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Marantz ST-17 User Manual

Page 4

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FIGURE 1

EXAMPLE OF ANTENNA GROUNDING ACCORDING TO

NATIONAL ELECTRICAL CODE INSTRUCTIONS

CONTAINED IN ARTICLE 810 - “RADIO AND TELEVISION 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.

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