Title 49

PART 234 SUBPART D

Subpart D - Maintenance, Inspection, and Testing

49:4.1.1.1.28.4.86SUBJGRP 86
Maintenance Standards
49:4.1.1.1.28.4.86.1SECTION 234.201
   234.201 Location of plans.
49:4.1.1.1.28.4.86.2SECTION 234.203
   234.203 Control circuits.
49:4.1.1.1.28.4.86.3SECTION 234.205
   234.205 Operating characteristics of warning system apparatus.
49:4.1.1.1.28.4.86.4SECTION 234.207
   234.207 Adjustment, repair, or replacement of component.
49:4.1.1.1.28.4.86.5SECTION 234.209
   234.209 Interference with normal functioning of system.
49:4.1.1.1.28.4.86.6SECTION 234.211
   234.211 Security of warning system apparatus.
49:4.1.1.1.28.4.86.7SECTION 234.213
   234.213 Grounds.
49:4.1.1.1.28.4.86.8SECTION 234.215
   234.215 Standby power system.
49:4.1.1.1.28.4.86.9SECTION 234.217
   234.217 Flashing light units.
49:4.1.1.1.28.4.86.10SECTION 234.219
   234.219 Gate arm lights and light cable.
49:4.1.1.1.28.4.86.11SECTION 234.221
   234.221 Lamp voltage.
49:4.1.1.1.28.4.86.12SECTION 234.223
   234.223 Gate arm.
49:4.1.1.1.28.4.86.13SECTION 234.225
   234.225 Activation of warning system.
49:4.1.1.1.28.4.86.14SECTION 234.227
   234.227 Train detection apparatus.
49:4.1.1.1.28.4.86.15SECTION 234.229
   234.229 Shunting sensitivity.
49:4.1.1.1.28.4.86.16SECTION 234.231
   234.231 Fouling wires.
49:4.1.1.1.28.4.86.17SECTION 234.233
   234.233 Rail joints.
49:4.1.1.1.28.4.86.18SECTION 234.235
   234.235 Insulated rail joints.
49:4.1.1.1.28.4.86.19SECTION 234.237
   234.237 Reverse switch cut-out circuit.
49:4.1.1.1.28.4.86.20SECTION 234.239
   234.239 Tagging of wires and interference of wires or tags with signal apparatus.
49:4.1.1.1.28.4.86.21SECTION 234.241
   234.241 Protection of insulated wire; splice in underground wire.
49:4.1.1.1.28.4.86.22SECTION 234.243
   234.243 Wire on pole line and aerial cable.
49:4.1.1.1.28.4.86.23SECTION 234.245
   234.245 Signs.
49:4.1.1.1.28.4.87SUBJGRP 87
Inspections and Tests
49:4.1.1.1.28.4.87.24SECTION 234.247
   234.247 Purpose of inspections and tests; removal from service of relay or device failing to meet test requirements.
49:4.1.1.1.28.4.87.25SECTION 234.249
   234.249 Ground tests.
49:4.1.1.1.28.4.87.26SECTION 234.251
   234.251 Standby power.
49:4.1.1.1.28.4.87.27SECTION 234.253
   234.253 Flashing light units and lamp voltage.
49:4.1.1.1.28.4.87.28SECTION 234.255
   234.255 Gate arm and gate mechanism.
49:4.1.1.1.28.4.87.29SECTION 234.257
   234.257 Warning system operation.
49:4.1.1.1.28.4.87.30SECTION 234.259
   234.259 Warning time.
49:4.1.1.1.28.4.87.31SECTION 234.261
   234.261 Highway traffic signal pre-emption.
49:4.1.1.1.28.4.87.32SECTION 234.263
   234.263 Relays.
49:4.1.1.1.28.4.87.33SECTION 234.265
   234.265 Timing relays and timing devices.
49:4.1.1.1.28.4.87.34SECTION 234.267
   234.267 Insulation resistance tests, wires in trunking and cables.
49:4.1.1.1.28.4.87.35SECTION 234.269
   234.269 Cut-out circuits.
49:4.1.1.1.28.4.87.36SECTION 234.271
   234.271 Insulated rail joints, bond wires, and track connections.
49:4.1.1.1.28.4.87.37SECTION 234.273
   234.273 Results of inspections and tests.
49:4.1.1.1.28.4.88SUBJGRP 88
Requirements for Processor-Based Systems
49:4.1.1.1.28.4.88.38SECTION 234.275
   234.275 Processor-based systems.