Use this link to access CamdenBoss's UL files for terminal blocks, fuse holders and relay sockets.
(For other products please call the sales office - 0044 1638 716101).
http://database.ul.com/cgi-bin/XYV/cgifind.new/LISEXT/1FRAME/index.html
Seach on Company Name: Camden Boss (note the space between Camden and Boss!)