● Stay away from the equipment when preparing cables to prevent cable scraps
from entering the equipment. Cable scraps may cause sparks and result in
personal injury and equipment damage.
● When routing PV cables whose pipe is less than 1.5 m long, the positive and
negative PV string cables shall be routed in dierent pipes to prevent cable
damage and short circuits caused by improper operations during construction.
Figure 5-1 Cable routing in dierent pipes
The cable colors shown in the electrical connection diagrams provided in this section are for
reference only. Select cables in accordance with local cable specications (green-and-yellow
cables are only used for protective earthing).
5.2 Crimping an OT or DT Terminal
Requirements for the OT or DT Terminal
● If a copper cable is used, use copper wiring terminals.
● If a copper-clad aluminum cable is used, use copper wiring terminals.
● If an aluminum alloy cable is used, use copper-aluminum transition wiring
terminals, or aluminum wiring terminals along with copper-aluminum
transition spacers.
SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1)
User Manual 5 Electrical Connections
Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd. 41
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