Motorola 305 ユーザーズマニュアル
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Section 810 of the National Electrical Code, ANSI/NFPA No.
70-1984, provides information about the following items:
70-1984, provides information about the following items:
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Proper grounding of the mast and supporting structure.
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Grounding of the lead-in wire to the antenna discharge
unit.
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Size of grounding conductors.
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Location of antenna-discharge unit.
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Connection to grounding electrodes.
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Requirement for the grounding electrode.
Note to the system installer: The purpose of this reminder is to call
your 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. The
illustration is an example of antenna grounding according to the
National Electrical Code Section 810, “Radio and Television
Equipment.” Check your local building and electrical codes for
other restrictions on antenna grounding.
your 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. The
illustration is an example of antenna grounding according to the
National Electrical Code Section 810, “Radio and Television
Equipment.” Check your local building and electrical codes for
other restrictions on antenna grounding.
305.book Page 10 Tuesday, April 15, 2003 11:15 AM