Sorry, Mark.  I don't get it.  What's it supposed to be?  If it's a fluorescent light casing, why is light shining out the side?

 I just really may be dense, but I can't figure out what a tube light is and what it's used for.  And I'd like to know, else I wouldn't have posted the thread.

Could you give a worded example, something along the lines of:  If you wanted to do , you could use a tube light in the following way:__.  You know, ultra-mini-tutorial like?  Or point me in the direction of such a tutorial?

Thanx.