General

  1. Law
  2. CFR 49
  3. Transportation
  4. Other Regulations Relating to Transportation
  5. Federal Railroad Administration, Department of Transportation
  6. Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances
  7. Rules and Instructions: All Systems
  8. General

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Section
236.1

Plans, where kept.

Section
236.2

Grounds.

Section
236.3

Locking of signal apparatus housings.

Section
236.4

Interference with normal functioning of device.

Section
236.5

Design of control circuits on closed circuit principle.

Section
236.6

Hand-operated switch equipped with switch circuit controller.

Section
236.7

Circuit controller operated by switch-and-lock movement.

Section
236.8

Operating characteristics of electromagnetic, electronic, or electrical apparatus.

Section
236.9

Selection of circuits through indicating or annunciating instruments.

Section
236.10

Electric locks, force drop type; where required.

Section
236.11

Adjustment, repair, or replacement of component.

Section
236.12

Spring switch signal protection; where required.

Section
236.13

Spring switch; selection of signal control circuits through circuit controller.

Section
236.14

Spring switch signal protection; requirements.

Section
236.15

Timetable instructions.

Section
236.16

Electric lock, main track releasing circuit.

Section
236.17

Pipe for operating connections, requirements.

Section
236.18

Software management control plan.