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5
FIGURE 1
EXAMPLE OF ANTENNA GROUNDING ACCORDING TO
NATIONAL ELECTRICAL CODE INSTRUCYIONS
CONTAINED IN ARTICLE 810 -"RADIO AND TELEVISION EQUIPMENT"
GROUND CLAMP
ELECTRIC
SERVICE
EQUIPMENT
ANTENNA LEAD
IN WIRE
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
NEC - NATIONAL ELECTRICAL CODE
This Class B digital apparatus meets all
requirements of the Canadian Interference-
Causing Equipment Regulations.
Cet appareil numérique de la Classe B
respecte toutes les exigences du Règlement
sur le matérier brouilleur du Canada.
NOTE:
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interfer-
ence in a residential installation. This equipment gener-
ates, uses and can radiate radio frequency energy and,
if not installed and used in accordance with the instruc-
tions, may cause harmful interference to radio commu-
nications. However, there is no guarantee that interfer-
ence will not occur in a particular installation. If this
equipment does cause harmful interference to radio or
television reception, which can be determined by turn-
ing the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the
following measures:
– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and
receiver.
– Connect the equipment into an outlet on a circuit
different from that to which the receiver is connected.
– Consult the dealer or an experienced radio/TV tech-
nician for help.
NOTE:Changes or modifications may cause this unit to
fail to comply with Part 15 of the FCC Rules and may void
the user's authority to operate the equipment.
NOTE TO CATV SYSTEM INSTALLER:
This reminder is provided to call the CATV (Cable-TV) system installer's attention to Article 820-40 of the NEC, which
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 to the point of cable entry as practical.