Which of the following statements about Underwriters Laboratories Inc. (UL) is MOST accurate?

A. UL is underwritten by standards organizations to test materials and products.
B. UL is not-for-profit product-safety testing and certification organization.
C. UL develops fire and building codes for adoption by local jurisdictions.
D. UL only provides testing and certification of new products not yet on the market.

Answer: B. UL is not-for-profit product-safety testing and certification organization.