In the Middle of Nowhere: Choosing Between Two Wires & a 12V Battery

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SUMMARY

The discussion centers on the critical decision-making process for connecting a 12V lead-acid battery to an emergency transmitter without clear polarity indicators. The risk of damaging the transmitter if connected incorrectly is emphasized, highlighting the urgency of making the right choice. Participants are encouraged to share their insights privately to maintain the integrity of the discussion, particularly for educational purposes.

PREREQUISITES
  • Understanding of basic electrical concepts, including voltage and polarity
  • Familiarity with lead-acid battery characteristics
  • Knowledge of emergency transmitter operation
  • Experience with safe wiring practices
NEXT STEPS
  • Research methods for identifying battery polarity without markings
  • Learn about the specifications and safety features of 12V lead-acid batteries
  • Study the operational principles of emergency transmitters
  • Explore best practices for emergency preparedness in remote locations
USEFUL FOR

This discussion is beneficial for emergency responders, survival enthusiasts, and individuals interested in electrical safety and emergency communication systems.

dave101a
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I am lost in the middle of a vast desert in my swim shorts. There is nothing anywhere around me as far as you can see. In front of me is a 12volt battery (say lead acid) with no markings or other indicators of polarity. there are 2 wires long enough to make a connection to the emergency tranmitter next to it, also 12 volt. If it is wired up wrong the transmitter will be destroyed instantly. If it is done right, then i will be rescued. How can i make the right choice.
 
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dave101a said:
I am lost in the middle of a vast desert in my swim shorts. There is nothing anywhere around me as far as you can see. In front of me is a 12volt battery (say lead acid) with no markings or other indicators of polarity. there are 2 wires long enough to make a connection to the emergency tranmitter next to it, also 12 volt. If it is wired up wrong the transmitter will be destroyed instantly. If it is done right, then i will be rescued. How can i make the right choice.

I know the answer. PM me your answer to this so I can unlock the thread and let others answer. If this is homework or schoolwork, we can't let others give you the answer unless we know that you already have figured it out.
 

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