UL 1681-2020 pdf free download.Wiring Device Configurations.
1.1 These conflgrratons cover attachment plugs, receptacles, cord connectors, some forms of o.irrer$ teps. and flatiron and appkanca plugs – all for use rn accordance with the National Electrical Code (NEC I, ANSIINFPA-70.
1.2 These configurations do not cover devices rated at more than 200 A or for more than 600 V.
1.3 This standard does not cover devices having NEMA configurations ii accordance with Wiflng Devices – Dimensional Specifications, ANSI)NEMA W08.
2 General
2.1 Th. Information gIven Ni (a) — (h) applies to edi confIguratIon In Sections j —
a) All dimensions are in Inches.
b) Decimal driensions without tolerances be subject to a sO.006 .1d tolerance.
c) Angular denensions without tolerances sh be subect to a ±1t2 degree tolerance,
d) Where two values are given for the sanie doienslon. the larger s the maximum value and the smaller the mwwrjn value,
e) leading edges of plug blades shall be fr. of burrs and sharp edges
I) A contour, face dwnenslon. yoke construction, or mounting ears and dimensions for any receptacle constnicticn that is shown depicts an acceptable construction: other constructions may also be acceptable tasted and found to be esvalent.
g) A relabonsp of contact nibs, recess of contacts, or internal consbuc1a, in a receptacle that is shown depicts an acceptable construction: odier constructions may aiso be acceptable if tested and found to be eqiivalent.
h) Terminal lderøIcation shall comply with the blowing:
1) The grounded terminal shall be idenlfied ii the Figures by the letter W’.
2) The grounding terminal shall be identKied in the Figures by the letter G.
3) Other conductors need not be ideritfied. txit it they are, the letters X’. •Y, and 7’ shall be used Ntentificatlon according to the following convention:
I) Viewing the blade end of the plug and proceeding couriter-clodiwlse, starting from the grounding blade (G), or Wi the sence of a grounding biede, the grounded blade (W). the terminals shait be nwkad In sequence ‘X’. Y. and r.UL 1681 pdf download.