BSI License Number
BSI has a facility for checking the license number of a BS 1363-1 UK mains plug.
- Go to the product directory page on the BSI website
- Fill in the license number on the plug into the form field “Certificate number…” (see below)
- Hit “Search”
Hopefully the number you have entered is genuine and you are presented with some search results:
You can then click on the line you are interested in and check the details of the plug against the sample you have.
ASTA License Number
ASTA numbers are assigned by Intertek and can be checked using their online tool.
Search results give the brand and manufacturer. The hard part now is tying this up with the sample in front of you!