Whether UL Type L Service is UL Listing Service? Do you know the different from them?
UL Type L Service is not UL Listing Service, please the followings for reference:
Type L Service
A form of UL Follow-Up Service (FUS) applicable to products or systems for which UL conducts FUS factory inspections on the basis of the number of UL certification marks being used by a manufacturer on a product or system.
A form of UL Certification Service. As part of the service, UL authorizes the manufacturer to use the UL Listing Mark on products that comply with UL's requirements and establishes Follow-Up Service (FUS) conducted by UL as a check of the means the manufacturer exercises to determine compliance with UL's requirements.
UL Follow-Up Service (FUS) – The sampling, inspections, tests or other measures taken by UL as a check on the means that a manufacturer exercises to determine compliance of UL certified products with the applicable UL requirements.