In contrast, the positive terminal on the battery charger is exposed and works with the positive terminal hidden on the side of the vehicle. In most vehicles, this means that the exposed terminal is connected to the negative terminal of the battery. The polarity of the connector, when installed in a vehicle and connected to the battery, will always prevent a short circuit from occurring if the exposed terminals are in contact with the vehicle chassis. The connector is typically used to apply maintenance charges to the vehicle battery. It is named after the Society of Automotive Engineers that created the specification on which this connector is based.(dc power connector types)Īlthough the plugs are physically androgynous and any SAE connector can be connected to any other SAE connector, they are not electrically androgynous, and care needs to be taken to maintain the correct polarity when connecting the different plugs to each other.(dc power connector types) The SAE connector is a physically self-mating, hermaphroditic, two-conductor DC connector typically used in solar and automotive applications (also motorcycles). Types vary from small coaxial connectors used to power portable electronic devices from AC adapters to connectors used for battery packs in automotive accessories and portable devices.(dc power connector types) SAE Connectors The size and arrangement of DC connectors can be selected to prevent the accidental interconnection of incompatible power supplies and loads. There are more standard types of DC connectors than domestic AC power plugs and receptacles, which are not interchangeable.
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