If I have electrical running from the garage to shed, how do I protect the holes exposed?

Question by John: If I have electrical running from the garage to shed, how do I protect the holes exposed?
If I have electrical running from the garage to shed, how do I protect the holes exposed?
If I have electrical running from the garage to shed (only about 2m exposed to the outside) I have flexible conduit but how to I protect the cable by the holes that I have drilled through the shed & garage wall, i.e. how do I make the conduit stay in place. Do I fill the holes with filla?

Best answer:

Answer by jl
use the expanding foam.

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