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. 

A hot summer’s evening usually begets long lines at the local ice cream shop. Recently, at one such shop, the line grew extra long when the cash registers and credit card machines mysteriously powered off and on.

Historically, if a problem occurs with a traditional string power inverter that links several solar panels together in series, or even simple shade, that issue can bring down an entire solar photovoltaic (PV) array.

As government tax credits and utility rebates and incentives dry up, energy-efficiency improvements have evolved beyond the low-hanging fruit of fixture replacement at low cost.

As with most clean-energy markets, activity in the energy-storage segment is directly tied to government policies.

More on Systems

 
Agreements benefit contractors

Keep It In Order: Maintenance and service contracts

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As security systems become more sophisticated and complex, proper maintenance has become increasingly critical. Gone are the days when electrical contractors could just install a system and then walk away.

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Stripping Fibers
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We left off last month preparing a fiber optic cable for termination.

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Wiring Spaghetti
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While spaghetti adorned with one of the dozens of different sauces that are served in the small, off-the-beaten path restaurants in the Italian countryside is “splendido,” wiring that looks like spaghetti is just the opposite.


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Friends To The End: Partnering, relationships and design/build 

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How do you build a relationship with your customers centered on trust? It starts with meeting commitments and consistently completing projects on time, on budget and in a code-compliant fashion. Why is this relationship important?

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No False Alarms
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“The serious losses in life and property 
resulting from fires causes me deep concern. I am sure that such unnecessary waste can be reduced.

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Inspection, Testing And Maintenance
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We all know that fire alarm systems that are tested and maintained on a regular basis are more reliable. According to NFPA 72, National Fire Alarm and Signaling Code, the owner is responsible for inspections, testing and maintenance as well as any alterations or additions to the fire alarm system.

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Factory-Made In The Field
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Last month, I addressed how to determine if an adhesive/polish connector was good by inspecting the polished end of the connector with a microscope.

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