 210 - Branch Circuits: Required Receptacle Outlets, Part X
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210.52(H) Hallways Article 210 covers branch circuits except for those supplying only motor loads. Motor-load requirements are covered in Article 430. Receptacle-placement provisions are stipulated in 210.52(A) through (H).

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Alternative Energy Storage Solutions to Take on Mature UPS Market
by Staff |
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Frequent power cuts that disrupt crucial operations of organizations create the need for uninterruptible power supply (UPS) systems. Companies dependent on sensitive electronic equipment require continuous, reliable power, thereby increasing the demand for power quality products.

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Splicing Optical Fiber
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It’s possible to terminate fiber optic cable in two ways––connectors or splices. Connectors install on fiber ends that mate to other fibers creating a temporary joint, or connect the fiber to the transmitter or receiver of a piece of network gear. Splices are used for permanent joints.

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Fiber Optic Update - A Peek At The Future, A Look At The Past
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The beginning of the year is always a good time to reflect on the past and contemplate the future. Except in fiber optics. It is hard to get people to look back, as the last year and a half has been pretty painful for many in fiber.

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