درباره ما
UL - UL: Recent submissions
Now showing items 1421-1440 of 6633
-
UL 474 BULLETIN
Abstract: These requirements cover movable, household, self-contained dehumidifiers employing hermetic refrigerant motor-compressors and intended for connection to single-phase, alternating-current (ac) circuits rated not more than ... -
UL 1998
Abstract: These requirements apply to non-networked embedded microprocessor software whose failure is capable of resulting in a risk of fire, electric shock, or injury to persons.
This is a reference standard in which the ... -
UL 142 BULLETIN
Abstract: These requirements cover steel atmospheric tanks intended for aboveground storage of noncorrosive, stable flammable, and combustible liquids that have a specific gravity not exceeding that of water.
These tanks are ... -
UL 558
Abstract: These requirements cover the fire safety aspects of industrial trucks with internal-combustion engines, such as tractors, platform-lift trucks, fork-lift trucks, and other specialized vehicles for industrial use. These ... -
UL 810 BULLETIN
Abstract: The requirements in Part I of this Standard apply to enclosed capacitors with integral protection intended to reduce the risk of rupture and venting of the capacitor enclosure under internal fault conditions. These ... -
UL 213
Abstract: This standard covers rubber gasketed fittings intended for assembling sections of pipe in fire protection systems, for example, couplings to attach pipe sections end to end, and side outlets to attach pipe sections at right ... -
UL 405
Abstract: These requirements apply to fire department connection devices and roof manifolds intended for use in buildings having standpipe and hose, water spray, or sprinkler systems to enable a fire department to connect hose lines ... -
UL 1082 BULLETIN
Abstract: These requirements cover portable electric coffee makers, percolators, coffee urns, and other brewing-type appliances rated 120 V or less, for use in ordinary locations in accordance with the National Electrical Code, NFPA ... -
UL 779
Abstract: These requirements cover electrically conductive floorings of the completed or finished type intended for use in hospital operating rooms, arsenals, and other locations where it is necessary to avoid the accumulation of ... -
UL 508 BULLETIN
Abstract: These requirements cover industrial control devices, and devices accessory thereto, for starting, stopping, regulating, controlling, or protecting electric motors. These requirements also cover industrial control devices ... -
UL 1767
Abstract: These requirements cover early suppression fast response (ESFR) sprinklers having nominal discharge coefficients and installation orientations as referenced in this standard for installation as part of sprinkler systems ...