Telematrix 3300TRM - Manual (Page 7)

INSTALLATION
Caution
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Never install telephone wiring during a lightning
storm.
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Never install telephone jacks in wet location
unless the jack is specifically designed for wet
locations.
Never touch none insulated telephone wires or
terminal unless the telephone line has been
disconnected at the network interface.
Use caution when installing or modifying
telephone lines.
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