The following addresses are to sites dealing with electrical wiring, lightning protection, grounding, electrical static on antennas etc etc.

http://www.howstuffworks.com/framed.htm?parent=link482.htm&url=http://www.danswiringpage.com/

http://www.packetradio.com/grounds.htm

http://www.ucar.edu/communications/infopack/lightning/faq.html

http://www.utilicom.com/support/lightning.shtml

http://www.webphysics.tec.nh.us/webphysics/workshop96/guth/final/nas-ltg.htm

http://www.repeater-builder.com/rbtip/buster.html

http://www.lmmc.com/articles/lightning.htm

http://www.p3n.org/pn111900.shtml

http://www.repeater-builder.com/rbtip/static.html

http://www.thewireman.com/ground.html