Two-screw fittings are made in sand-cast, copper -free aluminum (0.4% or less), for single or multi conductor cables.
Two-screw fittings are specifically designed to accept a large range of armour cable with or without PVC external jacket with the proper throat acting as an armour stop.
These aluminum non-watertight fittings are CSA certified for ordinary locations (File LR3313) for armoured cables with or without PVC jacket for DRY LOCATION only, including: Teck Cables, Aluminum Sheathed (corrugated) and Type RA Cables, Communication or Instrumentation Cables.