I also agree with checking for a weak breaker.

Answer to problem.
Arc Fault?

i did get a new house...the damn computer in the heat/ac went...then the computer for the sprinkler system...**** the old house was a lot cheaper to fix!!!

AHHHH. Ok, were are all the electrical engineers?
Or how about a physicist?

HELL ..IT SOUND LIKE SHE NEEDS TO UNPLUG THE CURLING IRON,
AND THE HOT ROLLERS, BEFORE SHE PLUGS IN THE HAIR DRYER...

NOT ENOUGHT INFO FOR ME TO GIVE YOU AN ANSWER..

SO WHATS THE ANSWER TO YOUR TRICK QUESTION.....?

The PROBLEM is the breaker trips!

problem: overloaded circut

solution: shave the wifes head:D

it's not a trick!...has NOTHING to do with being any type of engineer...it's just the first step of troubleshooting any problem...name what the problem is.

actually the wife has done that before....before me!

The problem is the hair dryer is turned on when she plugs it into the outlet and this creates a larger surge than would occur if she plugged it in with the switch off.

Tell her to plug it in with the switch off and then turn it on.

I'm telling ya, the PROBLEM is that the breaker trips. That is the PROBLEM. Now that we know the PROBLEM, let's start troubleshooting WHY the breaker is tripping.

PROBLEM:

everytime YOUR wife plugs the hair dryer into the bathroom plug a breaker trips.

ANSWER TO YOUR QUESTION..