Electric Experts... HELP PLEASE 30 Amp breaker in 100 amp home

I have a 100 amp small home, 910 sq feet... I am paranoid.. The certified electrian who does electric in hotels for a living installed 5 tamper proof outlets in the basement ceiling then connected them to a new 30 amp breaker he bought at loews into the 100 amp box, this is the only 30 amp breaker, the other ones are 20 amps or less in the breaker. Is this ok ??? HELP

Please help.. I know the wire has to be #10 ... Anything else I should know or look for ??

He DID NOT remove a 20 amp and put a new 30 in its place. He left all amps alone and punched out a NEW HOLE for the NEW 30 AMP breaker. The five outlets are on the new wire he put in and I hope its #10.

Further checking the wire says 1/19/12 chisum. Does that mean its #12 wire ???? And he connected it to a 30 amp breaker...

Sounds fine. I'm sure you'll get more informed responses but sounds like you're worried so I'll throw in my 2 cents,right away. Each circuit has a switch..the entire box has one too (100 amp). What he did was to give you bigger access for your grow it sounds like. But I use LEDS and have them on a 10 amp breaker never tripped it. Including fans heater in the winter lights,exhaust fan scrubber etc. never tripped the 10 amp so even if you have a 30 amp doesn't mean you'll draw 30 just that you COULD. But you'll have to be running an arc welder to get that much juice. The size of the breaker is the POTENTIAL limit not the everyday flow; that is determined but what load you put on the line. Relax trust the expert you paid to wire it for you.

Interesting. A 30 Amp breaker actually should have 10 amp wire running the circuit. Branch circuits running to a standard 3 program do not require 10 gauge wire unless, they are connected to a 30 Amp plug. Which is quite different than a standard outlet.

I would just have to look at it.

didn't @ODanksta do some wiring?

is it ok to have 30 amp and 20 amp breakers on the same circuit? I have no clue. I would assume so. I would also assume you are good for 3600 watts maximum (though 3000 would be a safer cap to avoid setting off the breaker). Wattage = Voltage x Amps

A picture would help