Continuing Education
3D Hoistway Door Protection
An examination of new requirements to A17.1/B44 for door protection and how the new mandatory devices work Improving the safety of elevators and escalators has been the primary goal of...
Cybersecurity Best Practices
A summary of NEII’s guideline for the industry to mitigate and counter increasingly pertinent cyberattacks by Kevin L. Brinkman and Barry Blackaby The National Elevator Industry, Inc. (NEII) released Elevator...
New Electrical Test Instruments for Elevator Work
Several products to make the lives of elevator designers, installers and maintainers easier and safer, and how to use them by David Herres In elevator diagnosis and repair, much more...
Step/Skirt Performance Index Testing and Data Analysis
How to avoid common problems when measuring this important safety parameter, particularly with the PMT IMD-1 tool Value: 1 contact hour (0.1 CEU) This article is approved for Continuing Education...
Ropes and Traction
Value: 1 contact hour (0.1 CEU) This article is approved for Continuing Education by NAEC for CET® and CAT®. EW Continuing Education is currently approved in the following states: AL,...
Traction Elevator Control Mandates
Following these important rules will help ensure safe operation and aid elevator diagnostics. This article is approved for Continuing Education by NAEC for CET® and CAT®. EW Continuing Education is...
Elevator Motor and VFD Diagnosis
Learn about troubleshooting the elevator motor and variable-frequency drive (VFD) and safety procedures. Certain aspects of elevator maintenance and repair are nonelectrical, such as lubricating and refurbishing hoistway guide rails...
Motor Drive and Control
An introduction to major elevator drives, including history, fundamentals and the future This article is excerpted from your author’s upcoming book, The Elevator: From Basics to Calculus, which discusses key...
Instruments for Elevator System Debugging and Diagnosis
An overview of systems used in elevator electricals and useful tools that help troubleshoot them A spectrum analyzer resembles the more-familiar oscilloscope, but there are major differences. Both are very...
Fluke ScopeMeter
An examination of the handheld oscilloscope and how it can be used for troubleshooting a variable-frequency drive (VFD) Electronic engineers and technicians often spend a lot of their time in...
