Whether you purchase electrical components,
specify them, install them, sell them or use them,
we think you'll find these sections informative
and entertaining.

Each section will give you an understanding
of how components work.
Use the knowledge to pick the best item
for your specific application, or to help others.

Solenoid Training

With over 50 Cole Hersee solenoids to choose from,
you'll need to know if you want an
insulated or grounded type/
continuous or intermittent/
electromechanical or electronic.

Our guide to the basic principles will help you
obtain the right part.

Solenoid schematic diagrams