Q I am providing a service for a 75-ft Christmas tree with a 6 ft star on top. This tree is on residential property and sets about 30-ft from a garage....More
Carl Robison, from Painesville, Ohio, with 23 years of experience in the electric field ranging from heavy industrial to residential work, recently started...More
Section 410-4 (c) permits fixtures to be installed in commercial cooking hoods where all of the following conditions are met.1. The fixture must be identified...More
Aqualified electrician and installer, Bob Naranjo, sent this picture to me. He went out on a routine troubleshooting call to a commercial building because...More
This was how the space above the ceiling looked a few years ago in this airport job before the installer, Tony Fromholt, licensed journeyman electrician...More
Construction companies nationwide continue to face workforce shortages due to lack of skilled workers in this industry. More than 250,000 jobs remain...More
At the Hayden Planetarium's Rose Center for Earth and Space, a merger of architectural and theatrical/entertainment lighting systems helps create the...More
Here is a perfect example of a situation that can be found in many spaces above suspended or dropped ceilings, and in other areas where the size of a...More
ROSSLYN, Va. - NEMA, the National Electrical Manufacturers Association, has released TC 13-2000, Electrical Nonmetallic Tubing (ENT). This standard is...More
Lesson five in the BICSI/Iowa State telecom installation correspondence course focuses on fire-containment with firestop systems.When installing cable...More
QUINCY, Mass. - The National Fire Protection Association (NFPA), publisher of the National Electrical Code, has designed a new Web site designed to answer...More
Here is a perfect example of a situation that can be found in many spaces above suspended or dropped ceilings, and in other areas where the size of a...More
Computers helped achieve engineering feats on this project that would have been impracticable in the past. A computer-aided design (CAD) software program,...More
Since information technology is becoming the crude oil of the 21 superscript st century, its continuous availability is vital to a Georgia data processing...More
Now that you've purchased your digital multimeter, you're ready for the next step: choosing the right accessories. A complement of accessories can enhance...More
Contractors have placed $20 billion of project volume out to bid on BuildPoint.com since it launched less than a year ago.Peter Daley, founder and executive...More
This receptacle was installed on the side of this permanently installed decorative fountain. It's too close to the edge and is required to be at least...More
Two telecommunications installation contractors filed a lawsuit in June in the Manhattan federal district court alleging antitrust violations by Local...More
WASHINGTON - A new federal law will make signatures rendered electronically over the Internet just as binding as if they were written by hand.These electronic...More
This basic electrical maintenance and troubleshooting test can help you diagnose potential insulation problems and reasonably predict when they will occur.How...More
Lesson five in the BICSI/Iowa State telecom installation correspondence course focuses on fire-containment with firestop systems.When installing cable...More
Electricians wire a state-of-the-art planetarium in this fast-track, design-build project.What began as a simple renovation for a New York City electrical...More
Some of the country's leading Code organizations are moving forward in the development of the NFPA Consensus Codes set - a full set of Codes for the built...More
Carl Robison, from Painesville, Ohio, with 23 years of experience in the electric field ranging from heavy industrial to residential work, recently started...More
PALO ALTO, Calif. - Cephren Inc., an online workplace for the $3.6 trillion global construction industry, announced an industry partnership with the American...More
LEDs have unique and compelling characteristics that make them ideal for industrial lighting applications. But there are a variety of misconceptions about LEDs, how well they work, how long they last, and more. Digital Lumens developed this whitepaper to dish up the facts around LEDs and address some common misunderstandings....More
An arc flash is associated with the explosive release of energy caused by an electrical arc, due to either a phase-to-ground or a phase-to-phase fault. This kind of fault can result from many factors – a dropped tool, accidental contact with electrical systems, buildup of conductive dust, corrosion or improper work conditions.....More
Abstract: In this webinar, Mike will not only explain the current NEC requirements for GFCIs and AFCIs, but he'll explain how they operate, what causes their premature failure, and when they won't provide the safety protection you might have thought they would.
Abstract: This webinar will teach attendees the difference between risk and hazard, and how the choice of system grounding has a direct impact on reliability and safety.
Designed for new or retrofit applications, these snap-together gangable plastic boxes eliminate the need to construct a multiple-gang steel box out of several individual ones. Starting with a two-gang box, users can build the box they need in seconds, according to the company. For three-gangs or more, separate the box parts, add the center sections needed to make a new, larger box, and then snap the pieces back together. The UL-listed product is preset for ½-in. wall finish thicknesses....More
