A plug cap assembly for use on a plug (10) comprises a plug cap (20) configured for releasable arrangement on at least a part of a plug head portion, and comprises a flexible connection member (21) having a first end and a second end, a flexible connection (23) between a cap top portion (26) and said second end, and a connection element (24; 24′) releasably connected to the plug or to a cable (9). The flexible connection member may be moved with respect to the connection element and a suspended length (1) may be adjusted such that it is less than a distance (d) between the suspension structure (25) and an adjacent vehicle body (3).