• Subscribe
  • About Us
  • Magazine Issues
  • Newsletters
  • Advertise
  • Shop
Skip to Navigation Skip to Content
Electrical Construction & Maintenance (EC&M) Magazine
Register Log In
  • Forgot Your Password?
close
  • NEC
    • Code Basics
    • Q&A
    • Quizzes
    • Violations
    • What's Wrong Here?
  • Design
    • Computers & Software
    • Green Building
    • Lighting & Control
  • Ops & Maintenance
    • Energy Efficiency
    • Metering & Monitoring
    • Motors
    • Test & Measurement
  • Contractor
    • Business Management
    • Estimating
    • Low Voltage & Communications
    • Project Spotlight
  • Safety
    • Arc Flash
    • Fire & Security
    • Shock & Electrocution
  • Power Quality
    • Monitoring & Measurement
    • Sags & Swells & Interruptions
  • Training
    • Workplace Learning Center
    • Events
    • Webcasts
  • Basics
    • Bonding & Grounding
  • Products
    • Product of the Day
    • Product of the Year
Advertisement
Home > content > Product News

Product News

Feb. 1, 2008  | Electrical Construction and Maintenance
    • EMAIL
  • Tweet
Comments 0
Double-conversion UPS The Digital Energy LP-33U Series double-conversion UPS with true online voltage and frequency-independent operation provides 97% system efficiency, according to the company. Available in 10kVA to 60kVA ratings, the UPS incorporates Redundant Parallel Technology, enabling up to four units to be paralleled. Additional product features include a high input factor of greater than
Advertisement
  • Print
  • reprints
  • Favorite
    • EMAIL
  • Tweet

Discuss this Article 0

Post new comment
Sign In or register to use your Electrical Construction & Maintenance (EC&M) Magazine ID
(optional)
Sponsored Links
Related Articles
  • Web-ready UPS
  • Web-ready UPS
  • Product News
  • PRODUCT NEWS
  • Product News
Sponsored by
EC&M Learning Center
2011 Electrician Exam Preparation Book & Journeyman Simulated Exam
Printed in full color, the 2011Exam Prep book covers Theory, Code, and Calculations in great detail. Clear colorful graphics...
2011 Understanding NEC Requirement for Solar Photovoltaic Systems
Solar power is new to most in the electrical industry and this expanding and exciting industry has created many NEC...
Photovoltaics for Commerical and Utilities Power Generation
This book provides an in-depth review of the solar industry development, and present-day state of the art, emphasizing...
BROWSE ALL TITLES
Advertisement
Webinars
ON DEMAND: All You Ever Wanted to Know About GFCIs & AFCIs

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.

 


Sponsored by:

 

 
ON DEMAND: Workplace Electrical Safety: Prevention before Protection


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.

 

 

Sponsored by:

 

 

MORE WEBINARS
Advertisement
EC&M TV
Jan. 27, 2010
video
Electrical Construction and Maintenance

Arlington Cable Entrance Plates

Arlington’s new REVERSIBLE entrance plate not only protects cable but delivers good looks and installation versatility. Use it facing in or out. Non-rusting paintable plastic....More
Showing 14-14 of 21 items
  • prev
  • 1
  • …
  • 13
  • 14
  • 15
  • …
  • 21
  • next

 

BROWSE ALL VIDEOS

 

equipmentone.com

Search 2.5+ million listings
prev next

Newsletter Signup

Sign-up to receive our free newsletters

Subscribe
Connect With Us
  • Twitter
  • Facebook
  • Linked In
  • RSS
Advertisement
Ecmweb.com
  • NEC
  • Design
  • Ops & Maintenance
  • Contractor
  • Safety
  • Power Quality
  • Training
  • Basics
  • Products
Site Features
  • Author Guidelines
  • RSS
  • Sitemap
  • Site Archive
  • Subscribe
  • View Mobile Site
EC&M Corporate
  • Privacy Statement
  • Terms of Use
  • About Us
  • Advertise
  • Contact Us
Follow Us
  • Twitter
  • Facebook
  • Linked In
  • RSS
Search ecmweb.com
Subscribe to the print magazine

PISCES

Related EC&M Sites
  • Electrical Wholesaling
  • Electrical Marketing
  • Transmission & Distribution World
Copyright © 2013 Penton

Sponsored Introduction Continue on to (or wait seconds) ×