S1 Cable Gland type brass indoor and outdoor cable gland is used with single wire armour (SWA) cable providing a seal on the cable inner sheath and cable outer sheath. A detachable armour cone and clamping ring arrangement allows the cable to be easily disconnected from the equipment, for maintanance etc. This feature also facilities remote make off procedures when the termination is to be conducted in areas of restricted access. Separate tightening operations for the inner displacement seal and the armour finish provides maximum control over the stress associated with the cable inner covers.