Electrical Control Using Relay Contactors

December 15, 2011 by Dave Rongey  
Filed under Contactor

Relays and Contactors for Controlling Electrical Equipment

How Do I Wire A Potentiometer To My Pump VFD?

June 18, 2010 by Dave Rongey  
Filed under Controls, Electric

The connections for a potentiometer are as follows…

Can I Install a 120 Volt Hour Counter with a 220 Volt Circuit?

June 18, 2010 by Dave Rongey  
Filed under Controls, Electrical

No – you cannot connect this hour counter up as you have described, here are your options to make it work…