درباره ما
UL - UL: Recent submissions
Now showing items 1641-1660 of 6633
-
UL 183 BULLETIN
Abstract: These requirements cover wiring systems for use in outdoor locations, field-installed wiring assemblies using off-site manufactured subassemblies for branch circuits, remote-control circuits, signaling circuits, and ... -
UL 1384 BULLETIN
Abstract: These requirements cover the construction and operation of water-based automatic extinguisher units intended for total flooding applications when installed, inspected, tested, and maintained in accordance with the ... -
UL 1482
Abstract: These requirements cover room heaters which are freestanding fire chamber assemblies of the circulating or direct radiation type. These products are for attachment to a residential type chimney intended for use with low-heat ... -
UL 80 BULLETIN
Abstract: These requirements cover steel primary, steel secondary, and steel diked type atmospheric storage tanks from 60 to 660 gallons (227 to 2500 L) intended primarily for the storage and supply of heating fuels for oil burning ... -
UL 555S BULLETIN
Abstract: These requirements cover smoke dampers intended for use in heating, ventilating, and air conditioning (HVAC) systems. Smoke dampers are intended:
a) To restrict the spread of smoke in HVAC systems that are designed to ... -
UL SUBJECT 1008M
Abstract: These requirements cover automatic and non-automatic (manual) transfer switch equipment, operating at 600 V ac less, and intended for installation in a utility meter base, in ordinary locations only.
These devices are ... -
UL 471 BULLETIN
Abstract: Throughout the Supplement, when reference is made to requirements in "this Standard," the reference is to requirements in the main body of the Standard and not to other requirements of the Supplement.
These ... -
UL 1332
Abstract: These requirements cover tests of opaque and clear organic coatings intended for application to exterior and interior surfaces of steel enclosures of outdoor-use electrical equipment for protection of the metal against ... -
UL 430 BULLETIN
Abstract: These requirements cover motor operated household and commercial disposers rated 600 V or less and intended to be used in accordance with the National Electrical Code, NFPA 70. These disposers are intended to convert organic ... -
UL 2054 BULLETIN
Abstract: These requirements cover portable primary (nonrechargeable) and secondary (rechargeable) batteries for use as power sources in products. These batteries consist of either a single electrochemical cell or two or more cells ...