LG STB-6500-UB Owner's Manual page 21

NOTE TO CABLE/TV INSTALLER
(For USA and Canada)
This reminder is provided to call the CATV system
installer's attention to Article 820-40 of the National
Electric Code (U.S.A.). The code provides guidelines
for proper grounding and, in particular, specifies
that the cable ground shall be connected to the
grounding system of the building, as close to the
point of the cable entry as practical.
Symbols
Refers to alternating current (AC).
Refers to direct current (DC).
Refers to class II equipment.
Refers to stand-by.
Refers to "ON" (power).
Refers to dangerous voltage.
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