Its a long feed but if you are not powering anything like a motor or something affected by a voltage drop the loss from distance will probably just make the bulb dimmer. If it gets too hot it will break the breaker.

I'm not an electrician so those who know more than I will correct as needed.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.