Build a Tesla Coil in 9 Steps

Materials List

3 of 13
materials photo

credit: Beachley

3 of 13


-4' of 1.5" PVC
-8 pieces of 5"x5" plywood
-2 pieces of 3'x2' plywood
-4 wheels


-15kV 60ma transformer with no GFCI

Spark Gap:

-1' of 3" PVC
-2 bolts the same size, plus 2 nuts and 2 washers that fit the bolts
-1 Computer fan
-1 battery holder

Capacitor Array:

-40 Cornell-Dubillier capacitors, (Model# 942C20P15K-F)
-40 6MΩ resistors
-Material to mount your capacitors to (I mounted mine to lexan, with ceramic stand-offs as legs.)

Primary Coil:

-4 pieces of 10"x3" plywood
-50' roll of 1/4" copper tubing
-20' of 3/8" copper tubing

Secondary Coil:

-2' of 4" PVC
-1 piece of 4.5"x4.5" plywood
-~1200 ft. roll of magnet wire


-2 aluminum pie pans
-Aluminum dryer duct


-3 copper lug terminals
-High voltage wire
-Gorilla glue
-Drill press
-Table saw

Continue to Page 4