Electrical safety is essential for enjoying amateur radio. Many people are killed each year by by coming in contact with ordinary power line conductors--the most hazardous aspect of model rocketry is people attempting to retrieve their rockets from powerlines.  Hams face a similar problem--the installation of antennas can put us in harm's way--way too close to dangerous power lines.  Similarly, much of our equipment is powered by electrical mains--one can't be too careful when opening up equipment for servicing.

Electrical Safety
The ARRL Antenna Book, 18^th Edition, pp. 1-8 to 1-16

• Department Of Energy Electrical Safety Handbook
  
• Welcome to the Electrical Safety Forum
  The Electrical Contractor Network is a locator for Licensed Electrical Contractors, Electricians and their Electrical Suppliers across the US.

• Appalachian Power has Electrical Safety E-Learning and safety videos online.

• OSHA Fact sheet on Grounding Requirements for Portable generators.

• Portable Generators and OSHA Construction Standards.  This monograph by John “Grizzley” Grzywacz explains why OSHA does not require the grounding of portable generators.