Informational Readings

When considering a product or service purchase, a better selection can be made if it is a well informed decision. PSI would recommend you learn more about those issues or products that you are considering and below you will find articles that will assist you in that effort.

^NEW!             

Video Camera Installation Guide

Power Quality & Laser Devices

                    A complete "Current Guide for World Power"

To download all of these readings in Microsoft Word format, please click here.
*NOTE: You will need winzip for this download.

• Guidelines For Grounding Information Technology Equipment (this file is only available in .pdf format, please visit www.adobe.com to download Acrobat Reader)

• Power Quality - Basics

• Powering Sensitive Devices

• Grounding & Bonding – The Basics

• Grounding - What you need to know

• Grounding - Soil Resistance & Acidity

• Ground System Testing - Fall of potential & Alternative Testing Methods

• Ground Loops (difference in ground potential in computer systems)

• Ground Loops (difference in ground potential) CCTV equipment

• The "Ufer" Ground

• What is Lightning?

• Lightning & Induction

• Lightning - How Does it act

• General Information - Surge Suppression

• What to do about power protection

• Proper TVSS selection to Avoid Ground Loops

• Controls and Surge Protection

• Secondary Surge Arrestors - What are they?

• Line Conditioners

• High Frequency Noise & Isolation Transformers

• Harmonic Currents

• *FAQ - Voltage Drop

• *Day in the life of a copier repairman

* Cannot be downloaded in Word97 format.