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. 

Shopping for products today involves a world of possibilities. There are online resources and distributors with brick-and-mortar stores and mobile apps to speed up the process. Price is fairly standard, barring volume or project discounts.


An arc fault circuit interrupter (AFCI) is an advanced circuit breaker that, as a way to reduce electrical fire threats, breaks the circuit when it detects a dangerous electric arc in the circuit that it protects.

What we have been installing in buildings and data centers for years that could be a lethal element for a terrorist attack?

In the changing dynamic of energy resources, efficiency is playing a vital role. Even if political support for efficiency diminishes, its importance to the future of energy remains.

More on Systems

 
The Loss Test

Every fiber in an installed fiber optic cable needs testing for loss. The insertion loss test is the standard test required by every network and cabling standard around the world. Superficially, loss testing is easy.


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Innovative Fire Alarm Systems

Whether mandated by new codes or facilitated by a keen interest in life safety as a result of recent news events, fire alarms continue to rise to the occasion with intelligence and advanced capabilities.


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Fiber Optic Splices

There are two different ways to join two optical fibers: splices or connectors. Splices are permanent joints, while connectors allow the two fibers to be disconnected at the joint.


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Grounding Continuity, Church Wiring and More

Grounding-electrode continuity Q: Does the grounding-electrode conductor to driven ground rods have to be unbroken to both rods or may a splice be made at the first rod, then continue to the second ground rod by installing two ground clamps at the first ground rod, then continuing to the second rod


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Ferndale Electric Takes the Holistic Approach

In the heart of Detroit, surrounded by erosion and boarded-up businesses, a major construction project is nearing completion.


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Access Denied

Access control is nothing new. Locks on doors and windows are a rudimentary form of shutting people out. While not the most effective means of control, plenty of facilities use it as their only means of security. ID cards are nothing new either.


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High-Rise Fire Alarm Systems

Delayed notification is a major factor of fire-related deaths in the United States. In most cases, the building occupants did not hear the audible alarms in the building or failed to understand the voice message instructions proved by the fire alarm voice communication system.


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