readAttributeRmsVoltageMaxPhaseC(completion:)
Declaration
func readAttributeRmsVoltageMaxPhaseC(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeRmsVoltageMaxPhaseC() async throws -> NSNumberfunc readAttributeRmsVoltageMaxPhaseC(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeRmsVoltageMaxPhaseC() async throws -> NSNumber