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GB/T 12970.3-2009 English PDF

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Q: Should I purchase the latest version GB/T 12970.3-2009?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12970.3-2009 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$149.00 · In stock
Delivery: <= 2 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 12970.3-2009: Flexible copper stranded conductors for electrical purposes -- Part 3: Flexible copper wire for antenna
Status: Valid

GB/T 12970.3: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12970.3-2009	149	Add to Cart	2 days	Flexible copper stranded conductors for electrical purposes -- Part 3: Flexible copper wire for antenna	Valid
GB/T 12970.3-1991	199	Add to Cart	2 days	Flexible copper stranded conductors for electrical purposes--Part 3: Flexible copper wire for antenna	Obsolete

Similar standards

GB/T 4910 GB/T 5585.1 GB/T 5585.2 GB/T 12971.1 GB/T 12970.4 GB/T 12970.1

Basic data

Standard ID: GB/T 12970.3-2009 (GB/T12970.3-2009)
Description (Translated English): Flexible copper stranded conductors for electrical purposes -- Part 3: Flexible copper wire for antenna
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K11
Classification of International Standard: 29.060.10
Word Count Estimation: 5,540
Date of Issue: 2009-03-19
Date of Implementation: 2009-12-01
Older Standard (superseded by this standard): GB/T 12970.3-1991
Quoted Standard: GB/T 3048.4-2007; GB/T 4909.2-2009; GB/T 4909.3-2009; GB/T 12970.1-2009
Regulation (derived from): Announcement of Newly Approved National Standards No. 3, 2009 (No. 143 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the soft copper antenna model specifications, technical requirements and testing. This section applies to communications overhead antenna. This part should GB/T 12970. 1-2009 together.

GB/T 12970.3-2009: Flexible copper stranded conductors for electrical purposes -- Part 3: Flexible copper wire for antenna

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Flexible copper stranded conductors for electrical purposes Part 3. Flexible copper wire for antenna ICS 29.060.10 K11 National Standards of People's Republic of China Replacing GB/T 12970.3-1991 Electrical soft copper wire Part 3. Flexible copper antenna Posted 2009-03-19 2009-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 12970 "Electrical soft copper stranded" is divided into four parts. --- Part 1. General requirements; --- Part 2. soft copper wire; --- Part 3. Flexible copper antenna; --- Part 4. Copper wire brush. This section GB/T 12970 Part 3. This Part replaces GB/T 12970.3-1991 "soft copper stranded Electrical Part 3. Soft copper wire." This section compared with the GB/T 12970.3-1991 The main changes are as follows. --- Increasing the test surface quality inspection requirements (5 edition). This part is proposed by the China Electrical Equipment Industrial Association. This part of the National Standardization Technical Committee Wire and Cable (SAC/TC213) centralized. This part of the unit responsible for drafting. Shanghai Electric Cable Research Institute. Participated in the drafting of this section. Shenzhen, China Cable Co., Ltd., Shanghai copper metal braid copper plant Jiang Su Jiangrun Copper Co. the company. The main drafters of this section. Liu Bin, party Peng, Zhang Peng, Chenya Fu, Liu Liming. This part of the standard replaces the previous editions are. --- GB/T 12970.3-1991. Electrical soft copper wire Part 3. Flexible copper antenna

1 Scope

GB/T 12970 provisions of this part of the soft copper antenna model specifications, technical requirements and testing. This section applies to communications overhead antenna. This section should be used in conjunction with the GB/T 12970.1-2009.

2 Normative references

The following documents contain provisions which, through reference GB/T 12970 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 3048.4-2007 electrical wire and cable performance test methods - Part 4. Conductor DC resistance test GB/T 4909.2-2009 Test methods for bare wires - Part 2. Measure GB/T 4909.3-2009 Test methods for bare wires - Part 3. Tensile Test GB/T 12970.1-2009 Electrical soft copper wire - Part 1. General requirements

3 models and specifications

Soft copper antenna model TTR, soft copper antenna as shown in Table 1. Table 1 soft copper antenna specifications model Nominal cross-sectional area mm2 TTR 1.0 ~ 25 4. Technical Requirements 4.1 Structure Soft copper antenna structure shall be in accordance with Table 2. Table 2 soft copper antenna structure Nominal cross-sectional area mm2 Calculated cross-sectional area mm2 structure The number of shares ×/singlet nominal diameter mm Calculation of outer diameter mm Calculated mass kg/km 1.0 0.958 7 × 7/0.16 1.44 9.0 1.6 1.54 7 × 7/0.20 1.80 14.1 2.5 2.41 7 × 7/0.25 2.25 22.1 4.0 3.94 7 × 7/0.32 2.88 36.1 6.3 6.16 7 × 7/0.40 3.60 56.4 10 10.01 7 × 7/0.51 4.59 91.7 16 16.26 7 × 7/0.65 5.85 149 25 24.63 7 × 7/0.80 7.20 226 ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 12970.3-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 12970.3-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 2 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 12970.3-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 12970.3-2009_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 12970.3-2009?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12970.3-2009 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.