TIA Engineering Standards and Publications are designed to serve the public interest through eliminating
misunderstandings between manufacturers and purchasers, facilitating interchangeability and
improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the
proper product for his particular need. Existence of such Standards and Publications shall not in any
respect preclude any member or nonmember of TIA from manufacturing or selling products not
conforming to such Standards and Publications, nor shall the existence of such Standards and
Publications preclude their voluntary use by those other than TIA members, whether the standard is to be
used either domestically or internationally.