Single- or multiconductor – V – 90ºC – ICEA S Halogen-free (LSZH- HFFR). MH. Applications. Recommended for use in highly populated enclosed. ANSI/NEMA WC ICEA S Power Cables Rated Volts or Less for the Distribution of Electrical Energy Published by National. ANSINEMAWC70ICEANonshielded Power Cables Rated Volts or Less for the Distribution of Electrical Energy-Applies to materials, constructions.
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Consensus does not necessarily mean that there is unanimous agreement among every person participating in the development of this document.
ICEA standards and guideline publications, of which the document contained herein is one, are developed through a voluntary consensus standards development process. This process brings together persons who have an interest in s–95-658 topic covered by this publication.
While NEMA and ICEA administers the process s-956-58 establishes rules to promote fairness in the development of consensus, they do not independently test, evaluate, or verify the accuracy or completeness of any information or the soundness of any judgments contained in its standards and guideline publications.
NEMA and ICEA disclaims liability for personal injury, property, or other damages of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, application, or reliance on this document. NEMA and ICEA disclaims and makes no guaranty or warranty, expressed or implied, as to the accuracy or completeness of any information published herein, and disclaims and makes no warranty that the s-95-6558 in this document will fulfill any of your particular purposes or needs.
Anyone using this document should rely d-95-658 his or her own independent judgment or, as appropriate, seek the advice of a competent professional in determining the exercise of reasonable care in any given circumstances. Information and other standards on the topic covered by this publication may be available -s95-658 other sources, which the user may wish to consult for additional views or information not covered by this publication.
Any certification or other statement of compliance with any health or safety-related information in this document shall not be attributable to NEMA and ICEA and is solely the iicea of the certifier or maker of the statement. The user of this Standard is cautioned to observe any health or safety regulations and rules relative to the manufacture and use of cable made in conformity with this Standard. Requests for interpretation of this Standard must be submitted in writing to: Insulated Cable Engineers Association, Inc.
Suggestions for improvements gained in the use of this Standard will be welcomed by the Association. Where a conflict exists between the requirements of Section 8, or other ICEA documents, and those of Icez 1 to 7 inclusive, the requirements of specific types shall apply. See Section 6 for test procedures not elsewhere referenced. Recommended minimum bending radii are given in Appendix F.
In classifying crosslinked insulations and jackets in these standards, the term “rubber” when used alone without further description shall mean synthetic rubber. Insulation thicknesses are designated in terms of cable insulation levels see 3.
In classifying jackets and sheaths in these standards, the term “jacket” refers to a continuous nonmetallic covering and ices to a continuous metallic covering. Requirements of a referenced ASTM standard shall be determined in accordance with the procedure or method designated in the referenced ASTM standard unless otherwise specified in this standard.
Normal operating voltage between phases or, in direct current, between conductors. Number of phases and conductors. Cable insulation level see 3. Minimum temperature at which cable will be installed.
Direct burial in ground. Descriptions other than the foregoing. Number of loaded cables in duct bank or conduit.
Method of bonding and grounding of sheaths. Wet or dry location. Quantities and Description of Cable Total number of feet, including test lengths, and shipping reel lengths if specific lengths are required. Describe as single conductor, two-conductor, three-conductor, etc. Rated circuit voltage, phase to phase.
Type of conductor – copper or aluminum. Size of conductor — If conditions require other than standard stranding, a complete description should be given. Type of outer covering. Maximum allowable overall diameter. When duct space is not limited, it is desirable not to restrict the overall diameter. Method of conductor identification. Resistance will be determined in accordance with 2. Compliance with cross-sectional area is not required. The following technical information on typical conductors may be found in Appendix G: Approximate diameters of individual wires in stranded conductors.
Conductors shall be solid or stranded. The outer layer of an uncoated stranded copper conductor may be tin coated to obtain free stripping of an adjacent polymeric layer. Flexible conductors are referenced in 2. For Flexible Aluminum Conductors consult manufacturer. The nominal cross sectional area within these tables is not a requirement.
Power Cables Rated 2,000 V or Less for the Distribution of Electrical Energy
The dc resistance shall be determined in accordance with 2. Where the outer layer of an uncoated stranded copper conductor is tin coated, the direct current resistance of the resulting conductor shall not exceed the value specified for an uncoated conductor of the same size. When a sample is taken from a multiple conductor cable, iccea resistance shall comply with the appropriate maximum resistance value specified for a single conductor cable.
If measurements are made at a temperature other than 25? C, the measured value shall be converted to resistance at 25? If verification is required for the direct-current resistance measurement made on an entire length of completed cable, a sample at least 1 foot 0.
C shall be calculated using the following formula: Aluminum Class B, C, D Stranded includes compressed and compact conductors.
A volume resistivity of Increase in S-955-658 Due to Stranding 1. The value of K weight increment factor given in Table See Table for Use of Factors.
Power Cables Rated 2, V or Less for the Distribution of Electrical Energy – NEMA
The insulating material shall meet the dimensional, electrical and physical requirements specified in Section 3. Crosslinked polyethylene compound shall be either filled or unfilled. The insulation shall be applied directly to the surface of the conductor or optional separator. While these cables are applicable to the great majority of cable installations which are on grounded systems, they may be used also on other systems for which the application of cables is acceptable provided the above clearing requirements are met in completely de-energizing the faulted section.
Cables in this category may be applied in situations where the clearing time requirements of the percent level category cannot be met, and yet there is adequate assurance that the faulted section will be de-energized in a time not exceeding 1 hour. Their use is recommended also for resonant grounded systems. In common with other electrical equipment, the use of cables is not recommended on systems where the ratio of the zero to positive phase reactance of the system at the point of cable application lies between -1 and since excessively high voltages may be encountered in the case of ground faults.
The thicknesses of insulation given in Tables,andshall apply to single-conductor cables and to the individual conductors of multiple-conductor cables, except nonsheathed submarine cables.
For nonsheathed submarine cables, see 3. The thickness of the insulation shall be not less than that given in Tables through for the various insulation types and voltage ratings. Multiply the phase to phase system voltage by 1. Use resulting voltage value to select the corresponding insulation thickness from Tables,and as applicable.
Use the resulting voltage value to select the corresponding insulation thickness from Tables,or as applicable.
Each length of insulated conductor containing repairs or joints shall meet the electrical requirements icda Tables and as applicable. The cable shall withstand, without failure, the test voltages given in Table throughas applicable. The test voltages shall be based on the rated voltage of the cable and the size of the conductor and not on the apparent thickness of the insulation.
When an insulated conductor is individually covered with a non-metallic jacket, the insulation resistance shall not be less than 60 percent of that required for the insulation based on the thickness of the insulation.
The ac voltages are rms values. Insulation thicknesses are adequate for both percent and percent insulation levels. Column A thicknesses shall apply to single-conductor power cables and multiple conductors without an overall jacket for general application which employ lcea sunlightresistant, carbon-black pigmented Insulation without further covering.
Column B thicknesses apply to multi-conductor cables with an outer s-9-5658 and to single-conductor cables with an outer covering.
The Column B thicknesses are considered adequate for electrical purposes and may z-95-658 specified for single-conductor cables employing sunlight-resistant, carbon black pigmented insulation without further covering. These cables may be used in applications where installation and service conditions are such that the additional thickness for mechanical protection is not considered necessary for satisfactory operation.
Nominal mils 30 45 60 80 95 mm 0. For cables or conditions of icfa where mechanical stresses govern, such as in submarine cables or long vertical risers, the small conductor sizes may not be strong enough. For single conductor cables for installation in underground ducts or direct earth burial and for all submarine cables, add 15 mils to the insulation thicknesses when such cables do not have a thermoplastic jacket or metallic sheath over the assembly.
Increase in capacitance, max. Alternate Stability Factor, Difference days, max. Insulation Resistance IRK The jacket shall meet the requirements stated therein and those given in Table and The tests shall be made only on jackets having a minimum wall thickness of 25 mils 0.
Jackets for application over metallic coverings are listed in 4. The jacket shall meet the requirements stated therein and in Table In classifying jackets and sheaths in these standards, the term “jacket” refers to nonmetallic coverings and “sheath” refers to continuous metallic coverings.
When tested in accordance with Section 6, the jacket shall meet the applicable requirements of Table When tested in accordance with Section 6, the jacket shall meet the applicable requirements of Table 4.
It shall be based on a fluxed blend of acrylonitrile-butadiene synthetic rubber and polyvinyl-chloride resin. Unless otherwise specified, the jacket shall meet the applicable requirements specified in Table When tested in accordance with Section 6 the jacket shall meet the requirements of Table