Why would anyone want to install this light? Did he buy it "cheap" at a World War 2 close out sale?
Surely the simplest way to do this is to purchase a TSO'd item off the shelf, that already meets all the requirements. Is this unit an actual aviation item, or something that he wants to modify for the application?
I'd give him a copy of the appropriate
TSO, FAR and a list of websites where he can get a cheap ready to install unit.
But then, you know how people are.
