Iec 60331 part 21 pdf

Iec 603312002 tests for electric cables under fire conditions circuit integrity part 31 procedures and requirements for fire with shock cable of rated voltage up to and including 0. Iec flame and fire standards central cables limited. However, the test methods employed are quite different. Tests for electric cables under fire conditions circuit integrity comparable test procedures test duration test temperature.

Tests for electric cables under fire conditions circuit integrity part 21. Free download iec 60331 pdf standard from public digital library. Jun 26, 2018 iec 60331 21 60331 12 plus en 50200 annex e. Procedures and requirements cables of rated voltage up to and including 0,61,0 kv iec6033121 edition 1. Iec 60331 consists of the following parts under the general title. F4a fr en 50266 2 1 iec60332321 cables are mounted on both sides front and rear of the ladder. Introduction replace the existing text by the following.

This version of the report has been produced from a. Circuit insulation integrity in accordance with iec. Procedures and requirements cables of rated voltage up to and including 0,61,0 kv l. Circuit insulation integrity in accordance with iec 60331 faq. F4a en 5026622 iec 60332322 cables are mounted on the front of the ladder. Power and control cables normally have conductors of class 1 solid conductors or class 2 stranded conductors. Iec 6033111 is to be used in conjunction with parts 21, 23 or 25. Iec 60331 11 21 executive summary objective to determine the performance of the following cable when it is subjected to the conditions of test specified in iec 60331 21. This part of iec 60331 specifies the test procedure and gives the performance requirement. Iec 60331 part 11 and associated part 21, 23 and 25. Category a fr for special applications only iec part 22en part 22. Free download iec 60331 pdf standard from public digital.

Part 12 apparatus fire with shock at a temperature of at least 830 oc. Iec603311 tests for electric cables under fire conditions circuit integrity part 1. Iec6033121 tests for electric cables under fire conditions circuit integrity part 21. Apparatus fire alone at a flame temperature of at least 750 c. The purpose of this test method is to determine whether a cable can maintain circuit integrity when it is exposed to the fire conditions described within the method. Category a fr for special applications only iec part 22en part. Procedures and requirements cables rated up to and including 0,61,0 kv. We use the term fire resistant to indicate a cable that will continue to operate in the presence of a fire and. Note 2 parts 11, 21, 23 and 25 are no longer subject to maintenance. Cables not exceeding 20 mm iec 6033121 tests for electrical cables under fire conditions. Iec603311 tests for electric cables under fire conditions. Generic description product reference thickness diameter weight per unit area or density. Among standards being followed in the industry today are the iec 60331, modified versions of iec 60331, ul 2196, and ul 1709 per api 2218. Iec flame and fire standards the iec flame resistance and fire propagation tests are often confused with one another on the basis of their very similar designations.

Apparatus fire with shock at a flame temperature of at least 830c. Is iec 60331 test sufficient for fire resistive cables in. Test method for fire with shock at a temperature of at least 830c for cables of rated voltage up to and including 0,61,0 kv and with an overall diameter exceeding 20 mm. Test method for fire with shock at a temperature of at least 830 c for cables of rated voltage up to and including 0,61,0 kv and with an overall. Iec 60331 21 tests for electric cables under fire conditions circuit integrity part 21. Apparatus fire alone at a flame temperature of at least 750 c iec 6033121.

The cable is connected to an electric source, with a voltage equals the cables rated voltage from one end with indicator lamps at. Tests on electric cables under fire conditions part. This part of iec 60331 specifies the test procedure, and gives the performance requirement, including a recommended flame application time, for optical fibre cables required to maintain circuit. Procedures and requirements cables rated up to and including. Iects 606951121 may be used instead of the test methods in iec 6033212, iec 60332 or iec 6033222. Iec 60331 part 21 and part 11 rated voltage up to and including 0. Procedures and requirements cables of rated voltage up to and including 0,61,0 kv. Din vde 0472 part 814 this test is similar to the iec 6033111 associated to part 21, except that the fire exposition is 3 hours at 400v plus 24 hours in voltage conditions without fire. This part of iec 60331 specifies the test procedure and gives the performance requirement, including a recommended flame application time, for cables of rated voltage up to and including 0,61,0 kv required to maintain circuit integrity when subjected to fire under specified conditions. Flame temperature is user specified but 750c is minimum requirement. Iec standard for flame retardancy the european electrical committee categorizes the fire performance of the cables into three classes, namely iec 603321, iec 603322, iec 603323, iec 603321 and iec 603322 are used to assess the flame propagation characteristics of a single wire. The purpose of this test method is to determine whether a cable can maintain circuit integrity. Procedures and requirements cables of rated voltage up to and including 0,61,0 kv iec 60331 21 edition 1.

Procedures and requirements cables of rated voltage up to and. Iec 60331, bs 6387, ss 299 fire resistance test iec 60332, bs 4066, ieee 383 flame retardant test iec 61034, bs 7622, en 50268 smoke emission test iec 60754, bs 6425 halogen content test astm d 2863 oxygen index test the fire resistant cables are categorized by a letter symbol e. Tests for electric cables under fire conditions circuit integrity. Part 3 test method for fire with shock at a temperature of at least 803 o c for cables of rated voltage up to and including 0. With reference to the test procedure given in clause 6, the cable possesses the characteristics for providing circuit integrity so long as during the course of the test. Flame temperature determined by the stipulated quantity of propane gas and air. Iec 60092376 electrical installations in ships part 376. Note 1 parts 21, 23 and 25 relate to fireonly conditions at a flame temperature of at least 750c. Procedures and requirements cables of rated voltage up to and including 0,61,0 kv 750. Iec 60331, bs 6387, ss 299 fire resistance test iec 60332, bs 4066, ieee 383 flame retardant test iec 61034, bs 7622, en 50268 smoke emission test iec 60754, bs 6425 halogen content test astm d. The total number of test pieces shall provide a nominal total volume of nonmetallic material of 7 liters per meter. This part of iec 60331 specifies the test procedure and gives the performance requirement, including a recommended flame application time, for cables of rated voltage up to and including 0,61,0 kv.

Jan 05, 2017 among standards being followed in the industry today are the iec 60331, modified versions of iec 60331, ul 2196, and ul 1709 per api 2218. Functional integrity and fire resistance of electric cables unlike iec 6033212 and iec 603323, this test does not assess the flame propagation but instead checks the electrical functioning of the. Bs 6387 cwz fire cables category c iec 603323 the text of the international standard iec 60332324. The total number of test pieces shall provide a nominal total volume of nonmetallic material of 7 liters. This document includes details for the specific point of failure, continuity checking arrangement, test sample, test procedure. Documents sold on the ansi webstore are in electronic adobe acrobat pdf format, however some. Iec 60331122002 tests for electric cables under fire conditions circuit integrity part. All bsi british standards available online in electronic and print formats. Which of these standards will ensure the best performance during a fire event.

Procedures and requirements cables of rated voltage up to and including. Din 4102 part 12 tests cables in conjunction with cable trays and clamp used in reallife situations. Flame duration is user specified but 90 minutes is usually recommended. This part of iec 60331 specifies the test procedure, and gives the performance requirement, including a recommended flame application time, for optical fibre cables required to maintain circuit integrity when subjected to fire under specified conditions. Tests for electric cables under fire conditions electric data cables. Tests for electric cables under fire conditions acceptance criteria. Iec standard for flame retardancy the european electrical committee categorizes the fire performance of the cables into three classes, namely iec 603321, iec 603322, iec 603323, iec 603321 and iec. Tests for electric cables under fire conditions circuit integrity part 1. Method of test defined determining the circuit integrity. Iec 60228 specifies four different classes of conductors. Differences between flame retardant and fire resistant cables.