PianoDisc PDS150 User Manual page 82

:
.
ANSI/ NFPA
Ground clamp
Electric service
equipment
(CATV)
( ),
,
70.
Ground clamps
Pow er service grounding
electrode system
(NEC ART 250, Part H)
,
,
Antenna lead in w ire
Antenna discharge unit
(NEC Section 810-20)
Grounding conductors
(NEC Section 810-21)
820-40 NED
.
.