49. No rope with a form of capping in which the wires at the end of the rope are bent back on the rope itself to form a cone shall be used in any haulage apparatus by means of which persons are carried or in any winding apparatus, unless—
(a)wedges formed by lapping with soft iron wire are placed between the rope and the wires which are bent back; and
(b)the length of the tapered portion of the socket of the capel is not less than eight times the diameter of the rope.