When poles are stepped, use should be made of such steps in climbing. Employes shall not support themselves by pins, brackets, or conductors.
34 Pa. Code § 39.423
This section cited in 34 Pa. Code § 39.421 (relating to general provisions); 34 Pa. Code § 39.441 (relating to general provisions); and 34 Pa. Code § 39.461 (relating to general requirements).