Electronics
American Power Design, High Power Electronic Systems, High Voltage Generating Circuits, Interworld Electronics and Computer Industries Inc, Jordan Automations Electronic Hobbyist, Mike's Electric Stuff, Non Inductive, High Voltage Resistors from Hill Te, Power Inverters, Power Inverters, R.D. Electronics Ltd.
Generators
Laser HV Power Supplies, Marx Generators, Quarter Crusher, Tesla Coils, 200 kV Voltage Multiplier, Arcing on a Jacob's Ladder., Chaos Labs High Voltage Projects, Chris Hill's Home Page., Cojo Technologies, Inc., Electrostatic Machines, Fantastically Dangerous Capacitor-bank Experiments, G0UTY, Jacob's Ladder, Physique and Industrie
Lightning and its Effects
Ball Lightning, Cameron & Sons Lightning Rod Installation, Institute of High Voltage Research, Lightning Facts, Lightning Photo Gallery Index Page, Lightning Protection, Lightning Strike Survivor, Lightning-Safe.com, National Lightning Safety Institute, USA Today - Lightning Information Index
Testing and Measurement
50kV Voltmeter, Basics of High Voltage Probe Design, High Voltage Probe, Measuring high voltages, Sphere gap breakdown voltage tables, Vitrek
Detecting the Earth's Electricity
An article from Scientific American 1999 about the field mill voltmeter and the results on Earth's electricity.
High Voltage by Jochen Kronjager
Tips and construction details for HV projects. HV components, measuring techniques, HV sources, and details of experiments.
High Voltage Equipment Suppliers
A link list of high voltage component suppliers.
High Voltage Experimenter's Handbook
A collection of practical theoretical and empirical data to aid experimenters on using or working with high voltage.
High Voltage Link List
A list of links for electrostatic machines, history of physics and electricity, high voltage devices, and electronics.
Hot-Streamer
A site with significant amount of information about high voltage in general and Tesla Coils in particular. Much theory and practical information. HV pictures, construction tips, schematics.
Information Unlimited
Science projects for the electronics hobbyist, including Tesla coils and power supplies, high voltage engineering, neons, power supplies, and transformers.
PV Scientific Instruments
Working models of apparatus used in great discoveries in electricity, magnetism and atomic physics.
Repro's of Classic HV texts
Quite a few reproductions of classic High Voltage texts from the "Golden Age" of High Voltage research.
Sam Barros' POWERLABS
Plans, diagrams, pictures, movies and full descriptions dozens of different devices; several High Voltage generators, Tesla Coils, Plasma Globes, Gauss and Coil Railguns, other electromagnetic weapons.
Sam's Gadget FAQ
Salvaging interesting gadgets, components, and subsystems. Including HV parts from hither and yon.
TREK, Inc.
Provider of high-voltage devices and instrumentation, including electrostatic voltmeters, high-voltage power amplifiers, surface resistance meters, and charged-plate monitors.
What is High Voltage
A guide to online information about high voltage. It features a number of resource links including that on high voltage applications and component suppliers.