On Sat, 19 Nov 2016 22:54:21 -0600, Leon wrote:

Define junction on ribbon LED lighting. No where on the ribbon gets
remotely warm.

The point where the light is emitted from will be hot. Getting rid of
that heat is the secret of semiconductor life. How much current is at
each led will determine how hot it is, well designed leds lights will
not burn you a bad one will. The higher the current at the led the
shorter the life of the led.

In other words you picked the right led lighting system.

Mark