(a) For drum end attachment, wire rope shall be attached--
(1) Securely by clips after making one full turn around
the drum spoke;
(2) Securely by clips after making one full turn around
the shaft, if the drum is fixed to the shaft; or
(3) By properly assembled anchor bolts, clamps, or wedges,
provided that the attachment is a design feature of the hoist drum. Design
feature means either the manufacturer's original design or a design approved
by a registered professional engineer.
(b) A minimum of three full turns of wire rope shall be on the drum
when the rope is extended to its maximum working length.