Glossary All | # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z There are currently 17 names in this directory beginning with the letter O.OAW ODOff Center OffgassingOhmOhm Law’sOil AgingOil ResistanceOperating TemperatureOSHA OutgassingOverall Diameter (OD) Overcurrent DeviceOverlap Oxidation Oxygen Index Oxygen-free high conductivity copper (OFHC)