JWZ's post contains more updates than the email posted here: http://www.jwz.org/blog/2002/11/engineering-pornography/

And from 6 years ago:

https://news.ycombinator.com/item?id=193112

with the more descriptive title How to repair a 230KV, 10 mile long coaxial power cable. Talk of cable size in the power inverter contest post reminded me of this.

I liked it so much I not only read it last year, I read it again. I lost one of my coworkers when he left to go work for LA power. I like to think he gets to work on cool stuff like this from time to time.