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System certification
Product certification
Comparison of UL Listing Mark and UL FEP

 
UL Listing Mark
UL Field Evaluated Product Label
Mass production volume
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Comprehensive safety testing (with some potentially destructive results)
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Can be part of a “CE Marking” Technical Construction File (TCF)
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Requires Initial Production Inspection (IPI) by local UL representatives for authorization of the UL Mark
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Requires quarterly production line visits by local UL representatives
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Manufacturer is authorized to apply the UL Listing Mark
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Fee includes an unlimited number of manufactured systems/work cells
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UL Listing report is generated
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Limited quantity production (approximately 10 systems per year)
 
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One-of-a-kind systems
 
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One-time inspection
 
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UL Evaluation before or after equipment commission
 
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Site-specific evaluation
 
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Basic safety check with a nondestructive evaluation
 
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Facility evaluation (single system/work cell or multiple systems/work cells)
 
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UL affixes a UL FEP Label upon successful verification of conformance to safety requirements
 
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Fee required for each system evaluation
 
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UL Letter Report is generated with optional notification to AHJ and/or customer
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*
Tests/verifications can be conducted at UL labs, client, client manufacturing facility, a third-party representative or anywhere in the world
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Evaluations/verifications can be conducted at UL labs, client, client manufacturing facility, the end user’s facility, a third-party representative or anywhere in the world
 
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Preliminary construction review for initial evaluation to safety requirements
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Preliminary construction review can be conducted at UL labs, client, client manufacturing facility, a third-party representative or anywhere in the world
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USA - Accepted by Authorities Having Jurisdiction (AHJs), OSHA, insurance interests, labor unions, plant management, fire officials and electrical inspectors
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CANADA - Accepted by Authorities Having Jurisdiction (AHJs), OSHA, insurance interests, labour unions, plant
management, fire officials and electrical inspectors in all Provinces and Territories
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CANADA/Ontario – Accepted for Ontario Ministry of Labour Pre-Health Start and Safety Review (PSR)
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