shinny, wonderful stuff. complicated stuff. what could this possibly be used for? we have with us today, david green, senior electrical inspector who is a good friend of mine and a well-known sailor on the san francisco bay. you're going to sail this saturday. and mr. lloyd and mrs. lloyd. thanks for letting us come in here. really appreciate it. you're an electrical contractor, too. right? >> i'm electrical for 26 years. we do lots of big projects. we dot lots of industrial and commercial and residential. >> so you have to get a california special license. you have to be a special licensee to do electrical what is that license? >> yes. i have a c-10 licen and b license. >> b is a general contractor's license. >> yes. more interesting for me, i do a lot of c-10 for electrical. >> about three, four years ago you opened up a supply house. >> we opened e & e electric for around five years. >> you don't have so many guys out on the field any more. >> no more. i just have a lot of contractors. they come in for a lot of questions about national code. so if i understand,