the disclosed invention improves upon electrical connectors that when mated together provide electrical continuity across the connectors , and that are held mated together by bayonet locking means . a sleeve element is threaded onto an exterior portion of one of the connectors and bottomed upon rotation against the opposite connector and / or support structure for the opposite connector . this bottomed sleeve element maintains the bayonet locking means engaged , and thereby prevents accidental disengagement of the connectors .