Cable splicers and other workmen in underground construction or operation shall study and strictly observe this section and §§ 39.432-39.438 in addition to the general rules in §§ 39.331-39.405 which apply to their work.
34 Pa. Code § 39.431
This section cited in 34 Pa. Code § 39.441 (relating to general provisions); 34 Pa. Code § 39.461 (relating to general requirements); 34 Pa. Code § 39.471 (relating to general requirements); and 34 Pa. Code § 39.491 (relating to general requirements).