Summary of Topics s20_14_sum.htmlSummary of Topics
This revision of ANSI/UL 20 dated January 26, 2021 includes the following changes in requirements:
– Manufacturer's Terminal Tightening Torque; 7.1.13
– Correct Typos / Omissions for 277v Motor Ratings for 15 and 20 amp Switches; Table 20
– Marking Location; 7.3.3
– Voltage Markings on AC-ONLY Switches Incorporating Locator or Pilot Indicators; Table 19, Table 20 and 7.2.5
– Ground Screws; 4.12.2 and 7.1.14
– Wiring Diagram for Switches; 2.10, 2.22 and Figure 9
– Editorial corrections; 3.1.1 and 5.18.1