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UL - UL: Recent submissions
Now showing items 1961-1980 of 6633
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UL 96A BULLETIN
Abstract: These requirements cover the installation of lightning protection systems on all types of structures other than structures used for the production, handling, or storage of ammunition, explosives, flammable liquids or gases, ... -
UL 1626
Abstract: These requirements cover residential sprinklers intended for installation on sprinkler systems for fire-protection service. Requirements for the installation and use of residential sprinklers are included in the Standards ... -
UL SUBJECT 1699B
Abstract: These requirements cover DC photovoltaic arc-fault circuit protection devices intended for use in solar photovoltaic electrical energy systems as described in Article 690 of the National Electrical Code, NFPA 70. This ... -
UL 199 BULLETIN
Abstract: These requirements cover automatic sprinklers intended for installation on sprinkler systems for fire-protection service. Requirements for the installation and use of sprinklers are included in the Standard for the ... -
UL 508C BULLETIN
Abstract: These requirements cover open or enclosed equipment that supplies power to control a motor or motors operating at a frequency or voltage different than that of the input supply. These requirements also cover power-supply ... -
UL 9540 BULLETIN
Abstract: These requirements cover energy storage systems that are intended to receive electric energy and then to store the energy in some form so that the energy storage system can provide electrical ... -
UL 252
Abstract: These requirements cover regulators used to reduce the pressure of compressed industrial gases from a source or storage cylinder pressure of not more than 5500 psig (37.91 MPa) to the use pressure.
Regulators covered ... -
UL 498A BULLETIN
Abstract: These requirements cover current taps and adapters for use in accordance with the National Electrical Code, ANSI/NFPA-70.
These requirements do not cover current taps or adapters rated at more than 200 A or for more ... -
UL 1577
Abstract: These requirements cover optical isolators, also called optical couplers or photocouplers:
a) Intended to provide unidirectional signal transfer between dielectrically isolated circuits and,
b) Intended for use in ... -
UL 14C
Abstract: These requirements apply to hardware for swinging fire doors which have demonstrated in fire tests fire-resistive properties warranting their use with two-ply and three-ply tin-clad fire doors tested in accordance with the ...