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3. Punch holes as needed.
4. Attach watertight NEMA 4 hubs to the holes.
5. Replace the gland plate taking care to evenly seat the gasket material against the
cabinet.
6. Tighten screws until snug. Do not overtighten.
Figure 4-11 Bottom Entry Gland Plates - DC Side Figure 4-12 Side Entry Gland Plates - AC Side
4.5 Electrical Connections
Proceed with making the electrical connections of the inverter once it has been properly
secured to the concrete slab. Terminal connections for the inverter are located inside the
unit. When facing the inverter:
DC terminals are located on the left side
AC terminals are on the right side
The AC and DC busbars accept standard terminal lug-crimped wires mounted to the
busbar ttings with standard 3/8” mounting hardware.
For the optional fused subcombiners, the wire is inserted directly into the fuse holder
assembly. Accepted cables sizes for each subcombiner lug option are shown in Table D-4
in
Appendix D - Limits, Fault Codes, Torque Values, and Wire Sizes
.
The inverter is a NEMA 4 enclosure. Use only rain-tight or wet-location conduit hubs
and install these hubs as shown in the following gure.
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