2-Way Power Supply Board for Norcold Refrigerator B>Dinosaur Electronics replacement circuit boards for NORCOLD® refrigerators are made to out high standards using a high quality circuit boards with plated thur-hole technology to virtually eliminate intermittent connections. All of our boards are made in Oregon with quality first in mind. Every circuit board is tested prior to packaging. Just match the number on the NORCOLD® board to Dinosaurs’ replacement circuit board number. Works in the following models 8662 8682 All Dinosaur boards are UL and TEI listed.