Originally Posted by Dr.Deltron
+1!
The trick with electric tape is to clean the tube WELL before taping. Use rubbing alcohol if you have some. And burnish the tape really well. I use the smooth rounded end of a screwdriver handle. Clean that with the alcohol PRIOR to burnishing as well. Gets any grease off that might compromise the tape. And use a couple of pieces of tape crisscrossed.
I can't think of any situation where I'd have rubbing alcohol, electrical tape, and a screwdriver handy... but won't have any access to a proper patch kit
Honestly, why try such a trick when the proper solution is so cheap and effective? I can see using a bit of electrical tape on the trail in a pinch, but then I'd be in a hurry to replace it soon as I got home...