Ruijie RG-AP820-I Installation And Reference Manual page 42

Hardware Installation and Reference Guide
○ When using screws to fasten cable lugs, the bolts or nuts shall be tightened and
prevented from loosening, as shown in Figure 7-7.
Figure 7-7 Fastening Cable Lugs
Not 1. Flat washer
e
2. Nut
○
When using a stiff cable, fix it near the cable lug to avoid stress on the lug and cable.
○
Do not use self-tapping screws to fasten terminals.
○ Bundle cables of the same type and running in the same direction into groups. Keep
cables clean and straight.
○
Cables shall be tied according to the following table.
Diameter of Cable Bundle (mm)
10
10 to 30
30
○
Do not tie knots for cables or cable bundles.
○ The metal parts of the cold-pressed terminal blocks, such as air circuit breakers, shall not
be exposed outside of the blocks.
3. Spring washer
4. Flat washer
Space between Bundles (mm)
80 to 150
150 to 200
200 to 300
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Appendix