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Create, Test and Print Electrical Ladder Diagrams Create Residential Electrical Floor-plans Quickly Learn PLC's, Motor Control, Hydraulics and More
Help for installing your software, using your software, installing patches or upgrades, or technical support for all our products is provided through our support section. If you would like to speak directly to a Technical Support Representative, Please call us: 1-406-293-3616. We are here to assist you between the hours of 8:00am - 4:30pm MST (M-F)Support
We've Released Our Residential Wire Pro 4.0 Electrical Floor Plan Software
Lots of great new features, like improved PDF import features, inventory groups and much more...
Take a look and download a Free 60 day trial.
Residential Wire Pro 4.0
Over 20 Years and Still Going Strong.
We've manufactured and sold quality electrical design and training software for over 20 years. Thank you for your support, ideas and suggestions over the years.
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VP CMH Software
Manufacturing quality electrical software since 1994
Here are some quick buy links to some of our most popular products. Join the thousands of electrical contractors, corporations, electricians, engineers, training centers and schools that have purchased our software since 1994.
Buy Constructor 13 Buy Residential Wire Pro Buy Instructor Buy PLC Trainer Buy Posters See all Products
Download trial and Demos of our software
Here is a quick link to our download page where you can download 60 day trials, demos and PDF brochures.
Monthly Specials for June 2018
Please check back every month for money saving specials on our software. These special monthly sales are for end users only - no sales to distributors. School Instructors and Students: Please see our school discount page for academic discounts.
Upgrade your Constructor version 6-12 to version 13 for only $199
Plus buy a Constructor or a Constructor upgrade and get the PLC I/O library (Allen Bradley, Automation Direct, GE, Omron, Siemens and more) for only
$199 $99 - Save $100
Residential Wire Pro 4.0 for only $249 or upgrade for $119
Now with improved PDF Import and Export
Residential Wire Pro Information