Wiring:The iWave-R provides a patented common voltage 24VAC to 240VAC enter ability. The black wire (marked ‘AC’ on label) is for 24VAC to 240VAC voltage input. The white wire (marked ‘N’ on the label) is definitely the neutral leg for 24VAC or 120VAC; or the opposite incredibly hot leg https://donorprospectresearchsoftware.com/