US Patent 7134911 Keyed electrical connector with sealing boot

A seal for an electrical connector in a connector block having a connector channel with a keyway is provided. The seal includes a tubular body that defines a longitudinal axis therethrough. The body includes a forward portion defining a forward end and a rearward portion defining a rearward end. The body is configured to be received in a connector channel in the connector block. A key portion extends longitudinally along an outer surface of the body. The key portion is configured to be received in the keyway in the connector channel. The body and the key portion seal the connector channel in the connector block when the connector is loaded into the connector block.