A1/A2 GLAND FOR UNARMOURED CABLE . To BS 6121 : Part 1 . Suitable for unarmoured, plastic or rubber sheathed cables . Suitable for most indoor and outdoor applications . Seal rated to IP66 . Finish: Natural Brass and also available in Electro Tinned and Nickel A2 FLAME PROOF FOR UNARMOURED CABLE . As above but with these additional benefits : . For use in hazardous environments . Complies with BS5501 Pt 1 and Pt 6 . A2F for flame proof increased safety applications . Threads: Entry threads are metric to BS 3643 and are also available in imperial (ET) . Also available in Aluminium (BS 1474) cable glands