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20. Lightning - For added protection for this product during a lightning storm, or when it is left
unattended and unused for long periods of time, unplug it from the wall outlet and disconnect
the antenna or cable system. This will prevent damage to the product due to lightning and
power-line surges.
21. Safety Check - Upon completion of any service or repairs to this product, ask the service
technician to perform safety checks to determine that the product is in proper operation
condition.
22. Overloading - Do not overload wall outlets, extension cords, or integral convenience
receptacles as this can result in a risk of fir or electric shock.
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
GROUND
CLAMP
ELECTRIC
SERVICE
EQUIPMENT
$9( 7+( ( ,1 758&7,21 )25 )8785( 5()(5(1&(
&21' (16$7,21
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ANTENNA
LEAD IN WIRE
ANTENNA DISCHARGE UNIT
(NEC SECTION B10-20)
GROUNDING CONDUCTOR
(NEC SECTION B10-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250 PARTH)
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