Subjgrp 107. General
- § 236.1 - Plans, where kept.
- § 236.2 - Grounds.
- § 236.3 - Locking of signal apparatus housings.
- § 236.4 - Interference with normal functioning of device.
- § 236.5 - Design of control circuits on closed circuit principle.
- § 236.6 - Hand-operated switch equipped with switch circuit controller.
- § 236.7 - Circuit controller operated by switch-and-lock movement.
- § 236.8 - Operating characteristics of electromagnetic, electronic, or electrical apparatus.
- § 236.9 - Selection of circuits through indicating or annunciating instruments.
- § 236.10 - Electric locks, force drop type; where required.
- § 236.11 - Adjustment, repair, or replacement of component.
- § 236.12 - Spring switch signal protection; where required.
- § 236.13 -
- § 236.14 - Spring switch signal protection; requirements.
- § 236.15 - Timetable instructions.
- § 236.16 - Electric lock, main track releasing circuit.
- § 236.17 - Pipe for operating connections, requirements.
- § 236.18 - Software management control plan.