Important Safety Instructions
ii
21. Battery Usage CAUTION - To prevent battery leakage that may result in bodily injury, property damage, or
damage to the units:
• Install all batteries correctly, with + and - aligned as marked on the unit.
• Do not mix batteries (old and new or carbon and alkaline, etc.).
• Remove batteries when the unit is not used for a long time.
Note to the CATV system installer: This reminder is provided to call the CATV system installer's attention to
Article 820-40 of the NEC that 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 cable entry
as practical.
ANTENNA LEAD IN WIRE
GROUNDING CONDUCTORS
(NEC
SECTION 810-21)
G
ROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC
ART. 250, PART H)
E
LECTRIC SERVICE EQUIPMENT
GROUND CLAMP
ANTENNA DISCHARGE UNIT
(NEC
SECTION 810-20)