Connecting The Grounding Conductor - SMA CU 1000-US-11 Installation Manual

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6.
Risk of injury when pressing out the filler plugs
• To connect the conduits to the input openings of the Connection Unit, gently press out one
filler plug for each conduit opening from the inside with a blunt object (e.g screwdriver
handle). Make sure not to damage components of the Connection Unit or the filler plugs.
7. Insert one conduit fitting into each corresponding enclosure opening and tighten from within
using a conduit fitting locknut.
8. Attach the conduit to the conduit fitting.
9. Close any unused output opening on top of the Connection Unit with rain tight or wet location
hole seals or plugs.
10. The factory-mounted hole plugs provided with the Connection Unit can be used to seal any
unused input openings.

6.4 Connecting the Grounding Conductor

The Connection Unit is equipped with two terminals for connecting the grounding conductors. Each
terminal has two connection points.
Overview
Figure 11: Terminals for connecting the grounding conductors
Cable requirements:
☐ The cable must be designed in accordance with the local installation requirements and for
temperatures of over +194°F (+90°C).
☐ Cable type: copper wire
☐ Use only solid or Class B or C stranded wire.
☐ Conductor cross-section: 12 to 1 AWG (single conductor), 12 to 4 AWG (two conductors)
Requirements:
☐ All conduits must be correctly connected to the Connection Unit (see Section 6.3).
☐ The DC switch-disconnector must be turned OFF and the lid of the Connection Unit must be
dismantled.
Installation Manual
6 Electrical Connection
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