A rotationally configurable backshell to be joined to an electrical connector, the rotationally configurable backshell comprising: a connector body having a connector interface and a shield interface, the connector interface configured to engage and form an electrical connection with the electrical connector; a shield termination body having a connector end and a relief end; the connector end being joined to the shield interface of the connector body, the shield termination body being configured to shield a cable extending from the electrical connector; and a strain relief having a shield end and a cable clamp end, the shield end being rotatably joined to the relief end of the shield termination body, the shield end of the strain relief being rotatable with respect to the relief end of the shield termination body so that a face of the cable clamp end of the strain relief is positionable at variable angles with respect to the face of the connector end of the shield termination body, the cable clamp end of the strain relief being configured to secure the cable extending from the electrical connector, the face of the connector end of the shield termination body being oriented.at an angle with respect to a face of the relief end thereof and a face of the shield end of the strain relief being oriented at an angle with respect to the face of the cable clamp end thereof, wherein the relief end of the shield termination body includes protrusions and the shield end of the strain relief includes notches, the notches of the strain relief being configured to receive the protrusions (1.46) of the shield termination body to limit rotation of the strain relief with respect to the shield termination body. a connector body having a connector interface and a shield interface, the connector interface configured to engage and form an electrical connection with the electrical connector; a shield termination body having a connector end and a relief end; the connector end being joined to the shield interface of the connector body, the shield termination body being configured to shield a cable extending from the electrical connector; and a strain relief having a shield end and a cable clamp end, the shield end being rotatably joined to the relief end of the shield termination body, the shield end of the strain relief being rotatable with respect to the relief end of the shield termination body so that a face of the cable clamp end of the strain relief is positionable at variable angles with respect to the face of the connector end of the shield termination body, the cable clamp end of the strain relief being configured to secure the cable extending from the electrical connector, the face of the connector end of the shield termination body being oriented.at an angle with respect to a face of the relief end thereof and a face of the shield end of the strain relief being oriented at an angle with respect to the face of the cable clamp end thereof, wherein the relief end of the shield termination body includes protrusions and the shield end of the strain relief includes notches, the notches of the strain relief being configured to receive the protrusions (1.46) of the shield termination body to limit rotation of the strain relief with respect to the shield termination body.