In a message dated 2/23/99 7:41:22 AM Central Standard Time, tesla-at-pupman-dot-com writes: > Original Poster: SHINYPAINT-at-aol-dot-com > > I have a 4 foot section of PVC I am under the impression that the correct > wire would be 20 awg and i should have about 2000 feet of wire wound. is > this > correct? > What diameter is your PVC? Thin walled sewer & drain (SDR) is best for coil forms. 4 feet ought to be long enough depending on the diameter.