What is the current on my foam cutter? Should I be worried?
I built the 5 min. foam factory, but instead of a model train transformer ($45 for the cheapest one they had) I used a regular 12 volt transformer and a rectifier bridge (I had to borrow it from my infinite LED tunnel :'( ) Now when I went to buy a variable resistor/potentiometer for the thing my local electronics shop guy said that the 12 volt transformer put out too much current for the ones he had. Now this has me worried. How much current is currently going through this thing? Should I be worried?