The basic code for handling these motors and sensors comes from Sparkfun and uses only the basic pin-level Arduino routines.

Q. When the NEC refers to the highest rated motor on a circuit with multiple motors, how is the largest motor of the group determined?

The Arduino code tells us that the valves will be opened as long as the remote up/down channel is above/under given values.

He earned his reputation as a National Electrical Code (NEC) expert by working his way up through the electrical trade. Formally a construction editor for two different trade publications, Mike ...