Patent ID: 6773130
Filing Date: 2004-08-10
Classification: F21W,F21Y,H01R

Abstract:
A refrigerated display case comprising:a frame element; at least one door supported relative to the frame element; an electronic ballast mounted adjacent the frame for operating at a frequency above 100 cycles per second and above 200 volts; at least one lamp socket supported relative to the frame and having socket contacts for supplying electrical energy to a lamp having cylindrical contacts through the socket contacts, wherein the socket contacts have a surface area available for electrical contact of at least 0.008 square inch; at least one electrical conductor for electrically coupling the ballast to the socket, wherein the conductor has a surface area available for electrical contact of at least 0.008 square inch; and a junction between the at least one electrical conductor and the contacts of the at least one lamp socket for forming an electrical bridge between the at least one electrical conductor and the contacts wherein the bridge has a surface area available for electrical contact of at least 0.008 square inch.