I have an electrical smell. Smell strongest under the wheel. car running fine. on 2004 Infiniti I35

I got in my car and noticed a electrial smell no smoke. I drove to work everything was running fine. Tried all the accessories everything worked. The smell was stronges down on the floor by the pedals. Any idea on what can cause this and is this a serious problem

Asked by for the 2004 Infiniti I35