Daktronics AF-3700-20 RGB - Manual (Page 24)

Terminating three-phase power to the internal power termination panel:
1.
Open the display as explained in Section 6.1 and locate the power termination panel.
2.
Route the cable through conduit to the back of the display. Use one of the knockouts
for access, being careful not to damage internal components.
3.
Connect the neutral wire to the neutral lug and the live wires to the lugs labeled A, B,
and C. Refer to the following figures for the number of breakers in a specific display.
4.
The ground wire connects to the grounding bus bar.
Refer to Figure 20, Figure 22, and Figure 21 for various examples.
Figure 22: Three-phase 6-breaker
Panel for Domestic and International
Figure 20: Three-phase Wiring for 9, 12, and 18
Breaker Domestic Panels
Figure 21: Three-phase Wiring for 9 and 12 breaker
International Panels
Power Installation 14