Wiring:The iWave-R features a patented universal voltage 24VAC to 240VAC enter ability. The black wire (marked ‘AC’ on label) is for 24VAC to 240VAC voltage enter. The white wire (marked ‘N’ within the label) is the neutral leg for 24VAC or 120VAC; or the other sizzling leg for 208/240VAC.Using this type of purpose, It can save you each of