I used 14/2 low voltage wire. That works well.
Yes it’s an easy fix just use the flat tip of a small electronic screwdriver and pry out one end of the bulb and slide the bulb out of the holder
Hello RDG, this is for one lamp holder. Thank you for your interest in Sea Gull Lighting!
Hello Rona, you can mix the bulbs, but please keep in mind it will create different light outburst and color temperatures. Thank you for your interest in LBL Lighting!