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Safety precautions – Daewoo RD-400 User Manual

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1. Safety Precautions

13.Outdoor Antenna Grounding - If an outside antenna is

connected to the receiver be sure the antenna system is
grounded so as to provide some protection against voltage
surges and built-up static charges. Article 810 of the National
Electrical Code, ANSI/NFPA 70, provides information with
regard to proper grounding of the mast and supporting
structure, grounding of the lead-in wire to an antenna-dis
charge unit, size of grounding conductors,location of antenna-
discharge unit, connection to grounding electrodes and
requirements for the grounding electrode. See Figure 1.

14.Non-use Periods - The power cord of the appliance should be

unplugged from the outlet when left unused for a long period
of time.

15.Object and Liquid Entry - Care should be taken so that objects

do not fall and liquids are not spilled into the enclosure through
openings.

16.Damage Requiring Service - The appliance should be

serviced by qualified service personnel when:
a) The power-supply cord or the plug has been damaged; or
b) Objects have fallen, or liquid has been spilled into the
appliance; or
c) The appliance has been exposed to rain; or
d) The appliance does not appear to operate normally or
exhibits a marked change in performance; or
e) The appliance has been dropped, or the enclosure
damaged.

17.Servicing - The user should not attempt to service the

appliance beyond that described in the operating instructions.
All other servicing should be referred to qualified service
personnel.

ANTENNA DISCHARGE UNIT

(NEC SECTION 810-20)

ANTENNA LEAD

IN WIRE

POWER SERVICE GROUNDING

ELECTRODE SYSTEM

(NEC ART 250 PART H)

GROUND CLAMP

ELECTRIC

SERVICE

EQUIPMENT

GROUNDING CONDUCTORS

(NEC SECTION 810-21)

GROUND CLAMPS

EXAMPLE OF ANTENNA

GROUNDING

NEC - NATIONAL ELECTRICAL CODE

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