I have a job that is a large car dealer with many sets of LED Reverse Channel Letters. They shipped the letters with the 12v secondary conductors being black and white. I assumed the black was the + and the white the -.
I was wrong...
The other location from the same sign manufacturer had black and red conductors. The crew installing them thought black + and red -.
I told them the opposite.
No big deal but how would you have guessed the colors?
I was wrong...
The other location from the same sign manufacturer had black and red conductors. The crew installing them thought black + and red -.
I told them the opposite.
No big deal but how would you have guessed the colors?