HOW TO PROVIDE
LIGHTNING PROTECTION
FOR TV ANTENNA AND SET
Step 1.
Mount the grounding block
as close as possible to where the
75 ohm coaxial cable downlead
enters the house. See Figure 3.
Step 2.
The ground wires for both
the mast and the downlead should
be copper or aluminum wire,
number eight (8) or larger. See
Figure 3.
Step 3.
The downlead wire from
the antenna to the grounding block
and the mast ground wire should
be secured to the house spaced
from four (4) to six (6) feet apart.
See Figure 3.
NOTE:
In the case of a “ground
up” antenna installation, it may not
be necessary to ground the mast
if the mast extends four or more
feet into the earth. Consult a TV
serviceman for the proper depth in
your location.
Fig. 3
STEP 1.
Remove antenna from carton
and unfold elements, making certain the
elements lock tightly into place and are
flat and parallel to each other.
STEP 2.
To attach the cartridge hous-
ing to the antenna, align the snaps
on the cartridge housing with the
snap holes on the cartridge housing
receptacle on the antenna and push
the housing into the receptacle until it
snaps into place. See Figure 1.
STEP 3.
Slide weather boot over the
75 ohm coaxial cable. Install connec-
tor and attach the "downlead " to the
connector on cartridge housing. Slide
weather boot over connectors and
boot collar. See Figure 1
.
STEP 4.
Mount antenna on mast, point front
(small end) towards stations and tighten mast
clamp securely. See Figure 2.
STEP 5.
The 75 ohm coaxial cable
downlead may be secured to the mast by
taping or use of plastic wire ties.
Fig. 2
1/4" HEX
NUTS
MASTING
2" OD MAX.
Fig. 1
CARTRIDGE HOUSING
RECEPTACLE
75 OHM COAXIAL
CABLE (DOWNLEAD)
BOOT
COLLAR
CARTRIDGE
HOUSING
DOWNLEAD
JACK
WEATHER BOOT
Antenna Lead
In Wire
Ground
Clamp
Electric
Service
Equipment
Antenna
Discharge Unit
(NEC Section 810-21)
Power Service Grounding
Electrode System
(NEC Art 250, Part H)
Ground
Clamps
NEC - National Electrical Code
Example of antenna grounding as per
National Electrical Code, ANSI/NFPA 70
Grounding Conductor
(NEC Art 250, Part H)
Antenna Mast
