Lenovo IdeaPad Y430 - Manual (Page 131)

Appendix D. Notices
122
„ Example of antenna grounding
Ground clamp Power service grounding electrode
system (NEC Article 250, Part H)
Antenna lead-in wire Ground clamps
Antenna discharge unit
(NEC Section 810-20) Electronic service equipment
Grounding conductors
(NEC Section 810-21)