i am a medical marijuana caregiver so i have alot of light wattage and right now my basement is all on one breaker along with my dishwasher upstairs. when i have a 600 watt light on and my girlfriend starts a load in the dishwasher every cycle it goes through flips the breaker,and i want to run a new breaker to just my room what amp breaker should i use if i could have up to 1800 watts. any help would be greatly appreciated