Lenovo ThinkPad Edge E320 - Manual (Page 11)

Example of antenna grounding
Proper grounding for the cable
1
Ground clamp
5
Power service grounding
electrode system (NEC Article
250, Part H)
2
Antenna lead-in wire
6
Ground clamps
3
Antenna discharge unit (NEC
Section 810-20)
7
Electronic service equipment
4
Grounding conductors (NEC
Section 810-21)
Figure 1. Proper grounding for the cable
Safety and Warranty Guide
ix