Warren H. Lewis

Warren H.
Lewis
Articles
Understanding IG wiring
The risk/benefit situation of SG and IG wiring methods has many variables, all depending upon the specific application and situation.There's plenty of
Understanding IG receptacles
IG-style wiring is interesting because it's so unpredictable, from the standpoint of what it does and doesn't do. It may or may not be a good thing at
Troubleshooting signal attenuation in a CCTV system.
This case history shows how decibel knowledge, a handheld oscilloscope, and intuitive thinking can be used to solve a troublesome problem.Now that we
An introduction to the decibel.
While modern test instruments can compute decibels for us, we should know what a decibel is and how to manually calculate gain or loss.We all have a direct,
Troubleshooting for electrical noise
Knowing the types of electrical noise and how to measure them are important first steps in enhancing your ability to troubleshoot.Electrical noise currents
Electrical Testing Feed
Join the Discussion on EC&M Talk

EC&M Webinars
Jul 21, 2015
Sponsored

Mitigation Methods for Arc Flash Hazards - Enhancing Personal Safety

The energy released during an arc flash event can result in severe damage to personnel, equipment, and property. While there are solutions which seek to improve the protection for each, this program will focus on personnel....More
Jul 14, 2015
Sponsored

Understanding the 2015 Edition of NFPA 70E and the Arc Flash Hazard

Get more information on the important changes to the 2015 edition of NFPA 70E. More specifically, this event will address hazard analysis and FR clothing performance testing, focusing on the quantification of incident energy and ATPV (or Arc Rating)....More
EC&M Learning Center

Connect With Us

Sponsored Introduction Continue on to (or wait seconds) ×