Updating 2 prong 3 prong outlets mysql manager of pid file quit without updating fi
Actually, Tester, many modern electric dryers are built to be convertible between 3 prong and 4 prong 220.
You can buy both styles of cord easily at Home Depot and swap them out with a screw driver and a hex bolt driver - 1/4 or 3/8 as I recall.
I've killed the breaker and call an electrician but am curious as to what happened. If you are only installing one switch in a one switch box, you should only have one cable in the box.
These receptacles have no safety ground, and the cabling usually has no ground wire.
the easiest thing to do is to replace the outlet, wire a new outlet in, assuming they both use the same type of cable (typically 10-3).