We also offer two different types of ul 1740 pdf subscriptions: a one year and a three year. the cost to purchase this standard varies depending on whether you are ordering a hardcopy, pdf or combination of the two. standard 1740, edition 4 edition date: janu ansi approved: aug usd $ 505. considering the extent of changes to the standard and its potential impact on the robotics and manufacturing industries, tuv rheinland has developed a whitepaper ul 1740: a guide to key updates outlining the differences between the 3rd and 4th editions of ul 1740. 2 identify the key changes to the standard' s scope, glossary, normative references, and manufacturers' responsibilities. 3 understand the importance of aligning ul 1740 to global functional safety standard requirements. these requirements cover robots and robotic equipment rated 600 v or less and intended for installation in accordance with the national electrical code, nfpa 70. key learning points 1 explore the relationship between the 4th edition of ul 1740 and its associated standards. ul 1740, standard for safety for robots and robotic equipment ul 1740 is an approved american national standard ( ans) that covers robots and robotic equipment rated 600 v or less, which are intended for indoor and outdoor industrial applications. ul 1740, 4th edition, aug - ul standard for safety robots and robotic equipment. please note: all interim revisions for this edition available at time of your purchase will be included. robots and robotic equipment. summary of topics. download whitepaper! ul 1740 –industrial robots and robotic equipment.