Rats eating electrical insulation is sometimes a problem for jet aircraft parked overnight. It's one of those things that gets checked in the initial walk-around. What is it with rodents and wiring? In the US, a fortune is spent by telecoms on research to find out how to keep squirrels from eating phone cabling. One of the big blackouts (from Canada to near Washington DC by memory) was caused by a squirrel eating insulation in a transformer, causing a short circuit and down went the lights for 40 million people. It's going to be a bigger problem as there are more sensors around vehicles. Even if our new D5's run on fibre optics power telemetry systems is still needed.
At least this is one advantage for Perth having been in a drought....



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