University of South Florida (46,612 students) â Coming in as the 9th largest university in the U.S., the University of South Florida, located in Tampa, is a public institution founded in 1956. It is the second university in Florida to make the top ten list in terms of student enrollment.
Re: LED's glow when off most likely it is circuit leakage of the light itself. A fraction of a milliamp can cause an LED to glow but not put out useable light and the amount of energy used over a year is probably just a few pennies so I wouldn't put a lot of effort in trying to fix it if that is the issue.
Fourth, overheating of the light-emitting diode (LED) may cause a burn (Sloan, 1988). This last possibility is consistent with the site of the primary injury which corresponds to the region of the LED probe. In our case, we believe the injury was caused by at least two factors, namely pressure and overheating.