25. If an outside antenna or cable system is connected to the TV, be sure the antenna or cable system is grounded to provide
some protection against voltage surges and built-up static charges. Section 810 of the National Electrical Code,
ANSI/NFPA NO.70, provides information with respect to proper grounding of the mast and supporting structure,
grouding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge
unit, connection to grounding electrodes, and requirements for the grounding electrodes. (See Diagram Figure A.)
24. To reduce the risk of electric shock, the grounding of center pin of plug must be maintained.
Safety Precautions
iii
ANTE NNA
LEAD
IN
WIRE
GROU ND
CLAM P
GR OUN DIN G CO NDU CTO RS
(N EC
S ECT ION 81 0-2 1 )
GR OUN D
C LAM PS
PO WER SE RVI CE GRO UND I
NG
EL ECT ROD E
S YST EM
(N EC
A RT 250 , P ARTH)
EL ECT RIC SER VIC
E
EQ UIP ME
N T
AN TEN N
A
DI SCH ARG E U NI
T
(N EC
S ECT ION 81 0-20 )
Diagram Figure A
23. WARNING: To prevent injury, this apparatus must be securely attached to the floor/wall in accordance with the
installation instructions.
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