SUN - UL 62, CSA C22.2 No. 49, Flexible Cords and Cables

Effective March 14, 2016

Standard Information
Standard Number:
UL 62 / CSA C22.2 No. 49
Standard Name:
Flexible Cords and Cables
Standard Edition and Issue Date:
19th Edition Dated March 14, 2014
Date of Revision:
18th Edition Revised October 20, 2010
 
Effective Date of New/Revised Requirements

Effective Date (see Schedule below): March 14, 2016

 
Impact, Overview, Fees and Action Required

Impact Statement: A review of all Listing Reports is necessary to determine which products comply with new/revised requirements and which products will require re-evaluation. NOTE: Effective immediately, this revised standard will be exclusively used for evaluation of new products unless the Applicant requests in writing that current requirements be used along with their understanding that their listings will be withdrawn on Effective Date noted above, unless the product is found to comply with new/revised requirements.

Overview of Changes: (specific details of new/revised requirements are found in table below): Major revisions to the standard CSA C22.2 No. 49-14/UL 62, 19th Edition are as follows:

  1. Expansion of scope to incorporate electric vehicle (EV) cables Types EVJ, EVJEm,u, EVJT, EV, EVEm,u and EVT, as outlined in TIL J-39.
  2. Addition of odd AWG sizes of flexible cords to allow cords to meet North American and international conductor size requirements, as outlined in TIL J-41.
  3. Addition of specifications for CXWTc and PXWTc in sizes 22 and 20 AWG and Type PXTc in size 22 AWG have been added, as outlined in TIL J-42.

Schedule: So that shipping of products with Listing Marks will not be interrupted, an approximate schedule has been established to ensure Listing Reports are found compliant by Effective Date:

  • August 10, 2015 = 8 Month Report Review – Intertek will review all Reports. Update if compliance is verified or issue Findings Letter/Quote for any re-evaluations needed
  • September 14, 2015 = 6 Month Quote Cut-off – Quotes returned for necessary re-evaluations
  • February 15, 2016 = 30 Day Warning – Client advised of all non-compliant Reports to be Suspended
  • March 14, 2016 = Effective Date – ATM Suspended for all non-compliant Reports

Fees: An initial review of Listing Report (s) will be covered by a direct billing project and will be invoiced at not more than $1000 per report.

Client Action Required:

Information - To assist our Engineer with review of your Listing Reports, please submit technical information in response to the new/revised paragraphs noted in the attached or explain why these new/revised requirements do not apply to your product (s).

Current Listings Not Active? – Please immediately identify any current Listing Reports or products that are no longer active and should be removed from our records. We will do this at no charge as long as Intertek is notified in writing prior to the review of your reports.

 
Description of New/Revised Technical Requirements
ClauseVerdictComment
4.1InfoGeneral construction requirements
4.1.1InfoConductors
4.1.1.7.2InfoLay of strands (Stranding)
4.1.1.7.2.6 

New clause added; requirements for conductor strands that incorporate a fibrous (nonmetallic) thread(s) within the strands to increase the strength of the overall cord.

Fibrous (nonmetallic) thread(s) may be used within the conductor stranding in a non-integrally jacketed flexible cord. When threads are used, the conductor shall meet the requirements of (a) and (b) below and shall be marked in accordance with Clause 6.2.4(h):

(a) Determination of dc resistance in accordance with the test, DC Resistance, in CAN/CSAC22.2 No. 2556, UL 2556, or NMX-J-212-ANCE;

(b) In the U.S., performance tests shall be conducted in accordance with UL 1659. In Canada, performance tests shall be conducted in accordance with CAN/CSA-C22.2 No. 65. The construction and arrangement of the threads is not specified.

Note: In Mexico, Clause 4.1.1.7.2.6 does not apply.
4.1.12 

New section added. Electric vehicle cables are allowed to contain optical fibre members. This new clause provides the requirements for constructions incorporating these optional components.

Optical fibre members
4.1.12.1 Types EV, EVEm,u, EVT, EVJ, EVJEm,u, and EVJT may have optical fibre members incorporated in their construction.
4.1.12.2 The flexible cords specified in Clause 4.1.12.1 and having fibre optic members shall comply with all of the requirements for the standard construction of these cords. The optical fibre members shall be cabled with the insulated conductors. See Clause 4.1.4.1.
4.1.12.3 Optical fibre members shall not contain any current-carrying or electrically conductive elements, and may contain nonmetallic strength members.
4.8 New section added specifying particular requirements for electric vehicle cables;

Electric vehicle cables
4.8.1 General

These cables have a temperature rating of 60 – 105°C dry, 60°C wet, 300 or 600 V, employing oil-resistant and sunlight-resistant jacket and suitable for use in wet locations.
4.8.2 Conductors

Conductors shall comply with Clause 4.1.1.
4.8.3 Insulation
4.8.3.1 Insulation shall be in accordance with Clause 4.1.2. The classes, thickness, and required testing of insulation to be used on a particular type shall be as shown in Table 40. Insulation thickness of signal and communication conductors 18 AWG and smaller shall comply with the requirements for 18 AWG circuit conductors.
4.8.3.2 The average and minimum thickness of insulation shall be determined in accordance with the test Thickness in CAN/CSA-C22.2 No. 2556, UL 2556, or NMX-J-556.
4.8.4 Covering

The application of a covering, in accordance with Clause 4.1.3, over the insulation of individual conductors, shall be permitted.
4.8.5  Conductor assembly

Conductor assembly, fillers, and binders shall be in accordance with Clause 4.1.4.
4.8.6 Shielding

A shield over the assembled conductors, if provided, shall comply with Clause 4.1.5.
4.8.7 Jackets
4.8.7.1 Jackets shall be in accordance with Clause 4.1.6. The classes, thickness, and required testing of jackets to be used on a particular type shall be as shown in Table 40.
4.8.7.2 The jacket on a cable containing at least one conductor larger than 2 AWG shall be reinforced by a tape, two servings, or braid of natural or synthetic material. If two servings are used, they shall be applied in opposite directions of lay. The reinforcing layer shall be under the single layer jacket, or between the layers of the two-layered construction. The total jacket thickness shall be in accordance with Tables 57 and 58.
4.8.7.3 The average and minimum thickness of the jacket shall be determined in accordance with the test Thickness in CAN/CSA-C22.2 No. 2556, UL 2556, or NMX-J-177-ANCE.
4.8.8 Overall dimensions

The overall diameter of the finished cord or cable shall conform to Clause 4.1.7, except Table 13 does not apply.
4.8.9 Coiled cords

Coiled cords shall comply with Clause 4.1.8.
4.8.10 Methods of distinguishing conductors

The method of distinguishing conductors shall comply with Clause 4.1.9.
5InfoPerformance and test requirements
5.1InfoPhysical properties
5.1.7 

Clause has been revised to include electric vehicle cables. Additions to existing requirements are underlined

Weather resistance – all ²W² cords and electric vehicle cables

After conditioning for 720 h in a xenon arc weatherometer as described in the test, Weather (sunlight) resistant, in CAN/CSA-C22.2 No. 2556, UL 2556, or NMX-J-553-ANCE, the insulation on a specimen of the individual conductor of Types CXWTc and CXTWu and on finished Types PXWTc, SPT-1Wc,u, SPT-2Wc,u, and XTWu and the jacket of other Type ²W² cords shall:

(a) Show no cracks when wound one complete turnaround a mandrel having a diameter as shown in Table 43 while at a temperature of –30°C ±1°C for a period of 1 h. During the bending, the conditioned surface shall be opposite the surface contacting the mandrel. The specimen shall be allowed to rest 16 h to 96 h at room temperature before conducting the cold bend test.

(b) Retain an average tensile strength and elongation of not less than 80%. Conditioned and unaged sets (five specimens each) shall be allowed to rest 16 h to 96 h at room temperature, followed by physical properties testing. Conditioned surfaces required to be diecut shall not be buffed or skived away.
5.1.11 

EVJ and EV types are also subject to this test. Additions to existing requirements are underlined

Swelling and blistering — types HSJOW, HSJOOW, SJOW, SJOOW, SOW, SOOW, EVJ, and EV

The jacket of a 10 m (33 ft) length of finished cord shall neither blister nor increase the cord diameter by more than 20% after the specimen of finished cord has been immersed continuously in water for two weeks at 50°C±1°C. Compliance shall be determined with the apparatus and in accordance with the test, Swelling and blistering when immersed in liquid, in CAN/CSA-C22.2 No. 2556, UL 2556, or NMX-J-556-ANCE.
5.1.22 

New section added. Based on foreseeable conditions of use, the low temperature impact test shall be conducted on electric vehicle cables, sizes 10AWG and larger. The Junior EV cords are not included because the largest size for Junior EV cables is 12 AWG (see
also Table 40)


Low-temperature impact test (Types EV, EVEm,u, EVT)
5.1.22.1 Electric vehicle cables containing at least one conductor 10 AWG or larger shall not exhibit cracks or ruptures visible to normal or corrected-to-normal vision in the overall jacket component insulation or component shield coverings on at least 8 out of 10 specimens of finished cable when tested in accordance with the test, Cold Impact, in UL 2556 or CAN/CSA-C22.2 No. 2556, after conditioning for 4 h at minus 40°C or at the lower temperature rating marked on the cable.
5.1.23 

New section added specifying crush resistance requirements for all electric vehicle types.

Crush resistance test (Types EV, EVJ, EVJT, EVEm,u, EVT, EVJEm,u)
5.1.23.1 Finished cable shall be subjected to the test, Crush Resistance, in accordance with UL 2556 or CAN/CSA-C22.2 No. 2556; Method 2 (drill rod and plate).
5.1.23.2 

Results and calculations – each finished cable shall comply with the minimum average crush force as indicated below:

(a) For cable with at least one conductor up to and including 12 AWG conductors – 4.45 kN (1,000 lbs).

(b) For cable using larger than 12 AWG and up through 2 AWG conductors – 11.1 kN (2,500lbs).

(c) For cable using larger than 2 AWG conductors – 15.6 kN (3,500 lbs).
5.2InfoElectrical properties
5.2.2 

Electric vehicle cables have been added. Additions to existing requirements are underlined

The finished individual insulated conductors (including any nylon or other covering) of finished flexible cords and cables shall be capable of withstanding for 1 min, without breakdown, the application of an alternating (rms) voltage as indicated in Table 47 between each insulated conductor and between the insulated conductors and any other conductive components and ground, on a specimen at least 15 m (50 ft) in length. All ²W² Type cords and electric vehicle cables shall be conditioned in water for a period of at least 6 h prior to testing. All indoor cords shall be conditioned in air at room temperature for a period of at least 6 h prior to testing.

For all ²W² Type cords and electric vehicle cables, the dielectric strength test shall be performed in accordance with the test, Dielectric Voltage-Withstand Method 1, in CAN/CSA-C22.2 No. 2556, UL 2556, or NMX-J-293-ANCE.

For all indoor type cords, the dielectric strength test shall be performed in accordance with the test, Dielectric Voltage-Withstand Method 1, in CAN/CSA-C22.2 No. 2556, UL 2556, or NMX-J-293-ANCE except without immersion in water.
5.2.3     InfoInsulation resistance
5.2.3.1 

Electric vehicle cables have been added. Additions to existing requirements are underlined

Insulation resistance for all ²W² Type cords and electric vehicle cables at 15°C

Before assembly into an outdoor jacketed cord, finished individual insulated conductors (circuit and grounding and including any nylon or other covering) shall be capable of exhibiting an insulation resistance of not less than shown in Table 48 or 49, when a specimen of at least 15 m (50 ft) is tested in water at 15°C immediately following the dielectric strength test described in Clause 5.2.2.

For all other ²W² type cords, the cable shall be tested as a complete assembly.

If tested at temperatures different than 15°C, the values shall be corrected to 15°C.
5.2.4InfoPermittivity and stability factor
5.2.4.1 

Electric vehicle cables have been added. Additions to existing requirements are underlined

Permittivity – ²W² Type cords and electric vehicle cables
5.2.4.2 

Electric vehicle cables have been added. Additions to existing requirements are underlined

Stability factor – ²W² Type cords and electric vehicle cables

When tested in accordance with test, Stability factor, in CAN/CSA-C22.2 No. 2556, UL 2556, or NMX-J-205-ANCE, the insulation (with nylon and any other covering removed), on 3 specimens of 5 m (16 ft) each shall meet one of the following requirements:

(a) The stability factor (the numerical difference between the percentage power factors

measured with current at average stresses of 3150 V/mm and 1575 V/mm (80 V/mil and 40V/mil)) after the fourteenth day of immersion shall not be greater than 1.0; or

(b) The difference between the stability factors measured after the first and fourteenth days shall not be greater than 0.5.
6.2InfoProduct marking
6.2.1.1 

General requirement has been revised to indicate that electric vehicle cables shall not be marked “outdoor” as is consistent with other cord types. Additions to existing requirements are underlined

Unless otherwise specified, the marking shall consist of surface printing, indent marking, embossing, or a marker tape under the jacket. No ampacity or other current designation (except as noted in Clauses 6.2.4(f), 6.6.3, and 6.7.3) or the word ²outdoor² shall appear on the flexible cord, electric vehicle cable, elevator cable, or hoistway cable.
6.2.4 

Revised to indicate that electric vehicle cables shall be marked when rated -50°c, -60°C or -70°C, the marking “EVT(TPE)” has been added, and New marking “with thread” has been added for conductors that contain a fibrous thread(s). Additions to existing requirements are underlined

Additional surface markings on finished product

The following markings, where applicable, shall be surface-marked on the finished product:

(a) The low temperature rating for all ²W² type cords and electric vehicle cables when rated –50°C, – 60°C, or –70°C in accordance with Clauses 5.1.6 and 5.1.22;

(b) The word ²shielded² for cords that are provided with a shield;

(c) The words ²metal support member² for cords that are provided with a metal core in

accordance with Clause 4.1.11.3;

(d) For Canada and Mexico only, cords consisting of TPE insulation and jacket the marking ²(TPE)² following the type designation, e.g., ²SJT (TPE)² or ²EVT (TPE)²;

(e) ²Green conductor for Grounding Only² or ²Green conductor with yellow stripes for

Grounding Only² for all integral parallel types;

(f) For low-leakage cords conforming to Clause 4.3.13, the wording ²Max leakage/3m at __V:__ μA to green and μA thru jacket² or ²Max. leakage/10 ft. at __V: __ μA to green and μA thru jacket², with applicable values from Table 24 inserted;

(g) The suffix ²-R² shall be placed directly after the cord designation for those cords which comply with the requirements in Clauses 5.1.14, and 5.1.16 through 5.1.18; and

In Canada and Mexico, this marking does not apply.

(h) The words ²with thread² placed directly after conductor size on cords that contain conductors with fibrous (non-metallic) thread(s) in accordance with Clause 4.1.1.7.2.6.

In Mexico, this marking does not apply.
6.2.6InfoOil-resistance marking
6.2.6.1 

Note has been added to indicate that the use of the letter “O” shall not be used in the type designations of electric vehicle cables even though they have an oil-resistance jacket. Additions to existing requirements are underlined

Oil-resistance jacket

Except for Types EO, ETT, and ETP, a cord marked with the letter ²O² included in the type designation (e.g., SJO, STOW, and SEOu) shall have a jacket that complies with the specified oil test in Table 12.

Note: Although Types EV, EVJ, EVJT, EVEm,u, EVT, and EVJEm,u are required to have an oil-resistant jacket, the use of the letter ²O² is not permitted in the type designation.
6.3 

The sub-clauses have been revised to indicate that the optional markings for type “W” cords are also permitted for electric vehicle cables. Additions to existing requirements are underlined

Optional markings

The following additional information may be printed on the finished product if desired by the manufacturer:

(a) The wording ²water resistant² or ²water resistant 60 °C² for ²W² type cords and electric vehicle cables;

(b) A part, specification, or catalog designation or other required information, provided that it is in no way confusing or misleading;

(c) Compound identification expressed in a singular form when the insulation and jacket are of the same material (e.g., ²CPE²) or expressed in a dual form listing the insulation first and the jacket last when not using common materials (e.g., ²PVC/TPE²); and

(d) The marking ²–40°C² for ²W² type cords and electric vehicle cables complying with the mandatory –40°C test.
   
Tables 1, 4, 5, 6, 7, 10 

In Tables 1, 4, 5, 6, 7, 10 there are two major revisions:

a) The specifications for odd size AWG cords, i.e., 13, 11, 9, 7, 5, and 3 AWG have been added.

b) Sizes 1 AWG to 500 kcmil have been added to accommodate EV type cables. Refer to Table 40 for construction details.
Table 2 The stranding requirements for types EVJ, EVJEm,u, EVJT, EV, EVEm,u, EVT have been added.
Table 3 

The following footnotes have been deleted: ( in (a) cord types are no longer unique to Canada and the US. In (b) The 17 AWG gauge size is no longer unique to the US. In (c) The17 and 15 AWG sizes are no longer unique to the US.

a) *Types SV, SVO, SVOO, SVT, SVTO, SVTOO, SJ, SJO, SJOO, SJOW, SJOOW, SJT, SJTO, SJTOO, SJTW, SJTOW, and SJTOOW in the United States and Canada only.

b) † Types S, SO, SOO, SOW, SOOW, ST, STO, STOO, STW, STOW, STOOW, SVEu, SVEOu, SVEOOu , SJEu, SJEOu, SJEOOu, SJEWu, SJEOWu, SJEOOWu ,SEu, SEOu,

SEOOu, SEWu, SEOWu, SEOOWu, SP-3u, SPT-3, SPE-3u, HPDu, HSJ, HSJO, HSJOW, HSJOO, HSJOOW, Cu, PDu, E, EO, ETT, and ETP in the United States only.

c) ‡ Gauge size for the United States only.
Table 12 Revised to include electric vehicles where oil-resistant test is required.
Table 15 a. Revised to accommodate odd size AWG cords.

b. Class 1.1 has been added for jacket class for hard usage and extra hard usage cords for Types SJ and S respectively. They were inadvertently omitted from the previous edition.
Table 16 The number of conductors has been corrected from “2 – 4” to “3– 4” to agree with NEC.
Table 20 and 21 Revised to include values for odd AWG sizes and to clarify that the abrasion, mandrel pinching, mandrel crushing and flexing tests are not applicable to extra hard usage cords.
Table 40 New table specifying the electric vehicle types, temperature and voltage ratings, construction and test requirements, has been added to accommodate the addition of electric vehicle cables in the scope of this standard.
 Tables 42, 44, 46, 47, 48, 49, 54, 55, 56, 57, 58 and 61. The following tables have been revised to include the requirements for odd AWG sizes and/or electric vehicle cables – Tables 42, 44, 46, 47, 48, 49, 54, 55, 56, 57, 58 and 61.
Table 46 For HSJO, HSJOW, HSJOO, HSJOOW, HPDu, and HSJ, the average insulation thickness for 15-12 AWG (1.65 - 3.31 mm2) has been revised to 1.14 mm2 (45 mils) to correspond with the NEC.
Table 58 The thickness of jackets for cables with core diameter less than 0.75 mm has been added.

CUSTOMERS PLEASE NOTE: This Table and column "Verdict" can be used in determining how your current or future production is or will be in compliance with new/revised requirements.