Wiring:The iWave-R includes a patented universal voltage 24VAC to 240VAC input functionality. The black wire (marked ‘AC’ on label) is for 24VAC to 240VAC voltage enter. The white wire (marked ‘N’ around the label) is the neutral leg for 24VAC or 120VAC; or another warm leg for 208/240VAC. Know https://donor-search68901.fitnell.com/69364967/donor-search-things-to-know-before-you-buy