Connectors
 Connectors,
including D-rings and snaphooks, must be made from drop-forged, pressed
or formed steel, or equivalent materials. They must have a corrosion-resistant
finish, with smooth surfaces and edges to prevent damage to connecting parts
of the system. |
 D-Rings
must have a minimum tensile strength of 5,000 pounds, and be proof-tested
to a minimum tensile load of 3,600 pounds without cracking, breaking, or
becoming permanently deformed. |
 Snaphooks
must have a minimum tensile strength of 5,000 pounds, and be proof-tested
to a minimum tensile load of 3,600 pounds without cracking, breaking, or
becoming permanently deformed. They must also be locking-type,
double-locking, designed and used to prevent the disengagement of
the snaphook by the contact of the snaphook keeper with the connected member.
Unless it is designed for the following connections, snaphooks must not be engaged:
- Directly to webbing, rope, or wire.
- To each other.
- To a D-ring to which another snaphook or other connector is attached.
- To a horizontal lifeline.
- To any object which is incompatibly shaped in relation to the snaphook such
that the connected object could depress the snaphook keeper and release
itself.
- 29
CFR 1926 Subpart M, Fall protection. OSHA Standard.
- 1926.502,
Fall protection systems criteria and practices
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