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