05-14-2013, 07:06 AM
Can you not measure the voltage with a VOM? Are you thinking of scraping the " plastic light tube/fiber optic." and installing the LED in the case of the power feed?
Busy Bee 12-36 lathe, Busy Bee Mill drill, Busy Bee 4x6 bandsaw, Homemade 9x17 bandsaw, Ad infinitum.