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