Wiring:The iWave-R features a patented universal voltage 24VAC to 240VAC enter capability. The black wire (marked ‘AC’ on label) is for 24VAC to 240VAC voltage enter. The white wire (marked ‘N’ around the label) could be the neutral leg for 24VAC or 120VAC; or one other very hot leg for 208/240VAC.With this particular purpose, you can save