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Method #1:

Bring the ends together. Use ohm-meter to measure resistance between the ends.

Compare with manufacturer's specification for the cable's resistance per 100-ft

or 100-m.

Method #2: Only possible if the cable has more than 1 conductor.

At one end of the cable, connect two conductors together. At the other end, use an

ohm-meter to measure the resistance between the same two conductors. If the meter

shows open-circuit, then at least one of those conductors is broken in the cable.

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Q: How do you check continuity of 300 meter long cable?
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