Lucent Technologies Round Cell Batteries
4 - 4 Safety Issue 3 December 1999
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.
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,
necklaces, and other metallic items.
• Do not short circuit the battery.
• Ensure proper polarity when making connections.
• Wear non-conductive eye protection.
• Remove items that could fall out of clothing pockets.
• Personnel with implanted electronic medical devices need to be
aware of their restrictions when working around electricity.
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