49 CFR Topic
General
November 18, 2020
§
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
Spring switch; selection of signal control circuits through circuit controller
§
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
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