1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNational Differences ForUL 61010-2-201Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use Part 2-201: Particular Requirements for Control EquipmentUL COPYRIG
2、HTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNational Differences ForUL 61010-2-201Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use Part2-201: Particular Requirements for Control EquipmentFirst EditionEdition
3、Date: JANUARY 24, 2014This revision of UL 61010-2-201 was issued to include the following changes:1. Addition of Requirements for the Durability of Markings for Open Equipment as Clause5.3 as a National Difference.This document provides a single listing of the National Differences included in the UL
4、 adoption ofthe corresponding IEC standard.All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, ortransmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwisewithout prior permission of UL.UL provides this standards d
5、ocument as is without warranty of any kind, either expressed or implied,including but not limited to, the implied warranties of merchantability or fitness for any purpose.In no event will UL be liable for any special, incidental, consequential, indirect or similar damages,including loss of profits,
6、lost savings, loss of data, or any other damages arising out of the use of or theinability to use this standards document, even if UL or an authorized UL representative has been advisedof the possibility of such damage. In no event shall ULs liability for any damage ever exceed the pricepaid for thi
7、s standards document, regardless of the form of the claim.Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold ULharmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonableattorneys fees) resulting from any err
8、or or deviation introduced while purchaser is storing an electronicStandard on the purchasers computer system.Copyright 2017 Underwriters Laboratories Inc.FEBRUARY 20, 2017NATIONAL DIFFERENCES FOR UL 61010-2-2012UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT P
9、ERMISSION FROM ULPrefaceThis document provides a single listing of the technical National Differences included in the UL adoptionof the corresponding IEC standard.In its IEC-based standards, UL uses the notations indicated below to identify national difference type, andthese types are additionally n
10、oted in this document. The standard may not use all types of thesedeviations.D1 - These are deviations which are based on basic safety principles and requirements, elimination ofwhich would compromise safety for U.S. consumers and users of products.D2 - These are deviations based on safety practices
11、 These are deviations for IEC requirements that maybe acceptable, but adopting the IEC requirements would require considerable retesting or redesign on themanufacturers part.DC - These are deviations based on the component standards and will not be deleted until a particularcomponent standard is ha
12、rmonized with the IEC component standard.DE - These are deviations based on editorial comments or corrections.DR - These are deviations based on the national regulatory requirements.Each national difference contains a description of what the national difference entails. Typically one of thefollowing
13、 words is used to explain how the text of the national difference is to be applied to the base IECtext:Addition / Add - An addition entails adding a complete new numbered clause, subclause, table, figure,or annex. Addition is not meant to include adding select words to the base IEC text.Deletion / D
14、elete - A deletion entails complete deletion of an entire numbered clause, subclause, table,figure, or annex without any replacement text.Modification / Modify - A modification is an altering of the existing base IEC text such as the addition,replacement or deletion of certain words or the replaceme
15、nt of an entire clause, subclause, table, figure,or annex of the base IEC text.FEBRUARY 20, 2017 NATIONAL DIFFERENCES FOR UL 61010-2-201 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNational Differences5.3DV D2 Modification of Clause 5.3 of the Part 1 by replacing the text with the followingrequirement:Open equipment shall be exempt from the Durability of markings test unless cleaning inthe area of required markings is recommended by the manufacturer.FEBRUARY 20, 2017NATIONAL DIFFERENCES FOR UL 61010-2-2014
