Power connection, Power connection -6 – Daktronics AF-3065-34-RGB User Manual
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lines and neutral can be disconnected. Refer to Figure 19 for installation details. The National
Electrical Code requires the use of a lockable power disconnect within sight of or at the sign.
Figure 19: Installation with Ground and Neutral Conductor Provided
Installation with Only a Neutral Conductor Provided
Installations where no grounding conductor is provided must comply with article 250-32 of
the National Electrical Code. If the installation in question meets all of the requirements of
article 250-32, the following guidelines must be observed:
· Connect the grounding electrode cable at the local disconnect, never at the sign
panelboard.
· A disconnect that opens all of the ungrounded phase conductors should be used.
· The neutral and the ground conductors should be bonded in the sign panelboard.
Refer to Figure 20 for installation details.
Figure 20: Installation with only Neutral Conductor Provided
Power Connection
Incoming power is connected within the power termination enclosure. Complete the following
steps to terminate the hot and neutral wires at the termination block within the enclosure. Refer to
Drawing A-149554 and the appropriate schematic for your display size.
1. Access the enclosure by removing the left bottom two modules as described in Section 3.5.
Electrical Installation
3-6