Electrical Installation
11
3�
Route the power cables through the 1
1
/
2
" conduit hub, into the SCP, and into the A41
panelboard.
4�
Terminate each wire at the appropriate terminal block and earth-ground lug.
Conduit Sealing
Fill the ends of conduits entering the display with duct seal.
Module Connection
2-pin connectors make the low voltage power connections within the display. Power for
each module is provided with the use of one red and one black wire. Power connections
are completed at the factory.
Fans and Power Supplies Connection
The fans and power supplies use 120 VAC from the panelboard. The surge suppressor in
the panelboard protects the internal components from damaging power surges.
Traffic Cabinet
Individually wire the following items directly to the earth-ground rod with an 8 AWG or
larger wire according to local and national codes.
• Earth-ground lug mounted on the rear of the panelboard
• Conduit grounding collars
• Earth-ground connection inside the panelboard
Earth-ground rods must be installed and connected per local and national codes.
• Connect the auxiliary power connection to the panelboard.
• Connect the neutral power wire to the neutral bus.
• Connect the hot wires from the terminals to the panelboard lugs.