General use descent control devices shall withstand a test load of 22kn (4946lbf) without failure. Light use descent control devices shall withstand a test load of 13.5kn (3034lbf) without failure. Rope grabs must hold a test load of 11kn (2473lbf) without causing permanent damage to the rope. General use carabiners must have a major axis breaking strength of 40kn (8992lbf)Īscenders must hold a test load of 5kn (1124lbf) without causing permanent damage to the rope. ![]() Light use carabiners must have a major axis breaking strength of 27kn (6069lbf) General use auxiliary equipment will have a design load of at least 2.67kn (600lbf) Light use auxiliary equipment will have a design load of at least 1.33kn (300lbf) General use life safety rope must have a breaking strength of at least 40kn (8992lbf) and a diameter between 13mm (1/2") and 16mm (5/8").Īuxiliary equipment accounts for things such as ascenders, descent control devices, carabiners, rope grabs, snap links, pulleys and anchor slings. Light use life safety rope must have a breaking strength of at least 20kn (4496lbf) and a diameter between 9.5mm (3/8") and 13mm (1/2"). ![]() There are different strengths for different types of equipment. You should be following the manufacturer's recommendations for use of the equipment. This language was removed because there are many peices of "light use" equipment that can be used for rescue loads. The common misunderstanding is that only general use equipment can be used for rescue loads because the old language referred to one-person and two-person loads. Within the standard the designation of light use refers to equipment that is not as strong as general use. This causes most of the confusion out there.īefore I begin, it is important to understand that the NFPA 1983 standard is a manufacturer's standard. The problem is, there are an awful lot of instructors out there who still reference old versions of the standard. ![]() There is only one standard for the terms mentioned and it is the 1983 standard.
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