、1.Scope 范围

This SEC Distribution Materials Specification specifies the minimum technical requirement for design, engineering, manufacturing, inspection, testing and performance of XLPE insulated, unarmored, four core Aluminum or single core Copper power cables, PVC insulated multi core control cables rated up to 750V, suitable for direct burial or installation in ducts or in air within cable guard on poles intended to be used in the low voltage system of Saudi Electricity Company (SEC), Saudi Arabia.
本规范为沙特电力公司（SEC）低压系统所用的电缆制定了最低技术要求，适用于交联聚乙烯（XLPE）绝缘、无铠装四芯铝芯或单芯铜芯电力电缆，以及额定电压不超过750V的聚氯乙烯（PVC）绝缘多芯控制电缆。电缆可用于直埋、穿管或架空安装（如通过电杆上的电缆护管），涵盖设计、工程、制造、检验、测试及性能等方面的最低技术标准。

2.CROSS REFERENCES 交叉引用

This Specification shall always be read in conjunction with SEC General Specification No. 01-SDMS-01 latest revision titled “General Requirements for all Equipment/Materials”, which shall be considered as an integral part of this SDMS.
本规范应始终结合沙特电力公司最新版本的《通用设备/材料要求总规范》编号 01-SDMS-01 一起阅读，该规范应视为本SDMS规范的组成部分。

This SDMS shall also be read in conjunction with SEC Purchase Order or Contract Schedules and the Scope of Work and Technical Specifications for project, as applicable.
本SDMS还应结合相关采购订单、合同进度表以及项目的工作范围与技术规范一并阅读（如适用）。

3.APPLICABLE CODES AND STANDARDS 适用标准和规范

The latest revision of the following Codes and Standards shall be applicable for the equipment/material covered in this SDMS. In case of conflict, the vendor/manufacturer may propose equipment/material conforming to one group of Codes and Standards quoted hereunder without jeopardizing the requirements of this SDMS.
以下标准的最新版本适用于本SDMS所涵盖的设备/材料。如有冲突，供应商/制造商可提出符合下列某一组标准的设备/材料方案，但不得影响本SDMS的要求。

Table 1: List of applicable standards
表 1：适用标准清单

4.DESIGN AND CONSTRUCTION REQUIREMENTS 设计与结构要求

4.1 GENERAL 一般要求

4.1.1 Cables shall meet or exceed the requirements of this Specification in all respects.
电缆在所有方面应符合或超过本规范的要求。

4.1.2 Manufacturer's drawings, as required by 01-SDMS-01 latest revision, shall show the outline of the cables, together with all pertinent dimensions. Any variations in these dimensions due to manufacturing tolerances shall be indicated.
制造商应按最新版本的01-SDMS-01要求提供电缆图纸，图纸应标明电缆外形及所有相关尺寸。任何因制造公差引起的尺寸偏差也应予以注明。

4.2. DESIGN CRITERIA 设计准则

4.2.1 Unless otherwise specified, the cable shall be manufactured and tested in accordance with the referred standards.
除非另有规定，电缆的制造与测试应符合所引用的标准。

4.2.2 Cables shall be designed for ambient temperature conditions specified in 01-SDMS-01 latest revision.
电缆的设计应适用于最新版本01-SDMS-01中规定的环境温度条件。

4.2.3 The cable shall be designed for a maximum permissible continuous temperature of 90°C, emergency loading temperature of 105°C and maximum conductor short circuit withstand temperature of 250°C.
电缆的设计应满足以下温度要求：允许的连续运行最高温度为90°C，应急负载时为105°C，导体短路时的耐受温度上限为250°C。

4.2.4 The ratings and dimensions shall be as indicated in Data Schedule.
电缆的额定值和尺寸应按技术数据表中的规定。

4.3. MATERIALS 材料

4.3.1 CONDUCTOR 导体

4.3.1.1 The conductor shall be uncoated annealed copper or aluminum class 2 as per IEC 60228 and shall be compacted and stranded.
导体应为未镀层退火铜或IEC 60228规定的2类铝导体，压缩并绞合成型。

4.3.1.2 Copper power and control cable shall be soft drawn multi-strands with minimum number of strands as specified in the relevant IEC.
铜质电力电缆和控制电缆应为软拉多股导体，其股数不少于IEC相关标准的规定。

4.3.1.3 The conductor size, shape and material shall be as specified in Data Schedule and shall be as shown in Table 2 below:
导体的尺寸、形状和材料应符合技术数据表的要求，详见下表：

Table 2: Cable type overview
表2：电缆类型概述

4.3.2 INSULATION 绝缘

4.3.2.1 Power cables insulation shall be extruded solid dielectric cross-linked polyethylene (XLPE), Control cables insulation shall be polyvinyl chloride (PVC). Insulation shall comply with the appropriate requirements specified in IEC 60502-1.
电力电缆应采用挤包实心介质交联聚乙烯（XLPE）绝缘，控制电缆应采用聚氯乙烯（PVC）绝缘。绝缘材料应符合IEC 60502-1中规定的相关要求。

4.3.2.2 The nominal insulation thickness shall be as per values specified in IEC 60502-1, with respect to voltage rating and cable cross-section.
绝缘的标称厚度应依据IEC 60502-1中对应的电压等级和电缆截面积确定。

4.3.2.3 The nominal minimum insulation thickness of control cables shall be according to relevant standard.
控制电缆的绝缘标称最小厚度应符合相关标准的规定。

4.3.2.4 The average insulation thickness shall not be less than the specified nominal value.
绝缘的平均厚度不得小于规定的标称值。

4.3.2.5 The minimum thickness of the insulation at any point shall not fall below the nominal value by more than 0.1 mm + 10% of the specified nominal value.
绝缘在任一点的最小厚度不得小于标称值的 0.1 mm + 10%。

4.3.3 INNER COVERING AND FILLERS REQUIREMENTS
4.3.3.1 The inner covering is not required as power cables are unarmored, however, the outer shape of the cable shall remain practically circular and no adhesion occurs between cores and sheath.
电力电缆为无铠装结构，不要求设置内护套，但电缆外形应保持基本圆形，导体芯线与护套之间不得粘连。

4.3.3.2 Multi-core, sector shape cables shall have non-hygroscopic film fillers in order to form a compact circular outer shape.
多芯扇形电缆应采用非吸湿性薄膜填充材料，以形成紧凑的圆形外形。

4.3.3.3 Inner covering in control cables shall be according to relevant standard.
控制电缆的内护层应符合相关标准。

4.3.3.4 Filler material shall be compatible with the insulation and suitable for the operating temperature of the cable.
填充材料应与绝缘材料相容，并适用于电缆的工作温度。

4.3.4 OUTER SHEATH 外护套
4.3.4.1 The outer sheath material shall be black PVC, type ST2 as per IEC 60502-1.
外护套材料应为黑色PVC，类型为IEC 60502-1规定的ST2型。

4.3.4.2 The nominal thickness of the outer sheath shall be as per IEC 60502-1.
外护套的标称厚度应符合IEC 60502-1的规定。

4.3.4.3 Minimum thickness at any point shall not be less than value specified as per IEC 60502-1 of the nominal value.
任意一点的最小厚度不得小于IEC 60502-1规定的标称值。

4.3.4.4 Thickness in control cables shall be according to relevant standard.
控制电缆的护套厚度应符合相关标准。

4.4 CORE IDENTIFICATION 芯线识别

4.4.1 The XLPE insulation of the Four-core cable shall be colored, Red, Yellow, Blue and Black.
四芯电缆的XLPE绝缘应分别为红、黄、蓝和黑色。

4.4.2 Single core Copper cable shall be with Black XLPE insulation.
单芯铜电缆应为黑色XLPE绝缘。

4.4.3 Single core (800 mm²) Aluminum cable shall be with Dark green XLPE insulation.
800mm²单芯铝电缆应为深绿色XLPE绝缘。

4.4.4 The core insulation of control cables shall be black PVC marked with indelible clear white print numerals.
控制电缆的芯线绝缘应为黑色PVC，印有不褪色的清晰白色数字。

4.5 FABRICATION 制造要求

All cables shall be free of material and manufacturing defects, which would prevent it from meeting the requirements of this Specification.
所有电缆不得存在妨碍其满足本规范要求的材料或制造缺陷。

4.6. MARKING 标记

4.6.1 The jacket for all cables shall be marked by embossing at intervals not exceeding one meter with the following minimum information:
所有电缆的护套应每隔不超过一米进行压印标识，至少包括以下内容：

a. The manufacturer's name (in English, Arabic or trademark)
制造商名称（英文、阿文或商标）

b. Voltage designation (in English)
电压等级（英文）

c. Type of insulation, XLPE (in English)
绝缘类型，XLPE（英文）

d. Conductor size and material (in English and Arabic)
导体截面和材料（英文和阿文）

e. Year of manufacture (in English and Arabic)
制造年份（英文和阿文）

f. Cumulative length at every one meter with the highest length mark on the outer end of the cable.
每隔一米标注累计长度，最大长度标记应位于电缆外端。

4.6.2 All cables shall be marked with “Property of Saudi Electricity Company” in both Arabic and English.
所有电缆应以阿文和英文标明“Saudi Electricity Company财产”。

4.6.3 All marking/numbering shall be indelible, marking by matrix print shall not be acceptable.
所有标识/编号必须为不可擦除，不接受点阵打印方式。

5.TESTS 测试

5.1 GENERAL 一般要求

5.1.1 All cables shall be tested in accordance with the latest standards and as specified herein. Supplier shall provide all test results for review and acceptance by SEC.
所有电缆必须根据最新标准及本规范进行测试。供应商应提供全部测试结果以供SEC审查和接受。

5.1.2 The full range of Routine, Sample and Type tests specified in IEC 60502-1, clause 14, 15, 16 and 17 shall be carried out as applicable.
应根据IEC 60502-1第14、15、16和17条规定，按需开展完整范围的例行、抽样和型式试验。

5.1.3 Routine and/or special tests shall be carried out in the supplier’s factory. Type test report/certificate from SEC approved independent testing laboratory shall be submitted to SEC.
例行试验和/或特殊试验应在供应商工厂进行。型式试验报告/证书应来自SEC认可的独立实验室并提交至SEC。

5.2 ROUTINE TESTS 出厂试验

以下例行试验应在所有成品电缆上进行：

5.2.1 ELECTRICAL RESISTANCE OF CONDUCTORS
导体电阻应符合IEC 60228的规定。

5.2.2 AC VOLTAGE TEST
电缆应在以下电压下进行5分钟耐压试验：
a. 相对地 = 单芯电缆 3.5kV
b. 相间 = 多芯电缆 6kV

5.2.3 SAMPLE TESTS
导体检验应符合IEC 60228的规定。

5.2.4 Dimensional Check shall be in accordance with IEC 60502-1, clauses listed below:
尺寸检查应符合 IEC 60502-1 中下列条款的要求：

a. For insulation, clause 4.2 and table 3
绝缘层：第 4.2 条和表 3

b. For outer sheath, clause 12.3
外护套：第 12.3 条

5.2.5 Hot Set Test for XLPE insulation, as per IEC 60502, clause 15.10.
XLPE绝缘的热延伸试验应符合 IEC 60502 第 15.10 条的规定。

5.3 TYPE TESTS 型式试验

Complete test (electrical and non-electrical) shall be carried out as per the relevant IEC standards.
应按相关IEC标准进行完整的电气和非电气试验。

6.PACKING AND SHIPPING 包装与运输

In addition to the applicable items per 01-SDMS-01, packing and shipping of the cable shall conform to the following:
除遵守01-SDMS-01中的相关条款外，电缆的包装和运输还应符合以下要求：

a. The cable ends shall be sealed with a waterproof, heat shrinkable plastic or elastomeric end cap with adhesive type sealing compound. Cable ends shall be properly secured to the reel.
电缆端头应使用防水热缩塑料或弹性体端帽并带有胶状密封材料进行密封，电缆端部应牢固固定在电缆盘上。

b. The cable shall be delivered without splices, on standard sized returnable wooden reel of sturdy construction properly packed and lagged externally to prevent possible damage to the cable during transportation. Wood lagging or better material shall also be secured with steel straps to provide physical protection for the cables during transit and during customary storage and handling operations.
电缆应为无中间接头，装在坚固结构的标准尺寸可回收木盘上交付，并外部封装保护，以防运输途中受损。木质护板或更优材料应用钢带固定，以在运输、存储及搬运过程中对电缆提供机械保护。

c. The minimum diameter of the drum of the shipping reel shall not be less than the minimum bending diameter of the cable.
运输用电缆盘的鼓芯直径不得小于电缆最小弯曲半径。

d. Cables shall be supplied in lengths of 500 meters. The allowable tolerance on the specified length shall be ± 5%.
电缆应以每盘500米长度供货，长度允许公差为±5%。

6.1 REEL MARKINGS 电缆盘标识

6.1.1 GENERAL REQUIREMENTS 通用要求：

Cable reels/drums shall be marked in legible and indelible letters on aluminum plate 30×20 cm plate, giving the following particulars:
电缆盘应在30×20厘米的铝牌上以清晰且不可擦除的文字标明下列信息：

a. Cable voltage and conductor material and size
电缆电压、导体材料和截面

b. Type of cable
电缆型号

c. Length and weight of cable on reel
电缆长度和重量

d. Gross weight
毛重

e. Dimensions of reel
电缆盘尺寸

f. Manufacturer's name and country of origin
制造商名称及产地

g. SEC address and purchase order number
g. 沙特电力公司地址及采购订单号

h. Serial number of reel
h. 电缆盘序列号

i. SEC stock number in bold numerals
i. 沙特电力公司库存编号（用粗体数字表示）

j. Direction of rolling of reel
j. 电缆盘滚动方向

k. 11-SDMS-01
k. 11-SDMS-01

6.1.2 All markings shall appear on both sides of the reel.
6.1.2 所有标识应出现在电缆盘的两侧。

6.1.3 Cable reel identification shall include any additional information as required by SEC shipping instructions.
6.1.3 电缆盘标识应包含沙特电力公司运输说明中要求的任何其他信息。

7.GUARANTEE保证

The Supplier shall guarantee the cables against all defects arising out of faulty design or workmanship, or of defective material for a period of five (5) years from the date of delivery.
供应商应对电缆在交付日起五（5）年内因设计缺陷、工艺问题或材料缺陷引起的所有故障提供保证。

8.SUBMITTALS提交文件

Submittals required with the tender:
投标时需提交的文件：

a. The supplier shall complete and return one copy of the attached Data Schedule for every type of cable offered
a. 供应商应填写并返回所提供每种电缆的随附数据表一份

b. Guaranteed Ex-works delivery date
b. 保证的出厂交货日期

c. Type test certificates
c. 型式试验证书

d. Dimensional cross-sectional drawings of each cable and cable drum along with technical data and catalogues shall be submitted by the supplier to facilitate evaluation of the offer
d. 供应商应提交每种电缆及电缆盘的尺寸横截面图纸、技术数据和产品目录，以便进行报价评估

Submittals required following the award of contract:
合同授予后需提交的文件：

a. Details of manufacturing and test programs
a. 生产和试验计划的详细内容

b. Factory test reports
b. 工厂试验报告

All of the above required shall be in hard and soft copy.
以上所有文件均须提交纸质版和电子版。

9.TECHNICAL DATA SCHEDULE 技术数据表

SEC Inquiry No: _____________________
沙特电力公司询价编号：_____________________

Item No: __________________
项目编号：__________________

Table 3: Low voltage power and control cables – Design and Construction Requirements (SEC Ref: 4.0)
表3：低压电力与控制电缆 —— 设计与结构要求（沙特电力公司规范参考：4.0）

Table 4: Low voltage power and control cables – Packing and Shipping (SEC Ref: 6.0)

表4：低压电力与控制电缆 —— 包装与运输要求（SEC参考条款：6.0）

Table 5: Low voltage power and control cables – Submittals (SEC Ref: 8.0)
表 5：低压电力与控制电缆 —— 提交资料要求（SEC 条款参考：8.0）

Low voltage power and control cables
低压电力与控制电缆

SEC Inquiry No: ____________________
SEC 询价编号：____________________

Item No: __________________
项目编号：__________________

g. Additional Technical Information or Features Specified by SEC
g. SEC 规定的其他技术信息或功能

h. Additional Supplementary Data or Features Proposed by Bidder/Vendor/Supplier
h. 投标方/供应商/承包商提出的补充数据或功能

i. Other Particulars to be filled-up by the Bidder/Vendor/Supplier
i. 投标方/供应商/承包商需填写的其他事项

j. List of Deviations and Clauses to which exception is taken by the Bidder/Vendor/Supplier. (Use separate sheet, if necessary)
j. 投标方/供应商/承包商提出异议的偏差项和条款列表