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TRANSCRIPT
Traffic Signals 101
Topic 5
Cabinets
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• Traffic Signal Cabinet and Signal Service Cabinet
Traffic Signal Cabinet
Signal ServiceCabinet
Concrete Pad
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• Traffic Signal Cabinet and Signal Service Cabinets
Close-up of SignalService Cabinet
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• Field Wiring in Traffic Signal Cabinet
IndicationHook-ups
Indication returns and grounds
Loop/PPBHook-ups
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• Typical Traffic Signal Cabinets
“R” Cabinet(77” height)
“P” Cabinet(60” height)
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• Power Panel
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• Cabinet Fans/Convenience Light Panel
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• Detector Interface Panel
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• Detector Amplifier Rack
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• Controller Interface / Load-Switch / Flash Transfer Relay Panel
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• Auxiliary Interface Panel
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• Loop/Pedestrian Push-Button Hook-up Panel
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• Auxiliary panel
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• Police panel
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• HANDOUT - typical Cabinet Print (3 pages)