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< Back December 2021 Holidays! Plant Life 8 Help wanted needed As job shortages continue to plague the country, manufacturers are trying out new and modern techniques to recruit workers. By Selena Cotte, EA Managing Editor Green Energy 16 Equipping the planet Equipment for renewable energy applications, from the home to the shop By Charlie Barks, EA Associate Editor Celebrations 18 There’s never a bad time for a party Holidays, retirement parties, or just plain ol’ summer — the electrical industry proves that they know to never say no to good celebration. By Selena Cotte, EA Managing Editor Fast Forward 30 Thinking small Research in nanotechnology stands to bring about big changes By Susan L. Follett, EA Contributing Writer Motors & Generators 33 Choosing the right motor enclosure Does your small or medium-voltage motor application call for an open or enclosed design? By John Malinowski, EA Special Correspondent 37 Die-cast copper rotors: Where do we stand? Once considered a promising solution for improved motor efficiency, die-cast copper rotors have yet to penetrate the market significantly With trilingual summary By Richard L. Nailen, EA Engineering Editor More Than Accounting 43 A better way to modernize equipment A Managed Service Agreement can be a good option to ensure ongoing equipment capacity By William H. Wiersema, CPA, EA Contributing Editor Pump It Up 45 Energy rating labels expanded to cover circulator pumps The Hydraulic Institute applies lessons it’s learned since it began promoting a pump efficiency label four years ago By Kevin Jones, EA Senior Editor Conventions & Trade Shows 49 Dampened moods Weftec 2021 provided a portrait of a trade show during stressful times By Charlie Barks, EA Associate Editor, and Selena Cotte, EA Managing Editor barbara@barks.com

< Back Crossword Solution July 2024 Answers are based on the May and June 2024 issues of EA Previous Next

< Back Crossword Solution March 2024 Answers are based on the January and February issues of Electrical Apparatus Previous Next

Hoto Instruments, in the current issue of Electrical Apparatus magazine, and the EMBR (ElectroMechanical Bench Reference) < Back Hoto Instruments https://hoto-instruments.com/ 847-564-2260 Hoto Instruments Hoto Instruments provides top quality measurement instruments at the lowest prices to meet the needs of engineers and quality control personnel across a broad range of industries. Our knowledgeable sales/engineering staff is ready to help with stock instruments or custom applications.Send us a sample you wish to test and we’ll recommend a system to deliver consistent results. Trade-in your old instrument, for a discount on a new one. Hoto Instruments has met the rigorous standards of business operation for ISO 9001 Certification, to assure our customers of our commitment to quality procedures and continuous improvement. In addition to ISO 9001, Hoto Instruments has achieved ISO/IEC 17025 Laboratory Accreditation . This is further quality assurance that all calibrations and repairs done in our laboratory are performed using properly calibrated equipment by proficient and experienced personnel. Click here to learn more (link opens in a new tab) Click ad to view full size

< Back Word Search Solution August 2023 "Dry ice pellets change to vapor" Previous Next

< Back Word Search Solution December 2023 "The term 'engineering science' is meaningless" Previous Next

< Back Word Search Solution October 2021 "Customer service is the big focus today." Previous Next

EASA Booth 119 Exhibiting at EASA 2025... one of our favorite EASA issue advertisers! To advertise in our EASA issues, contact barbara@barks.com Lafert North America https://www.lafertna.com/ Lafert North America Inc. brings you the finest in Italian manufactured IEC metric motors, along with other premium Italian made products, such as; EuroMotori Flame Proof Motors, Sacemi Coolant Pumps and the SITI metric line of gearboxes. We are located in Mississauga, Ontario-Canada (Toronto) and have been supplying IEC metric motors to Canada, the United States and Mexico since 1989. In July 1998, Lafert NA received the North American distribution rights to the SITI line of Metric gear reducers, also produced in Italy. Lafert North America Inc. provides an extensive range of quality products at an outstanding service level. Replacing oddball foreign motors, that are sometimes costly to repair and difficult to source is one of Lafert North Americas specialties! Contact: Madeline Hickey @: madeline.hickey@shi-g.com (P): (905) 629-1939 Address: 5620 Kennedy Road Mississauga, ON L4Z 2A9 Canada Previous Next

EASA Booth 655 Exhibiting at EASA 2025... one of our favorite EASA issue advertisers! To advertise in our EASA issues, contact barbara@barks.com Akard Commutator of TN http://www.act-inc.com/ AKARD COMMUTATOR of TENNESSEE (ACT) will be showcasing the importance of ACTually OEM/MIL-Spec COMPLIANT COMMUTATORS & SLIP RINGS BACKED BY SCIENCE! and discussing the benefits of ACTive G-FORCE CERTIFICATION! vs compression processing without quantitative testing at BOOTH 835 at the EASA Convention. ACT representatives will be on hand to help explain how providing ACTion! 24-7-365! ensures consistent delivery of WORLDS FASTEST LEADTIMES! without cutting corners on quality, and how Quantitative TESTING ALWAYS BEATS Subjective Guessing! (listing several benefits to customers bottom line in addition to improved reliability/longevity). ACT will also continue holding drawings for Bristol NASCAR tickets & other prizes. Contact: Pearce Baker @: action@commutator.expert (P): (800) 889-2284 Address: 629 Universal Street Alcoa, TN 37701 Previous Next

The March 2025 issue of Electrical Apparatus, the monthly magazine and virtual community for electromechanical professionals who design, specify, use, sell, operate, maintain and repair electrical equipment. EA March 2025 HVAC/R! Discover the latest insights shaping the HVAC/R industry. Electrical Apparatus is the monthly magazine and virtual community for electromechanical professionals who design, specify, use, sell, operate, maintain and repair electrical equipment. Subscribe! Go to ea-renew.com Advertise! For advertising information, updates, special offers and more, sign up for the Publisher’s Market Memo e-list or message Barbara Wachter , Advertising Director. ELECTRICAL APPARATUS | MARCH 2025 Contents 03/25 A BARKS PUBLICATION VOLUME 78 / NUMBER 03 WWW.BARKS.COM Electric Avenue 12 Making inroads How and why heat pumps are becoming common features in electric vehicles By Maura Keller, EA Contributing Writer EA Reader Profile 16 Learning — and discovering — through doing Christian Kluge asks, ‘When you yourself don’t do something, how can you lead others to do something?’ By Colin Gregory-Moores, EA Contributing Writer HVACR 20 District cooling This centralized method of cooling multiple facilities might offer new opportunities for installation and service By Bill O’Leary, EA Contributing Writer 25 HVACR training today The HVACR program at Illinois’ Elgin Community College illustrates an industry’s priorities By Charlie Barks, EA Managing Editor Motors & Generators 29 Keeping cool under pressure New advances in cooling systems for electric motors By Chase Fell, EA Contributing Writer Finance & The Workplace 33 Contractor financial reports Tracking revenue and accounting for labor costs is essential for success in contracting By William H. Wiersema, CPA, EA Contributing Editor Plant Life 38 HVACR refrigerants go au naturel How natural refrigerants are replacing their less environmentally friendly alternatives By Bill O’Leary, EA Contributing Writer Energy 41 Lightning motors Electrostatic concepts are being researched for commercialization By Charlie Barks, EA Managing Editor Pump It Up 42 Circulator rules The clock is ticking on a Dept. of Energy efficiency rule for the circulator pumps used in HVACR By Kevin Jones, EA Senior Editor ELECTRICAL APPARATUS | MARCH 2025 Departments 04 The editor's comment A fresh wind blowing in HVACR 05 Let's solve your problem Answers to questions about motor lead cable and windings 06 Business What’s new in the business of HVACR 08 Associations An HVACR association lays out its legislative priorities 10 Know your industry Refrigeration Service Engineers Society keeps its industry cool 15 Speaking of . . . Oil-and-gas giant pulls out of wind power project 19 Calendar Upcoming events on testing, sales, and power generation 24 Names & faces Personnel changes at MSC Industrial and NSI Industries 24 Deaths David Grainger, senior chairman of W.W. Grainger 35 Plant happenings Ethanol, clothing plants to close; beverage, paper plants to open 36 Product showcase The newest and best in products for HVACR operations 40 Utilities Los Angeles electric utilities on the defensive after wildfires 44 Classified advertising Your monthly marketplace for equipment, businesses, and mor e 44 Cy's Super Service The electrical service industry’s most prominent curmudgeon 45 EA puzzle A crossword puzzle based on EA’s January and February issues 47 Moe, Genny & friends The surreal world of an anthropomorphized mo tor and generator 48 Direct & current A plant expansion for Schneider and a lawsuit against John Deere 48 Advertising index Who’s who—and who’s where—in this issue of Electrical Apparatus

The premier trade publication for the electromechanical aftermarket since 1948; this family-owned company now illustrates the nexus of tradition and innovation. Our digital content and a monthly print issue cover everything from motor repair to artificial intelligence, from the plant to the Cloud. ABOUT Founding Publishers Horace B. Barks 1921-2012 Elsie Dickson Barks 1923-2018 For the next generation - Motors, and more Hello, and welcome to Barks Publications! We are B2B journalists and communicators. Our publications and digital media include: Electrical Apparatus magazine The ElectroMechanical Bench Reference (EMBR) Barks Books Direct and Current E-News Some call Electrical Apparatus "the motor magazine," because"for many years we've been known as the premier media source of information for the electrical aftermarket. We do love motors - large and small, in factories, fields, farms, generators, utilities, shop floors, and other applications around the world. If you, too, are into motors, there's no better media. But today our publications are also More than Motors. We're sharing stories of the factories, distribution/repair channels, franchises, conglomerates, international initiatives, electronics, renewables, and cloud-based offerings that are redefining “electro,” “mechanical,” “sales,” “products,” and “services.” The ideas and products we cover include pumps and wastewater, solar and wind, grids, VFD’s, CNC, test instruments, IoT-based opportunities, product design and innovation, energy storage, AI, robotics, automation, EV’s, HVAC/R, elevators, maintenance, monitoring, and anything and everything else that involves electricity, energy, and powerful ways to work. Whether you're a seasoned professional, or just an energetic beginner, EA works for you! OUR BARKS PUBLICATIONS GROUP: Elizabeth Van Ness, Publisher Kevin N. Jones, Senior Editor Charlie Barks, Managing Editor David Bredhold, Contributing Editor John Malinowski, Contributing Editor William H. Wiersema, Contributing Editor Chase Fell, Contributing Writer Maura Keller, Contributing Writer Colin-Gregory Moores, Contributing Writer William O’Leary, Contributing Writer Kristine Weller, Contributing Writer John D’Acunto, Cartoonist Tim Oliphant, Cartoonist Barbara Goetz Barks, Assignment Editor Barbara Wachter, Advertising Director

Electrical Apparatus magazine covers trade shows, conferences and other industry events. Learn more here. Trade Shows! Previews and reports of industry events Scroll down for examples and links. Electrical Apparatus provides comprehensive coverage of industry-sponsored conventions and meetings throughout the year. Our previews and reports include photos of exhibits and exhibitors; looks at keynote speeches and conference sessions; descriptions of official events, competitions, parties, and award presentations; interviews with speakers and attendees; and venue reports. Advertisers - Take advantage of our trade show coverage to reach these significant audiences. Exhibitor booth information can be added to your ad at no charge, and some issues include free or discounted special ad sections. Contact advertising manager Barbara Wachter for more information. See this year's tradeshow calendar and an example of our tradeshow coverage of the 2021 convention of the Electrical Apparatus Service Association, below. For questions or comments, contact us! EA goes to trade shows Below are some of the shows and conferences we've featured in the pages of Electrical Apparatus , including links to a few representative samples. 2025 shows we're covering AHR Coiltech CWIEME Berlin EASA IMTS Fabtech Pearl The Battery Show Weftec 2024 shows we're covering AHR CWIEME Berlin EASA IMTS Pearl The Battery Show Weftec 2021 Trade show coverage WEFTEC 2021 EASA 2021 The Battery Show / EV Tech FABTECH 2021 READ A SAMPLE: EASA 2021! SUBSCRIBE TO EA! Subscriptions are free to members of the electromechanical industry with North American addresses. Go to ea-renew.com to sign up.. ADVERTISE WITH US! For updates, special offers and more, sign up for the Publisher’s Market Memo e-list . Electrical Apparatus is the monthly magazine and virtual community for electromechanical professionals who design, specify, use, sell, operate, maintain and repair electrical equipment. Subscribe! Go to http://ea-renew.com . Advertise! For advertising information, updates, special offers and more, sign up for the Publisher’s Market Memo e-list or email Barbara Wachter , Advertising Manager. For thoughts or questions about our technical content, contact us!