General

Sections

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