This cooktop is designed to be used with propane gas. usually it is connected to an RV that already has propane hoses but it can also be attached to a standard propane tank.
You can connect it to a standard tank, you would need to use the Flame King 5 ft Stainless Steel Braided Propane Adapter Hose with Regulator, Item SS-QCC-3/8
The stove can be installed inside if there is plenty of ventilation. It should not be inside if there is not adequate ventilation.
The height of what sticks out above the counter is 1 3/4" which is the height of the cover. When the cover is down is completely covers the part of the stove that is above the counter.
Please contact Flame King customer service for assistance. 310-715-1122
The counter cut out should be 16-1/8" x 11 5/16". There is a casing that houses the pipes and burners. It is kind of a drip pan but you would have to remove the 2 screws on top of the stove to get inside and clean it.
It is spark ignition.
No...it does not.