December 18, 2018

Exterior Wall Weather Protection

Section 1403.2 of the International Building Code (IBC) requires exterior walls of a building to be provided with a weather-resistant exterior wall envelope. UL performance testing helps designers and code authorities achieve code compliance. The exterior wall envelope is a system or assembly of exterior wall components, including exterior wall finish materials, that provides protection… read more

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UL 142 Aboveground Flammable Liquid Tanks

Ten things to know about these Listed products. Fire code officials and contractors who are involved with designing, installing and approving installations that contain aboveground flammable liquid tanks are used to seeing shop fabricated tanks that bear a UL Listing (Certification) Mark. However, they may not fully understand what the certification covers, or some key… read more

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December 13, 2018

Understanding UL 94 Certifications and Limitations

We frequently receive inquiries from code officials about materials with UL 94 flammability ratings. The nature of the questions vary, but in general they involve whether a product or material with a UL 94 rating such as HB or V-0 is suitable for use in a model code application Let’s shed some light on what the… read more

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August 19, 2018

Solar Reflectance Roof Covering Materials

A cool idea for saving energy Energy conservation and green construction codes and regulations include requirements for buildings to be designed to use energy effectively to save natural resources. One method for doing this involves the use of solar reflectance roofing materials, sometimes referred to as “cool roofs.” A cool roof works by both absorbing… read more

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August 17, 2018

Carbon Monoxide Alarm Considerations for Code Authorities

Carbon monoxide (CO) alarms play an important role in protecting the public against carbon monoxide poisoning. Having a basic understanding of CO poisoning, CO alarms, how they are Listed, and how they are to be installed and maintained is an important consideration for code authorities, especially those in jurisdictions where installation of CO alarms is… read more

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February 16, 2018

LED Retrofit Kits

(Copyright © material from Issue 1, 2011, The Code Authority newsletter, This material may not reflect changes that have occurred since its original publication) LED retrofit kits for signs and luminaires When Listed products are modified in the field, it is not possible for UL to confirm that the product continues to meet applicable certification… read more

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December 19, 2017

Stationary Fuel Cell Power Systems – 2018 Requirements

The 2018 edition of the International Fire Code (IFC) has a new Section 1205 covering stationary fuel cell power systems. This requires prepackaged fuel cell power systems to be listed and labeled in accordance with the Canadian Standards Association’s CSA FC 1 and modules and components in a pre-engineered fuel cell power system to be… read more

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October 23, 2017

Understanding Ground Fault and Leakage Current Protection

(Copyright © material from the 2009 January Issue of The Code Authority: Electrical Connections newsletter. This material may not reflect changes that have occurred since its original publication.) Ground-fault circuit interrupters (GFCIs) have been in use for over 40 years, and have proven themselves to be invaluable in the protection of personnel from the hazard… read more

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August 17, 2017

Enhanced Architectural Services

WHAT ARE ENHANCED ARCHITECTURAL SERVICES UL is pleased to announce Enhanced Architectural Services (EAS) a new fee based service in which we review your project parameters and provide a report describing potential design solutions obtained from UL databases and possibly other resources. This is intended to address situations where the design solution cannot be easily… read more

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July 7, 2017

Fuel Cells

(Originally posted in 2015, Issue 2, The Code Authority newsletter. Content may not reflect changes that have occurred since its original publication.) An option for providing power when it’s needed In today’s energy conscious society there is a growing demand for energy sources to provide a constant source of reliable electric power, whether it is… read more

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