Electrical Systems - Manufacturer Requirements
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FEDERAL LAW
183.420 - Batteries
(b) Each battery must be installed so that metallic objects cannot come in contact with the ungrounded battery terminals.
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If an ungrounded battery terminal is left exposed, it is possible that an accidental connection to ground could occur. The use of, or dropping of, tools nearby could make such a connection during routine engine servicing. This connection could result in a spark of sufficient energy to ignite any explosive vapors that might be present or to start an electrical fire.
To prevent accidental contact with the ungrounded battery terminal, it may be covered with a boot or non-conductive shield. The battery could be installed in a covered battery box or special, fitted compartment. (See Figure 14).
FIGURE 14 - Ungrounded Battery Terminal Connection
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TO COMPLY WITH THE LAW
- Have precautions been taken to prevent metallic objects from coming in contact with the ungrounded battery terminal when the battery is in its installed position?
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