GB/T 28542-2012Road vehicles jump-start cables (English PDF)

3.1 Rated current

The ability of start cable to transmit current under certain conditions.

3.2 Voltage drop

10mm 20mm 30mm 80 30±6 50±10 70±10 100, 150, 200, 220 35±7 55±11 75±15 350 40±8 60±12 80±16 480, 750 50±10 75±15 95±19

4.5 The bonding strength between cable and battery clip

The bonding place between cable and battery clip shall be free from stripping or damage when being exerted the following tension.

a) For the start cable with rated current no greater than 150A, exert 245N±5N tension;

b) For the start cable with rated current greater than 150A, exert 445N±20N tension.

4.6 Warning label

4.6.1 The warning label shall contain the warning language specified in A.1 of Appendix A.

4.6.2 The picture and text of warning label shall be legible and durable.

4.6.3 After withstanding 22N tension, the warning label shall not be damaged; and its picture and text shall be legible.

4.7 Voltage-drop and temperature-rise of start cable

At 23°C±5°C ambient temperature, the start cable is passed by rated current for 15s, the voltage-drop generated on the start cable shall conform to the provisions of Table 1; during and after the power-on, the temperature-rise on the back of battery clip handle and folder shall not exceed 45K, it shall not damage the mechanical structure and electrical structure of start cable components.

5.1 Test conditions and specimen requirements

Unless otherwise is specified, all tests shall be performed at the ambient temperature of 23°C±5°C.

Unless otherwise is specified, all specimens shall be taken from the new or non-tested damaged cables.

Unless otherwise is specified, before test, the specimen shall be placed at the ambient temperature of 23°C±5°C, and stand for no less than 1h.

5.2 Start cable polarity test

Check the start cable polarity by visual observation or other suitable methods.

5.3 Cable test

5.3.1 The conductor cross-sectional area test can refer to the provisions of 5.4 in GB/T 4909.2-2009.

5.3.2 The cable outer diameter and cable insulation layer thickness test can refer to the provisions of 5.1.1-5.1.3 and 5.2.1-5.2.3 in GB/T 25085-2010.

5.3.3 The high-temperature pressure test of cable insulation layer can refer to the provisions of 7.1 in GB/T 25085-2010, thereof the oven temperature shall be set at 70°C±2°C.

5.3.4 The low-temperature winding test of cable insulation layer can refer to the provisions of 8.1 in GB/T 25085-2010, thereof freezer temperature shall be set at - 25°C±2°C (for common temperature type) or -40°C±2°C (for extra-low temperature type).

5.3.5 The high-temperature-resisting short-term aging test of cable insulation layer can refer to the provisions of 10.2 in GB/T 25085-2010, thereof the oven temperature shall be set at 110°C±2°C, the aging test time is set for 168h.

5.3.6 The gasoline, diesel, and machine oil resisting test of cable insulation layer can refer to the provisions of 11.2 in GB/T 25085-2010.

5.3.7 The self-sustaining combustion test of cable insulation layer can refer to the provisions of Chapter 12 in GB/T 25085-2010.

5.4 Battery clip test

5.4.1 Battery clip extension force and holding force test

Take the battery clip as the specimen, do the following tests in Item a)~d) as shown in Figure 2.

6.1 Inspection classification

The inspection can be divided into type inspection and exit-factory inspection.

6.2 Type Inspection

6.2.1 The type inspection shall be carried out in any one of the following cases. specified by the manufacturer in the product technical document, or negotiated by the purchaser or supplier. The exit-factory inspection items shall at least contain all items listed in the column of "exit-factory inspection" in Table 4. […]

7.1 Package

7.1.1 Each set of sta