UL Monde
Amérique du Nord
Europe
États-Unis
Danemark
France
Allemagne
Suède
Suisse
Royaume-Uni
Amérique latine
Asie pacifique
Argentine
Brésil
Mexique
Australie
Inde
Malaisie
Nouvelle-Zélande
Thaïlande
Hong Kong
Singapour
Apprenez-en davantage sur la perception du produit — une conscience collective mondiale reflétant ce que les gens ressentent vis-à-vis des produits — qu'ils soient fabricants et vendeurs ou acheteurs et consommateurs.
suite
UL Advantage est une approche révolutionnaire de l'homologation en matière de sécurité, offrant un accès plus rapide, plus intelligent et plus souple aux avantages éprouvés de l'homologation UL.
suite
Contribuer au lancement de produits sûrs et conformes aux normes sur le marché international.
suite
Fournir un éventail de services dans le domaine sans cesse croissant du développement durable.
suite
Mettre à profit l'ingénierie et l'expertise d'UL en matière de sécurité et de performance pour les systèmes critiques essentiels à notre bien-être.
suite
Fournir les tests et les évaluations de produits exigés par la chaîne d'approvisionnement mondiale.
suite
Offrir des formations, des services de conseil et un leadership éclairé donnant un avantage concurrentiel aux entreprises.
suite
Share

Publications and bulletins

SubjectDate Description 

Subject 13

March 15, 2002

Respooling Cable Bearing a UL Performance Verification Marking

Subject 444

October 9, 1996

Announced Qualification Tests and Follow-Up Service Requirements for Data-Transmission Cables Classified (Verified) in Accordance with Information Technology -- Generic Cabling for Customer Premises, ISO/IEC 11801 Specification

Subject 444

January 6, 1997

Announced Qualification Tests and Follow-Up Service Requirements for Data-Transmission Cables VERIFIED (CLASSIFIED) ONLY to the Data-Transmission Performance Requirements in a National Specification such as Commercial Building Telecommunications Category Standard (TIA/EIA-568-A) or in an International Specification such as Information Technology -- Generic Cabling for Customer Premises (ISO/IEC 11801)

Subject 444

August 14, 2001

New UL Mark for Performance Verification Services

Subject 444

October 3, 2001

Test and Follow-Up Service Requirements for the Optional Qualification of 100-Ohm Patch Cords for Data-Transmission Performance Category Markings

Availability of New Performance Verification Mark

Subject 444

June 4, 2002

Field and Laboratory Transmission Performance Testing of 100-Ohm Unshielded Twisted-Pair Category 3, 5, 5e and 6 Channel and Permanent-Link Cabling Systems to TIA/EIA-568-B Series Standards

Subject 444

July 28, 2008

Revised Test and Follow-Up Service Requirements for the Optional Qualification of 100-Ohm Twisted-Pair Constructions of Listed Communication Cable Types for Data-Transmission Performance-Category Markings

Subject 444 (& more)January 4, 2010Announced Enhanced Mark Integrity Program for Telecommunications Cables
Subject 444 (& more)June 1, 2010

Announced Important Changes to Strengthen Mark Integrity in Telecommunications Cable Category

Subject 444

March 31, 2010

Issued the Action Required Letter which lists changes for the forthcoming Industry File Review (IFR) for Subject Number 444 and which will become effective on 2012-01-31
Subject 444
October 14, 2010
Revised Testing and Follow-Up Service Requirements for UL’s LAN Performance Verification
Programs