See the comprehensive paper on Channel Letters
What is a ”Channel Letter”? It is 2 things:
It is a very effective branding for your company and
It is a metal box, normally shaped like a letter where a light source, normally LEDs, produced light that is channeled out and makes a lighted shape. It is most visible in the dark and is a sign type used for many businesses.
Learn what Channel Letters are and the secret terminolgy you need to understand them. See the paper on the topic now!!