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