RBI OR AP cages dont have Cut outs for heat lamps unless special ordered.

These cages hold in heat very well along with humidity. And yes you can set it up just like any other cage with heating pad. But with these cages depending on t he temps needed Radiant heat panels are the best way to heat them. But UTH can be used with out a problem on these as well.

Also look into Mark at boamaster.com He has all kinds of cages ready and will custom make them as well.