Marathon Power TRTC-2002-N1, Installation, Operation And Maintenance Manual

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4.4 Connecting the Utility Line Input Power
If the installation is at an active intersection, have law enforcement begin directing
traffic before the power to signals is turned off.
Make sure the upstream circuit breaker for the power source is OFF before performing
this step. Make sure both the BATTERY CIRCUIT BREAKER on the unit is also off.
Make sure the upstream circuit breaker feeding the utility power is OFF before
beginning this step. Leave the NEUTRAL and GROUND wires connected from utility
to signal cabinet. Extend the NEUTRAL and GROUND wires from their corresponding
bus bars in the traffic cabinet to the terminal block on the PTS.
Connect the input HOT black wire from utility to “VAC IN” on PTS. Run wires from neutral
and ground bus bars of traffic cabinet to PTS neutral & ground terminal blocks.
DANGER!
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