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. 

As projects become more complex, electrical contractors need high-tech management methods to ensure more efficient results. Here are just a few examples to help you get headed in the right direction. 5pm

The dark fiber providers that most people are familiar with are private companies that were started to offer fiber connectivity for a profit. Today, there is a major movement toward building fiber networks as a public-private partnership.

Phasor diagram and equivalent sinewave plots

When considering power quality disturbances or the quality of the electrical supply, phenomena such as rms variations (sags, swells and interruptions), harmonics, unbalance and flicker usually come to mind.

Data center infrastructure management (DCIM) software enables data center operators to manage assets and changes, plan capacity, and monitor power, environment and energy usage.

More on Systems

The Electrical Dipstick

Energy costs and potential energy shortages are increasingly driving commercial building and industrial facility owners to find ways to use less energy for the same level of activity.

It Just Makes Cents

NFPA 70B, Recommended Practice for Electrical Equipment Maintenance, has championed the importance of an electrical preventative maintenance (EPM) program for years.

Residential Properties

Residential home fire alarm protection methods can be broken down into two distinct applications: stand-alone detection devices, known as smoke alarms or carbon monoxide (CO) alarms, and combination fire alarm and detection systems that employ smoke detectors and CO detectors connected to a resident

Maintaining Smoke Compartments

When we install fire protection
in a building, we are focused on active protection systems such as fire alarms, fire sprinklers, clean agents or smoke control.

Automation Expectation

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.

Giving The Homeowner Control

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?

Contracting By Proxy

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.