A gas turbine engine comprising an electrical raft assembly that comprises: an electrical raft that forms at least a part of an electrical harness of the gas turbine engine; and an electronic control unit mounted on the electrical raft, wherein the electrical raft comprises: a rigid material having multiple electrical conductors embedded therein; a mounting surface on which the electronic control unit is mounted using a mounting surface of the electronic control unit; and an electrical connector for electrically connecting electrical conductors in the electrical raft to the electronic control unit, the electrical connector being provided in a recess extending from the mounting surface of the electrical raft into the rigid material, wherein the electrical connector comprises: an embedded portion that is embedded in the rigid material; a contact portion, at least partially protruding from a surface of the rigid material; and a resiliently biased portion configured to bias the contact portion away from the embedded portion when the contact portion is moved towards the embedded portion, the resilient bias acting in a plane that is substantially parallel to the mounting surface, and wherein: the electronic control unit comprises a unit electrical connector that extends from the electronic control unit into the electrical raft and is in electrical contact with the contact portion of one or more of the or each electrical connectors of the electrical raft; and the electrical raft and the electronic control unit are mechanically fixed together using mechanical fixings that are independent of the electrical connectors. an electrical raft that forms at least a part of an electrical harness of the gas turbine engine; and an electronic control unit mounted on the electrical raft, wherein the electrical raft comprises: a rigid material having multiple electrical conductors embedded therein; a mounting surface on which the electronic control unit is mounted using a mounting surface of the electronic control unit; and an electrical connector for electrically connecting electrical conductors in the electrical raft to the electronic control unit, the electrical connector being provided in a recess extending from the mounting surface of the electrical raft into the rigid material, wherein the electrical connector comprises: an embedded portion that is embedded in the rigid material; a contact portion, at least partially protruding from a surface of the rigid material; and a resiliently biased portion configured to bias the contact portion away from the embedded portion when the contact portion is moved towards the embedded portion, the resilient bias acting in a plane that is substantially parallel to the mounting surface, and a rigid material having multiple electrical conductors embedded therein; a mounting surface on which the electronic control unit is mounted using a mounting surface of the electronic control unit; and an electrical connector for electrically connecting electrical conductors in the electrical raft to the electronic control unit, the electrical connector being provided in a recess extending from the mounting surface of the electrical raft into the rigid material, wherein the electrical connector comprises: an embedded portion that is embedded in the rigid material; a contact portion, at least partially protruding from a surface of the rigid material; and a resiliently biased portion configured to bias the contact portion away from the embedded portion when the contact portion is moved towards the embedded portion, the resilient bias acting in a plane that is substantially parallel to the mounting surface, and an embedded portion that is embedded in the rigid material; a contact portion, at least partially protruding from a surface of the rigid material; and a resiliently biased portion configured to bias the contact portion away from the embedded portion when the contact portion is moved towards the embedded portion, the resilient bias acting in a plane that is substantially parallel to the mounting surface, and the electronic control unit comprises a unit electrical connector that extends from the electronic control unit into the electrical raft and is in electrical contact with the contact portion of one or more of the or each electrical connectors of the electrical raft; and the electrical raft and the electronic control unit are mechanically fixed together using mechanical fixings that are independent of the electrical connectors.