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tygerr39 t1_iy4oivk wrote

What if there is already another cable in the pipe? Will the vacuum/compressed air methods still work?

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Zorbick t1_iy4q5j2 wrote

When that happens I usually fashion a tiny parachute and attach it to the string, then vacuum. The parachute can bounce around in the diameter of the tube a bit better so is less likely to get snagged on the existing wire as it gets pulled through.

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