Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 3048.7-2007 English PDF

Q: How long will the true-PDF of English version of GB/T 3048.7-2007 be delivered?

Upon your order, we will start to translate GB/T 3048.7-2007_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Q: Can I share the purchased PDF of GB/T 3048.7-2007_English with my colleagues?

Yes. The purchased PDF of GB/T 3048.7-2007_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

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). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

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.

Q: Should I purchase the latest version GB/T 3048.7-2007?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3048.7-2007 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$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 3048.7-2007: Test methods for electrical properties of electric cables and wires -- Part 7: Tracking resistance test
Status: Valid

GB/T 3048.7: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3048.7-2007	209	Add to Cart	3 days	Test methods for electrical properties of electric cables and wires -- Part 7: Tracking resistance test	Valid
GB/T 3048.7-1994	199	Add to Cart	2 days	Test methods for determining electrical properties of electric cables and wires. Tracking resistance test	Obsolete
GB 3048.7-1983	199	Add to Cart	2 days	Electric wires and cables--Tracking resistance test method	Obsolete

Similar standards

GB/T 3048.4 GB/T 3048.14 GB/T 3048.9 GB/T 9330 GB/T 5441 GB/T 4011

Basic data

Standard ID: GB/T 3048.7-2007 (GB/T3048.7-2007)
Description (Translated English): Test methods for electrical properties of electric cables and wires -- Part 7: Tracking resistance test
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K13
Classification of International Standard: 29.060
Word Count Estimation: 8,862
Date of Issue: 2007-12-03
Date of Implementation: 2008-05-01
Older Standard (superseded by this standard): GB/T 3048.7-1994
Quoted Standard: GB/T 3048.1
Regulation (derived from): Announcement of Newly Approved National Standards No. 12 of 2007 (total 112)
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 proof tracking test terminology and definitions, test equipment, Specimen preparation, test procedures, test results and evaluation and test records. This test method is suitable for testing wires and cables tolerated in filthy conditions due to surface leakage caused by electrical traces and damage capabilities. Not according to the provisions of Part filthy conditions the results can not be obtained with the method according to the test results compared. This part should GB/T 3048. 1 together.

GB/T 3048.7-2007: Test methods for electrical properties of electric cables and wires -- Part 7: Tracking resistance test

---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.
Test methods for electrical properties of electric cables and wires. Part 7. Tracking resistance test ICS 29.060 K13 National Standards of People's Republic of China Replacing GB/T 3048.7-1994 Electrical properties of wire and cable test methods Part 7. Electrical tracking test 2007-12-03 released 2008-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 test equipment 1 5 Sample Preparation 2 6 Test Procedure 2 7 test results and assessment 2 8 Test Record 2

Foreword

GB/T 3048 "wire and cable electrical performance test method" is divided into 14 parts. --- Part 1. General; --- Part 2. Resistivity test of metallic materials; --- Part 3. semi-conductive rubber material volume resistivity test; --- Part 4. DC resistance test conductor; --- Part 5. Insulation resistance test; --- Part 7. Resistance to tracking test; --- Part 8. AC voltage test; --- Part 9. Insulated wire core spark test; --- Part 10. Extrusion sheath spark test; --- Part 11. Dielectric loss tangent test; --- Part 12. Partial discharge test; --- Part 13. Impulse voltage test; --- Part 14. DC voltage test; --- Part 16. Surface resistance test. This section GB/T 3048 Part 7. This Part replaces GB/T 3048.7-1994 "wire and cable electrical performance test method of tracking test." This revision follows GB/T 1.1-2000 "Standardization Guide Part 1. Standard Structure and Writing Rules" This section has been adjusted. This section compared with GB/T 3048.7-1994 main changes are as follows. --- Standard English name changed to "Testmethodsforelectricalpropertiesofelectriccablesandwires- Part 7. Trackingresistancetest "; --- The overall structure and layout of this section has been modified according to GB/T 1.1-2000. 1) Chapter 1 is "Scope" (Chapter 1 of the.1994 edition; Chapter 1 of this edition); 2) Chapter 2 is "Normative references" (Chapter 2 of the.1994 edition; Chapter 2 of this edition); 3) Chapter 3 is "Terms and definitions" (1994 edition no; Chapter 3 of this edition); 4) Chapter 4 is "Test Equipment" (Chapter 3 of the.1994 edition; Chapter 4 of this edition); 5) Chapter 5, "Specimen Preparation" (Chapter 4 of the.1994 edition; Chapter 5 of this edition); 6) Chapter 6, "Test Procedures" (Chapter 5 of the.1994 edition; Chapter 6 of this edition); 7) Chapter 7 is "Test Results and Assessment" (Chapter 6 of the.1994 edition; Chapter 7 of this edition); 8) Chapter 8, "Test Records" (1994 edition no; Chapter 8 of this edition); --- Added Chapter 3 "Terms and definitions" (1994 edition no; Chapter 3 of this edition); --- In Chapter 4 "Test Equipment" made the following changes. 1) Increase the requirement for rapid protection of the test equipment by removing the protective resistor (1994 version 3.1, Figure 1; version 4.2.1, Figure 1); 2) Added requirements for voltage measuring devices (none in.1994; 4.2.2 in this edition); 3) Supplementing the requirements for the conductivity deviation of the test liquids (3.3 of.1994; 4.4 of this edition); --- In Chapter 5, "Sample Preparation" to supplement the commonly used preparation methods (1994 version 4.3; version 5.3); --- In Chapter 6, "Test Procedure" made the following changes. 1) Added Spray Speed (5.2 in.1994; 6.2 in this edition); 2) Incorporate the spray cycle integration into this chapter (6.2 in.1994; 6.2 in this edition); --- Added Chapter 8, "Test Record", specifies the test record should be recorded in the specific content (1994 edition no; Chapter 8 of this edition). This part is proposed by China Electrical Equipment Industry Association. This part of the national wire and cable standardization Technical Committee. This section is drafted. Shanghai Electric Cable Research Institute. The main drafters of this section. Wan Shuter, aftershocks, Xia Kai Rong, Zhu Zhongzhu, gold standard. This part of the standard replaces the previous editions are. GB 3048.7-1983, GB/T 3048.7-1994. Electrical properties of wire and cable test methods Part 7. Electrical tracking test

1 Scope

GB/T 3048 provisions of this section resistance test terms and definitions, test equipment, sample preparation, test procedures, test results And assessment and test records. This test method is suitable for testing the ability of wire and cable to withstand damage caused by surface tracking of electric traces under filthy conditions. Not in accordance with the provisions of the provisions of the results of contamination conditions, can not be compared with the test results obtained by this test method. This section should be used together with GB/T 3048.1.

2 Normative references

The following documents contain provisions that, through the reference in this part of GB/T 3048, become the provisions of this section. Any reference to the date of the document, its All subsequent amendments (not including errata content) or revisions do not apply to this section, however, to encourage the parties to reach an agreement under this section Study whether the latest versions of these files are available. For undated references, the latest version applies to this section. GB/T 3048.1 wire and cable electrical performance test methods - Part 1. General

3 Terms and definitions

The following terms and definitions apply to this part of GB/T 3048. 3.1 In the provisions of the test conditions, the solid insulating material in the electric field and the combined effect of the electrolyte, the surface of the conductive path formed gradually called leakage traces. 3.2 The process of forming traces of leakage is called tracking.

4 test equipment

4.1 test system The principle of the test system shown in Figure 1. 1 --- sample 2 --- test transformer; 3 --- current measuring instruments. Figure 1 test system schematic ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 3048.7-2007_English be delivered?

Answer: Upon your order, we will start to translate GB/T 3048.7-2007_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 3048.7-2007_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 3048.7-2007_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 3048.7-2007?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3048.7-2007 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.