Emergency Repairs

Would you believe that during the night thieves came along and stole half a mile of prime electricity supply cable along Midgehole Road. It's copper cable and worth a fortune.
Polly never heard anything, we never heard anything and the sheepdogs at the farm next door didn't hear anything. How do they do it?

This is the full might of Northern PowerGrid replacing it.
Three hours later we were all hooked up again :-)