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Download EDR Software

The most recent version is EDR 8.2 (January 7, 2012)
Click here to download the EDR 8.2 install program (15 mega-bytes)

• The EDR will start in a Free 30-day Trial Mode.
• To fully unlock the EDR you will need to purchase a Registration Key and enter it on your PC.
• If you have purchased the EDR after January 1, 2007, this upgrade is free. Other EDR users may be eligible for a discounted upgrade. Check the details in our FAQ section.

What is new in Version 8.0.8 ?

• Updated for NEC-2008
• Volt-Drop and Series Volt-Drop have small wire sizes to AWG 28
• Faster Computation

• AC/DC voltage drop calculator, for VD%, size, or length
• Voltage Drop Calculator for a series of roadway or area lights
• Fault current calculator, calculates complete radial systems
• Motor fusing and motor circuit design, three phase and single phase
• Transformer fusing, three phase and single phase
• Capacitor kVAR Calculator

Approximate download time for a 56K modem is 35 minutes.
Approximate download time for cable modem is 1 minute.

If you have trouble downloading, please contact us.

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The Electrical Designers’ Reference is brought to you by:

C+E Electronic Publishing
Electrical Calculations, Electrical Software, Voltage Drop, Short Circuit Studies, Fuse Sizing, Electrical Design, National Electrical Code, Power Engineering, Electrical Engineering,Electrical Construction, Electrical Training, Electrical Contractors,Electrical Inspection. Electrical Design, Electrical Software, National Electrical Code, Power Engineering, Electrical Engineering, Electrical Construction, Electricians, Electrical Training, Electrical Contractors, Electrical Inspection all at EDR.