Lucent Technologies Round Cell Batteries
Issue 3 December 1999 Safety 4 - 5
Electrical
Hazard,
continued
• 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.).
• If Round Cells are used on metal stands, install nonconducting mats
between the battery and the shelf.
• Electricity produces magnetic fields that can affect implanted
electronic devices. The strength of the magnetic field depends on the
amount of current in the circuit, as well as other conditions (such as:
number of conductors, placement, and distance from the conductor).
DC power and distribution systems, including the batteries, that are
typically used in telecommunication utility rooms can operate at high
current levels. Personnel with electronic medical devices need to be
aware of their restrictions when working around electricity.
Shock Hazard A single cell is typically at low voltage; however, cells connected
together in a system can pose a shock hazard in addition to an energy
hazard.
• When interconnection of the cells creates a hazardous voltage supply,
post appropriate warnings in the end systems or installations.
• For all systems and/or installations, use additional markings based on
the use of the battery, industry standards, and local, state, and federal
regulations.
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