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4
FIG. 1
EXAMPLE OF ANTENNA GROUNDING ACCORDING TO
NATIONAL ELECTRICAL CODE INSTRUCTIONS
CONTAINED IN ARTICLE 810 - “RADIO AND TELEVISION EQUIPMENT”
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810–20)
GROUNDING CONDUCTORS
(NEC SECTION 810–21)
ANTENNA
LEAD IN
WIRE
GROUND
CLAMP
ELECTRIC
SERVICE
EQUIPMENT
NEC – NATIONAL ELECTRICAL CODE
NOTE TO CATV SYSTEM INSTALLER:
This reminder is provided to call the CATV system installer’s attention to Article 820–40 of the 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 to the point of cable entry as practical.
This Class B digital apparatus meets all requirements of the
Canadian Interference - Cansing Equipment Regulations.
Cet appareil numérique de la Classe B respecte toutes les
exigences du Règlement sur le matériel brouilleur du Canada.