What is ANSI?
ANSI code is 3 letter bulb code assigned by the American National Standard Institute and is one of the main industry standard bulb codes.
Other important industry standards are LIF and ECE.
Industry standard codes assure mechanical and electrical interchangeability for various manufacturers.
references for this page: ANSI, ANSI CODE, AMERICAN NATIONAL STANDARD INSTITUTE
references to this page: ECE, LIF