Category for classification of UL Standard

See category for classification of UL Standard and CSA Standard.

xxxx (four letters of the alphabet with no number): Listed products certified based on UL standard

xxxx7 (a suffix of 7): Listed products certified based on CSA standard

xxxx2 (a suffix of 2): Recognized products certified based on UL standard

xxxx8 (a suffix of 8): Recognized products certified based on CSA standard