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