Polaroid TLX-04640B User Manual

Page 6

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6

Warnings and Precautions

Outdoor

Antenna Safety Instructions

Antenna lead-in wire

Antenna discharge unit
(NEC section 810-20)

Grounding conductors
(NEC section 810-20)

Ground clamps

Power service grounding
(NEC Art250 part H)

Ground clamps

Electric service
equipment

NEC : National Electrical code

If an outdoor antenna is connected, follow the precautions below:

EXAMPLE OF OUTDOOR ANTENNA GROUNDING

Section 810 of National Electrical Code (NEC) provides information with respect to proper grounding of the
mast and supporting structure, grounding 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 electrode.

▪ An outdoor antenna should not be located in any area where it could come in contact with

overhead power lines, or any other electric light or power circuits.

▪ When installing an outdoor antenna system, extreme caution should be taken to prevent

contact with power lines. Direct contact with power lines may be fatal and should be avoided
at all costs.

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