CMH Software Products

Take a look at all of our products. From software that allows you to design, test and print ladder diagrams
to Electrical Floor-Plan software and Electrical Posters and Cards

Constructor 16

Design, Test, Teach and Print Electrical Ladder Diagrams. Test your diagrams with our unique "RUN" simulation feature. Faster and easier than most CAD for electrical programs plus you can "Test" your diagram.

Residential Wire Pro

Residential Electrical Contractors generate electrical residential floor-plans FAST and EASY. Label printing for panels and more...

Residential Wiring

Home owners learn how your electrical switches and receptacles work with our new multimedia tutorial software. Learn how to replace a switch, receptacle or light fixture safely.

Constructor Libraries

PLC I/O Libraries for the Constructor. Compatible with versions - (12.0 to 16.0) Over 1950 PLC I/O modules available in our PLC libraries. Other libraries include sound effects and variable speed drives/soft starters.
Electrical Reference Poster
General Ladder Diagram Poster
NEMA and IEC Symbols Poster
Electronic Reference Poster

Posters & Cards

Five Color 30"x 20" Electrical/Electronic/Hydraulic reference posters Includes: symbols, formulas, diagrams, Ohm's law, circuit samples, and electrical abbreviations.