This lifeline is used as a part of marine fire-fighter's outfit. It consists of a 30 m stainless steel wire and has a diameter of 5 mm fitted with a spliced thimble and snap hook at each end. 40 m, 50 m and other length lines are optional.
For each breathing apparatus a fireproof lifeline of at least 30 m in length shall be provided. This lifeline have a minimum nominal breaking load of at least 10 kN, and is able to withstand a static proof load of at least 3,5 kN for 5 min without failure.
This lifeline is capable of attachment by means of a snaphook to the harness of the apparatus or to a separate belt. This lifeline YBLL1 and its associated fittings are of materials materials unlikely to create sparks.