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