Signage - braille dimensions

703.3.1 – Braille Dimensions

703.3 Braille.

703.3.1 Dimensions and Capitalization.
Braille dots shall have a domed or rounded shape and shall comply with Table 703.3.1.  The indication of an uppercase letter or letters shall only be used before the first word of sentences, proper nouns and names, individual letters of the alphabet, initials, and acronyms.