Lucent Technologies Enhanced VR Series Batteries
Issue 5 December 1998 Safety and Environmental 4 - 3
Electrical Hazard
Batteries differ from other sources of power in that they are
delivered to the points of installation as live units. A battery
gives no indication by its appearance of the potential energy
stored in it. Batteries have enormous short circuit capability that
can result in serious burns or create dangerous projectiles from
the object causing the short circuit.
• Exercise extreme care to avoid any short circuits across the
battery terminals.
• In a grounded battery system, use extreme care not to short
any metal objects from the ungrounded battery terminal to
ground (which can include the equipment metal chassis,
building structure, cable racks, etc.).
• Even a single battery poses a potentially high energy hazard
if shorted. Shorting a battery may result in explosion of the
battery, injury to personnel, and damage to equipment. A
tool or other metal object causing the short may be thrown
or vaporized due to the energy produced by the battery or
system.
WARNING
ELECTRICAL HAZARD
In addition to proper job training and safety procedures, the
following are some basic precautions that should always be
followed when working with or around batteries (including
equipment connected to batteries):
• Always use insulated tools.
• Never place uninsulated metal objects on top of a
battery.
• Remove all metal jewelry such as rings, watches,
bracelets, long necklaces, and any other metallic items.
• Do not short circuit the battery.
• Insure proper polarity when making connections.
• Wear eye protection.
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