Electrical Construction & Maintenance (EC&M) Magazine - The Online Resource for Electrical Design, Construction and Maintenance

May 2013

Tue, 28 May 2013 04:00:00 +0000

This issue features stories on forensics, motor vibration, firestop systems, FR-rated cable, NEC coverage, new products, and more.

Energy Department Publishes Protocols for Determining Energy Efficiency Savings

Fri, 17 May 2013 18:26:00 +0000

The Energy Department has published a new series of protocols for determining savings from energy efficiency upgrades in homes, commercial buildings, and industrial facilities

Automatic transfer switch

Fri, 17 May 2013 15:05:00 +0000

The Zenith Controls ZT30 UL 1008 listed 30-cycle automatic transfer switch (ATS) helps isolate a fault condition

IEC Attends the 2013 Legislative Conference

Thu, 16 May 2013 22:24:00 +0000

IEC attended this year’s Legislative Conference in Washington, D.C.

Product Spotlight: Focus on Protective Gear

Thu, 16 May 2013 15:43:00 +0000

This month, EC&M magazine spotlights protective gear from Pyramex and Carhartt, National Safety Apparel, Honeywell Safety Products, and Workrite Uniform Co.

Hammer drill extension tool

Thu, 16 May 2013 14:29:00 +0000

The Overhead Drilling Machine (ODM) is an extension tool for rotary hammer drills

What's Wrong Here? Hint: It’s Getting a Little Warm in Here

Thu, 16 May 2013 01:13:00 +0000

By Russ LeBlanc, NEC Consultant

Can you identify the Code violation(s) in this photo?

Illustrated Code Catastrophes: Secs. 300.15, 410.23, 394.10, 394.12(5)

Thu, 16 May 2013 01:06:00 +0000

By Russ LeBlanc, NEC Consultant

More Code catastrophes uncovered and corrected in these faulty installations

Stumped by the Code? NEC Requirements on the Termination of the Grounding Electrode Conductor to a Grounding Electrode and More

Thu, 16 May 2013 01:00:00 +0000

By Mike Holt, NEC Consultant

Your most pressing National Electrical Code (NEC) questions answered

Emergency Systems and the NEC

Thu, 16 May 2013 00:51:00 +0000

By Mike Holt, NEC Consultant

Emergency systems are lifelines for people, and Art. 700 is based on keeping those lifelines from breaking

Safety and Compliance of Fire-Resistive Cable Products

Thu, 16 May 2013 00:31:00 +0000

By Russ Neithammer, P.E., Ballinger

Why UL removed the listing for all FR cable products used in listed electrical circuit protective systems and what that means to you

Firestop Awareness for Electrical Engineers and Contractors

Thu, 16 May 2013 00:19:00 +0000

By Beck Ireland, Staff Writer

Proper versus improper firestopping techniques and materials in new and retrofit construction

The Ins and Outs of Electrical Labeling — Part 1 of 2

Wed, 15 May 2013 21:27:00 +0000

By Todd Fries, HellermanTyton

A properly applied and maintained label is the best guard against unwanted OSHA violations and assurance of worker safety

Contracting Firm’s Collaborative Approach to Electrical Safety

Wed, 15 May 2013 21:14:00 +0000

By Brian Downie, Faith Technologies

How Faith Technologies’ electrical risk management crews offer customers comprehensive assessments that support NFPA 70E safety compliance, efficiency, and cost savings

Hazardous Locations and the NEC

Wed, 15 May 2013 20:57:00 +0000

By Mark Lamendola, Electrical Consultant

To correctly understand and apply hazardous location classifications and zones, start with Article 500

Installing Energy-Efficient Indoor Lighting Systems

Wed, 15 May 2013 20:35:00 +0000

By Terry C. Coleman

Understanding design principles is key to successful training

Higher Education Market Experiences Strength in Private Sector, Challenges on the Public Side

Wed, 15 May 2013 20:21:00 +0000

By Amy Fischbach, Freelance Writer

2013 electrical construction forecast for the higher education market

Luminaire Selection and Controls Key to Sustainability on College Construction Project

Wed, 15 May 2013 20:04:00 +0000

By Amy Fischbach, Freelance Writer

New School of Business at Farmingdale State College SUNY pursues LEED silver certification

Is a Failing Bearing Causing the Vibration?

Wed, 15 May 2013 19:36:00 +0000

By Eugene Vogel, Electrical Apparatus Service Association

Troubleshooting tips to help you identify and remedy bearing vibration

Electrical Forensics: The Case of the Misidentified Pump Switches

Wed, 15 May 2013 19:06:00 +0000

By Lawrence V. Hmurcik, P.E., and Sarosh H. Patel, Lawrence Hmurcik, LLC

Technician working in well is electrocuted after making contact with live wire from mislabeled switch

Spreading the Message of Electrical Safety

Wed, 15 May 2013 18:57:00 +0000

Why it's so critical for electrical professionals to promote safety in the workplace

Industry Viewpoint

A-19 LED lamp

Wed, 15 May 2013 14:46:00 +0000

Using just 11W of power while emitting more than 830 lm, the latest generation of this 60W A-19 LED lamp uses 10% less energy than its 12.5W predecessor

Backup generator

Tue, 14 May 2013 14:43:00 +0000

Designed for residential applications, the 38RCL backup generator emits neighborhood-friendly sound levels

Safety: Exposure Definitions and Limits

Mon, 13 May 2013 16:57:00 +0000

If you've followed correct procedures when working with industrial chemicals, you've read the MSDS before use. Something you may have noticed is "TLV." What exactly does this mean?

Outside Branch Circuits and Feeders, Part 2

Mon, 13 May 2013 16:52:00 +0000

Avoiding Landmine Repairs, Part 3

Mon, 13 May 2013 16:33:00 +0000

If the correct replacement part has a long lead time, a safe but suboptimal substitution can get production running. Production managers, understandably nervous about excess downtime, agree to the temporary solution. But temporary becomes permanent with attendant maintenance problems.

Electrical Troubleshooting Quiz

Mon, 13 May 2013 16:26:00 +0000

Bad Practices, Part 3

Mon, 13 May 2013 16:02:00 +0000

A single bad maintenance practice can defeat the collective good from otherwise following best practices. This article contains two more bad practices to be aware of.

Flame-retardant cable ties

Mon, 13 May 2013 14:48:00 +0000

Ty-Rap flame-retardant cable ties are constructed of flame-retardant nylon 6.6 that meets the UL94V-0 flammability rating

A-shape series dimmable lamps

Fri, 10 May 2013 12:01:00 +0000

The 10W ProLED A19 lamps replace incandescent A19s in the residential and commercial markets