Only use this login to access MyHome, MyAgreements or ULiQ. Each option requires a different username and password.

North America
Europe
Denmark
France
Germany
Italy
Netherlands
Poland
Spain
Sweden
Switzerland
U.K.
Latin America
Asia Pacific
Argentina
Brazil
Mexico
Australia
India
Malaysia
New Zealand
Thailand
Hong Kong
Singapore
A study dedicated to exploring and better understanding the way people think and feel about the products they make or consume, the role this plays in shaping global trade and the impact this has on how products are conceived, constructed, sold and delivered.
more
UL is proud to share New Science, a powerful initiative showcasing important ways we are making our world safer through fundamental discovery, testing methodologies, software and standards across three initial areas.
more
Business Units
Industries

UL is a global independent safety science company offering expertise across five key strategic businesses.

We offer expertise across many industries to enable our customers to succeed in the global marketplace.

Catalog of Standards
Understanding Standards
Participate

Search for Standards and Outlines by keyword or filter by approvals or publish dates.

start searching

Learn how UL Standards function as a benchmark that enables consumers and businesses to feel confident about the products and services they purchase.

learn more

UL is always looking for industry, academic and end-user experts to help develop our consensus-based standards.

get involved

Share

Renewable energy

Increased interest in renewable energy has created new technical challenges for code authorities, designers and installers. Fortunately UL has developed solutions that addresses these challenges with research, standards development, certifications and education.

Photovoltaic power

UL business unit information on photovoltaics More

PV installer certification training More

NECA IBEW PV installer certification More

UL PV research summary More

PV fire class rating of photovoltaic systems More

Firefighter safety and PV systems More

Alternative Energy Marking and Application Guide More

PV Roof shingle article More

Busbar tapping considerations More

Manufacturers of certified products and related information.

Modules/panels Information    Manufacturers
PV DC AFCIs Information    Manufacturers
Grounding and Mounting Information    Manufacturers
Combiner boxes Information    Manufacturers
Cables Information    Manufacturers
PV Wire Information    Manufacturers
Inverters Information   Manufacturers
Disconnects Information    Manufacturers
Circuit Breakers Information    Manufacturers
Fuses Information  Manufacturers

Technical resources

Photovoltaic offerings and services. More
PV installer certification training More
NECA IBEW PV installer certification More
UL PV research summary More
PV fire class rating of photovoltaic systems More
Firefighter safety and PV systems More
Alternative Energy Marking and Application Guide More
PV Roof shingle article More
Busbar tapping considerations More

Wind power

UL business unit information on wind power. More 

Alternative Energy Marking and Application Guide More

Wind Turbine article More

Busbar tapping considerations More

 
Manufacturers of certified products and related information.

Turbines-Small Information Manufacturers
Cables Information Manufacturers
Inverters Information Manufacturers

Technical resources 

Wind powere related offerings and services. More
Alternative Energy Marking and Application Guide More
Wind Turbine article More
Busbar tapping considerations More