Find all needed information about Direct Support Of Uninsulated Live Parts. Below you can see links where you can find everything you want to know about Direct Support Of Uninsulated Live Parts.
https://lugsdirect.com/UL508A-standoff-insulator-information.html
A material is in direct support of an uninsulated live part when: a) It is in direct physical contact with the uninsulated live part; and. b) It serves to physically support or maintain the relative position of the uninsulated live part. Exception: A material in direct contact only with uninsulated live parts of a low-voltage limited energy ...
http://wecoconnectors.com/data_source/fichiers/ul_csa_specification.pdf
UL & CSA Application Groups ... Spacings, in mm, between uninsulated live parts of opposite polarity, uninsulated live parts, and uninsulated grounded parts other than the enclosure or exposed metal part Through air or oil Over surface A. Service (power circuits), including
https://www.intertek.com/standards-updates/ul-61800-5-1-adjustable-speed-electrical-power-drive-systems-safety-standard/
4.4.2.2DV.7.1 No additional evaluation is required for the direct support of uninsulated live parts when the generic materials used comply with Table 14. Each material shall be used within its minimum thickness and its RTI value shall not be exceeded during the Temperature Rise Test of Section 5.2.3.8.
https://iaeimagazine.org/magazine/features/the-nec-and-installations-over-600-volts/
The violation here is from Section 490-35(b) requiring the meter equipment itself to have barriers and also that there is inadequate clearance between the uninsulated live high voltage parts and the low voltage wiring, as well as infringement on the air space for heat dissipation on this one phase.
https://www.law.cornell.edu/cfr/text/16/1505.4
The distance, through air or across the surface of an insulator, between uninsulated live metal parts and a metallic enclosure and between uninsulated live metal parts and all other metal parts shall be suitable for the specific application as determined by the dielectric strength requirements prescribed by § 1505.6(e)(2). Electrical ...
https://www.intertek.com/standards-updates/ul-1363-relocatable-power-taps/
All uninsulated live parts connected to different circuits shall be spaced from one another as though they were parts of opposite polarity, in accordance with the requirement in 18.6, and shall be investigated on the basis of the highest voltage involved. ... (CTI) of 100, and if it further complies with the requirements for Direct Support in ...
https://support.directv.com/inqChat.html
http://www.china-gauges.com/product/PA130A_Uninsulated_Live_Parts_Probe_of_UL1278.html
UL Rigid test finger 130A meets the standard requirements of UL 507&UL 1287, used for simulating fingers and appliances. It is mainly used for checking whether the live parts are touched. Mainly used for testing the no insulation live parts.
https://catalog.triadmagnetics.com/Asset/UL-Conditions-of-acceptability---VPS-VPP-VPL-E53148-.pdf
direct support of live parts shall be determined in the final application. 6. The acceptability of the terminals shall be determined in the final application. SPACINGS: Spacings between uninsulated live metal parts of opposite polarity and between live metal parts and dead metal parts shall be …
https://standardscatalog.ul.com/standards/en/outline_2875_1
1.4 The modular cable system assemblies and fittings for industrial control, signal and power distribution are intended to be connected as permanently installed branch circuits operating at frequencies between 50 – 60Hz, DC (Direct Current) circuits and at operating potentials of Class 1, Class 2, Class 3 and higher power levels not exceeding ...
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