34 Pa. Code § 39.391
Only after protecting tags have been removed as outlined in § 39.390 (relating to removal of tags) from points of disconnection shall the chief operator at his discretion, direct the removal of protective grounds and blocks and the closing of any or all switches and disconnectors.
34 Pa. Code § 39.391
This section cited in 34 Pa. Code § 39.339 (relating to fire extinguishers); 34 Pa. Code § 39.353 (relating to special authorization); 34 Pa. Code § 39.367 (relating to when to kill parts); 34 Pa. Code § 39.381 (relating to general provisions); 34 Pa. Code § 39.411 (relating to general provisions); 34 Pa. Code § 39.421 (relating to general provisions); 34 Pa. Code § 39.431 (relating to general provisions); 34 Pa. Code § 39.441 (relating to general provisions); 34 Pa. Code § 39.451 (relating to general provisions); and 34 Pa. Code § 39.461 (relating to general requirements).