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Zmags
APRIL 2018 THE MAGAZINE OF ELECTRICAL DESIGN,
ecmweb.com CONSTRUCTION AND MAINTENANCE
The Human-Centric
Lighting Debate
No matter which side of the blue light fence you sit on, this
new frontier has some designers taking a more enlightened
approach to illumination. Read more on pg. 18
IN THIS ISSUE
Power Quality Issues That
May Disturb LED Lighting pg. 10
How to Ensure Safe
Ceiling Work pg. C8
Century-Old Contractors
in the Spotlight pg. C14
New Considerations in
Emergency Lighting pg. 26
Code Violations:
A Droopy Disaster pg. 46
Circle 1 on Reader Service Card or visit freeproductinfo.net/ecm
univ8 Install with or
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APRIL 2018 THE MAGAZINE OF
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univ8 Install with or TM LED T8 without a
CONTENTS COVER STORY 18 The Human-Centric
New April 2018! Save time. Emergency Light
ECMWEB.COM With its exclusive online content,
THE BREAKERS YOU NEED WHEN YOU NEED THEM GET
ONLY ON THE WEB WHAT'S IN THE NEWS? WHAT'S POPU
NOT JUST TOUGH. CHAMPION FIBERGLASS CONDUIT TOUGH
INDUSTRY VIEWPOINT The Right Light for Life By
PROTECTED IN THE FACE OF THE UNEXPECTED
LEDs & POWER QUALITY Ranking Electrical Disturb
Disturbance category name Primary disturbance cat
LEDs & POWER QUALITY F
KOHLERPOWER.COM ONE SOURCE. ONE SYSTEM. ONE HECK
LIGHTING & CONTROL Working Toward WELL There's
well as 80% or more of the optimization features.
LIGHTING & CONTROL considerably less desirab
Snap2it® connectorS EASIEST CABLE INSERTION · N
SERVICE SECRETS Finding and Keeping the Right E
NEW! COUNTERTOP BOX KITS WITH PLASTIC BOX · ROUN
ESTIMATING ESSENTIALS The Estimating Sequence —
SAVES TIME · LOOKS GREAT!
ESTIMATING ESSENTIALS possible systems the a
ARLINGTON ONE-PIECE · NON-METALLIC METER MOUNTIN
SAFETY CORNER How to Ensure Safe Ceiling Work P
ECONOMICAL · INTERLOCKING GANGABLE FLOOR BOX FOR
SAFETY CORNER climb down to get it. Hand too
ARLINGTON CONVENIENT · STEEL BOXES WITH METAL CO
FLUSH-TO-THE-FLOOR INSTALLATIONS THE EASY WAY! AD
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100+ YEARS OF SERVICE Century-Old Contractors Po
www.ecmweb.com · April 2018
100+ YEARS OF SERVICE CACHE VALLEY ELECTRI
ARLINGTON N O N - M E T A L L I C F A N / F I X
100+ YEARS OF SERVICE FISK ELECTRIC Housto
NON-METALLIC STRAIGHT 90° ZERO TO 90° PUSH O
100+ YEARS OF SERVICE GUARANTEE ELECTRICAL
ARLINGTON Patented/other patents pending
100+ YEARS OF SERVICE In 1917, Hatzel and
FOR FLUSH-TO-THE-WALL MOUNTING OF FLAT SCREEN TVs
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100+ YEARS OF SERVICE A historical panora
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Join EC&M for a 2-day Training Event
By Tom Zind, Freelance Writer The Human-Centric
Photography by John Muggenborg / www.johnmuggenbo
Headquarters Lighting Project Departs from Standa
Circle 33 on Reader Service Card or visit freepro
comprehensive studies demonstrating a hard return
Blue light in the 4,600K-and-up range, present
Photo courtesy of Osram Seven months of research
Unrivaled Application Versatility Emerson™ pres
New Considerations in Emergency Lighting Complyi
R CEWAY. YOUR WAY.ª
Types of emergency lighting. Light- ing systems c
Engineers Solve Problems! Snake Tray® Delivers
Illumination Insider This e-newsletter tracks th
A Higher Standard in Industrial Innovation and Fu
Rebate Trends for 2018 What the year holds when
requirements to be considered for the premium cla
Guide to Warehouse Lighting Control Warehou
DOT Foods Lights Up Energy Savings D
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Warehouse Lighting Control Options Strategy D
PRACTICALLY SPEAKING Locked and Loaded By Russ
CODE BASICS Understanding Requirements for Gene
conjunction with balancer sets to obtain neutral
CODE BASICS CodeWatch This e-newsl
CODE QUANDARIES Stumped by the Code? By Mike Ho
CODE VIOLATIONS Illustrated Catastrophes By Rus
CLASSIFIED ADS Install Switch-Rated Plugs
MARKETPLACE NOT TOUGH. CHAMPION FIBERGLASS CO
ADVERTISER INDEX SALES STAFF Adver
CODE VIOLATIONS What's Wrong Here? By Russ LeB
Power & Energy Data Logger Monitor Your Power & E
THE CONTRACTOR'S CHOICE 9351-NKV Non