Note to catv system installer, Example of antenna grounding, Note – Lenovo 6491 User Manual

Page 16: Catv, System, Installer, Example, Antenna, Grounding

background image

Note

to

CATV

system

installer

This

reminder

is

provided

to

call

the

CATV

system

installer's

attention

to

Article

820-40

of

the

National

Electrical

Code

(NEC)

that

provides

guidelines

for

proper

grounding

and,

in

particular,

specifies

that

the

cable

ground

shall

be

connected

to

the

grounding

system

of

the

building,

as

close

as

possible

to

the

point

of

cable

entry

as

practical.

Example

of

antenna

grounding

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

xiv

User

Guide