UL 67 2019 pdf download - Panelboards. 2.6 The short-circuit current available in the secondary circuit of a transformer rated 10 kilololtamperes or less is considered to be 5000 amperes or less. 2.7 For other than a...
UL 32 2019 pdf download – Metal Waste Cans
UL 32 2019 pdf download - Metal Waste Cans. 6.2 Acceptable types of formed seams are illustrated in Figure 4.1, Figure 4.2, and Figure 4.3. 6.3 Formed seams shall be not less than 1/4 inch (6.4 mm)...
UL 30 2019 pdf download – Metal Safety Cans
UL 30 2019 pdf download - Metal Safety Cans. 9 Pouring Nozzles – Type II Cans 9.1 A flexible or rigid nozzle of a Type II can shall be of corrosion-resistant metal, or ferrous metal provided with...
UL 20-2021 pdf download – General-Use Snap Switches
UL 20-2021 pdf download - General-Use Snap Switches. 5.2.21 During the overload and endurance tests, all dead metal parts of the switch that are exposed to user contact, including the intended mounting surface, shall be connected through...
UL 13 2019 pdf download – Power-Limited Circuit Cables
UL 13 2019 pdf download - Power-Limited Circuit Cables. 2 Units of Measurement 2.1 In addition to being stated in the inch/pound units that are customary in the USA, each of the requirements is also stated in...
UL 10C-2021 pdf download – Positive Pressure Fire Tests of Door Assemblies
UL 10C-2021 pdf download - Positive Pressure Fire Tests of Door Assemblies. 13 General 13.1 Results shall be reported in accordance with the performance in the tests prescribed in these test methods. The report shall show the...
UL 5-2020 pdf download – Surface Metal Raceways and Fittings
UL 5-2020 pdf download - Surface Metal Raceways and Fittings. 9 Fittings 9.1 A fitting provided with means for the support of a fixture shall have strength and rigidity for the purpose as evaluated by means of...
UL 4-2021 pdf download – Armored Cable
UL 4-2021 pdf download - Armored Cable. 7.5.2 The condition of the interior of armor is to be determined by removing the conductor assembly from a short length of the finished cable and by looking through the...
UL 69-2009 pdf download – Electric-Fence Controllers
UL 69-2009 pdf download - Electric-Fence Controllers. 6.1 .6 The degree to which the enclosure is required to be tamper-resistant is determined in part by the type of current-limiting means employed, the type of timing mechanism or...
UL 10A-2009 pdf download – Tin-Clad Fire Doors
UL 10A-2009 pdf download - Tin-Clad Fire Doors. 3.6 The actual thickness of the boards shall be not less than 3/4 in (1 9.1 mm). 3.7 The boards shall not be less than 4 in (89 mm)...