Wiring:The iWave-R features a patented common voltage 24VAC to 240VAC enter functionality. The black wire (marked ‘AC’ on label) is for 24VAC to 240VAC voltage input. The white wire (marked ‘N’ on the label) could be the neutral leg for 24VAC or 120VAC; or the opposite very hot leg for 208/240VAC.Nestor Gilbert is actually a senior B2B and