Figure 8-12 Installing an expansion bolt
(1) M10x65 bolt (2) Spring washer 10 (3) Plastic tube (4) Flat washer 10 (5) Expansion tube
3. Align the AC surge protection box with the holes in the wall, and tighten the expansion
bolts to 30 N·m (265.52 lbf·in.), as shown in Figure 8-13.
Figure 8-13 Installing an AC surge protection box
l Install an AC surge protection box on a wood pole.
8 Installing an AC Surge Protection Box and Related Cables
BTS3902E WCDMA
Installation Guide
8-8 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue Draft A (2011-06-30)
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