GB 13140.5-2008Connecting devices for low-voltage circuits for household and similar purposes -- Part 2: Particular requirements for twist-on connecting devices (English PDF)

Foreword

GB 13140 all the technical content of this section is mandatory.

GB 13140 "Connecting devices for low voltage circuits for household and similar purposes with" divided into two parts.

Part 1. General requirements (GB 13140.1) Part 2. Particular requirements (GB 13140.2 ~ 13140.5)

--- Special requirements as an independent unit with screw-type clamping units for connecting devices

--- As a standalone unit with screwless-type clamping units - Particular requirements for connecting devices

--- As a standalone unit with insulation piercing connection device type clamping units - Particular requirements

--- Particular requirements for twist-on connecting devices this section GB 13140 Part 2 "Particular requirements for twist-on connecting devices" section, number GB 13140.5.

This part of the standard should be used in conjunction with the GB 13140.1.

This section identical with IEC 60998-2-4:2004 "Connecting devices for low voltage circuits for household and similar purposes with Part 2. twist-on Particular requirements for connecting devices. " this Part replaces GB 13140.5-1998 "Part 2 Connecting devices for low voltage circuits for household and similar purposes use. twist-on connector Special requirements "of the device. The main changes in this part of GB 13140.5-1998 follows.

1) In the second chapter in the reference standard delete references standard GB 17464-1998.

2) increased 101 Table title.

3) In Chapter 7 categories, to "GB 13140.1-2008 addition to the chapter 7.5, the rest does not apply."

4) In the ninth chapter, read "GB 13140.1-2008 second paragraph of the chapter with the following alternative."

5) In Chapter 13, the voltage value is calculated to "Ut = 4Ui + 1000 (V)".

6) table 102, table 103, table 104 adding headings.

Heading 7) Chapter 17 to "clearances and creepage distances." Content changes accordingly.

8) Chapter 20 of the additions.

9) Legend numbers are subject to change, for example. original 104 to 101.

10) increase in Appendix AA.

11) increased by reference.

12) In this section where there is no chapter GB 13140.1, and bar. Numbered starting from 101.

This section is informative Appendix Appendix AA.

This part is proposed by the China Electrical Equipment Industrial Association.

This part of the National Electric annex Standardization Technical Committee (SAC/TC67) centralized.

This section drafted by. China Electric Apparatus Research Institute, Zhejiang Yuehua Telecommunication Co., Ltd., Nanhai Exit Inspection and Quarantine, Guangzhou CVC Detection Limited.

1 Scope

GB 13140.1-2008 The chapter replaced by the following.

GB 13140 This part is suitable for connecting a hard and/or soft copper wire two or more untreated twist-on connecting devices (abbreviated as TOCD, the same below), then the wire should meet the requirements of GB 3956-1997, conductor cross-section from 0.5mm2 ~ 16mm2 (including 16mm2), the cross-sectional area and no more than 35mm2.

TOCD in this section applies to household and similar purposes, the voltage does not exceed 1000V (a.c.) And 1500V (d.c.) Low pressure Circuit.

This section TOCD designed primarily operated by hand, but some TOCD, for example, connecting a large cable cross-sectional area of TOCD, can be Require the use of special tools.

NOTE. In the UK, TOCD of two joints or some unequipped flexible cables, including 1.25mm2 can cross cord cable must comply with the appropriate BS6500; in American Wire and Cable does not currently comply with IEC 60228.1)

1) This note gives only foreign-related information.

2 Normative references

The following documents contain provisions which, through reference in this Part of GB 13140, constitute provisions of this part. 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 13140.1-2008 applicable.

3 Terms and Definitions

GB 13140.1-2008 make changes after this chapter the following apply.

increase.

3.101

Twist the wire ends in two or more terminals.

3.102

Minimum cross-section can be safely connected to a pair of wires of the same size and single line specified by the manufacturer with the largest cross-section range (in mm2 or AWG representation). This does not prohibit the use of TOCD connecting two or more wires or connection cross-section outside the scope beyond the connection capacity wire.

3.103

TOCD into the line hole diameter maximum size (see Figure 101).

4 General requirements

GB 13140.1-2008 applicable.

GB 13140.5-2008/IEC 60998-2-4:2004

5 General description of the test

GB 13140.1-2008 this chapter to make changes after the following apply.

5.4 Replacement.

The new test specimen and the cluster approach required by the provisions of the table 101.

Each sample was tested in the order specified.

Table 101 new sample group and the number of test sequence

Number reg Test sequence Test new set of samples in each group A 3 Mark Protection against electric shock B 3 ~ 48 14.102 and 14.103 Wire connection Torque and tensile testing C 12 or 24 Anti-aging and moisture Insulation resistance and electric strength D 6 14.101 extent of the damage wire E 6 14.101.1 reduce the number of wires after clamping F 3 14.2 mechanical strength (drum) G 6 15.101 temperature

6 H, or 12 15.102.1 cyclical temperature tests

I 3 15.102.2 short-time withstand current test K 3 Heat Resistance to abnormal heat and flame If the number of 101 samples less than the specified number of tables, B and C items can be combined together to do, but should be tested in Chapter 13.

6 Key Features

GB 13140.1-2008 this chapter to make changes after the following apply.

increase.

Rated insulation voltage is preferably 6.101 to increase value. 300V and 600V.

Category 7

In addition to the 7.5 GB 13140.1-2008 chapter, the rest does not apply.

increase.

7.101 by type and classification combined conductor

--- Hard connection (solid or stranded) conductors TOCD;

--- Joint flexible wire TOCD;

--- Hard connection (solid or stranded) conductors and flexible combination of TOCD.

8 Flag

GB 13140.1-2008 this chapter to make changes after the following apply.

8.1 Replacement.

GB 13140.5-2008/IEC 60998-2-4:2004 each TOCD shall have the following signs.

1) On TOCD shall be marked with the following signs.

a) the name of the manufacturer or dealer, trade mark or identification mark;

b) model or catalog number;

c) TOCD connection capacity range;

d) rated insulation voltage.

NOTE. In the United States, not mandatory to mark the rated insulation voltage on TOCD. 2) E.g.

A design for connecting at least two wires TOCD, if two wires cross-sectional area of 2.5mm2 ~ 6mm2 (including Within 6mm2) range, shall be shown on TOCD 2.5mm2 ~ 6mm2.

The slightest TOCD, if there is not enough surface marked all the flags, you can simply mark a) and b).

2) In addition, on the smallest packaging unit or instructions or information in the smallest packaging unit, the mark shall be marked as follows.

a) the manufacturer or the dealer's name, trademark or identification mark;

b) model or catalog number;

c) Permitted cable connection in combination with TOCD capacity range (mm2 or AWG Wire Gauge 3));

d) TOCD applies wire type;

e) If the maximum ambient temperature is higher than 40 °C, shall be marked with the maximum ambient temperature (see GB 13140.1-2008 7.5);

f) rated insulation voltage;

g) Insulation stripping length;

h) If necessary, the connection method, including the proper use of tools.

8.2 Not applicable.

8.3 The third line should read.

Shape or form TOCD mm2 connecting capacity range.

NOTE. If using AWG gauge number indicates that the connection capacity range TOCD can be marked only numbers. 4)

2) 4) of this note is given only to foreign-related information.

3) no domestic adoption of such standards.

9 Protection against electric shock

GB 13140.1-2008 this chapter to make changes after the following apply.

The second paragraph replaced by the following.

TOCD connection should be connected to its capacity range minimum cross-sectional area of the two leads.

10 Wire connection

GB 13140.1-2008 this chapter to make changes after the following apply.

increase.

Hard few roots and section 10.101 TOCD should be able to connect specified by the manufacturer (single or multi-strand) and/or soft wire.

10.102 simply bunched wires inserted TOCD twist again, properly connected to the wires.

By hand or by the manufacturer of the provisions of the combined conductor is connected to the requirements of 14.101 TOCD, by observing verify compliance 10.101 and 10.102 requirements. To wire inserted TOCD, may be swept up a bunch of wires to be connected, but not pre-wringing.

If in doubt, can be applied to test the torque required 14.103. Use the new conductor and the sample under any circumstances. This test can be used with Test carried out in conjunction 14.101.

If removed from the wire at 10.103 TOCD alone will pull the wire should not be removed, but should use other operations to remove the wire.

GB 13140.5-2008/IEC 60998-2-4:2004 14.101 and 14.102 through the test of eligibility.

11 Structure

GB 13140.1-2008 this chapter to make changes after the following apply.

11.2 - 11.5 Not applicable.

11.6 Addition.

Although TOCD in metal parts is not necessarily the current-carrying parts, nothing in this section should be treated as live parts.

increase.

11.101 TOCD shape of the hole should be able to ensure that after the completion of the connection wires, TOCD sufficient length of insulated wire insulation material Completely covered, to ensure reliable external insulation.

Compliance is checked by Chapter 13 of the trial test.

11.102 even during the disconnection, the insulating member should not be separated from the live parts or accidentally end of the wire.

By hand and 14 chapters verify eligibility.

12 Anti-aging, moisture, water and solid foreign objects into the harmful

GB 13140.1-2008 this chapter to make changes after the following apply.

12.1 Addition.

Note 1 behind the increase in the following test specification.

Tested with 12 samples, of which six the number of connections up to the smallest cross-section of wire, and the other six the number of connections up to the thickest cross-section wire. Conductors 14.103 predetermined torque in a predetermined manner to connect.

The test also should not be connected to the wire 12 samples were with another group.

12.2 Addition.

Which increased after the second paragraph the following test specification.

Using the same samples tested 12.1.

Also use the 12 ceramic insulating material or thermosetting material sample of this test.

Which replace the fourth paragraph with the following.

The TOCD placed in the humidity chamber (box) storing 48h.

Note 2 increase in that section after the following test specification.

After the wet treatment, while the sample is still in a humid chamber (box), unconnected wires 12.1 aging test during 12 samples and ceramics or thermosetting material 12 TOCD connection with the wire, where the six samples up to the number of connections and the smallest cross section of the wire, and the other six samples the maximum number of connections and the cross section of the root thick wire.

12.3 does not apply.

13 Insulation resistance and electric strength

GB 13140.1-2008 this chapter with the following alternatives.

13.1 TOCD apply sufficient insulation resistance and dielectric strength.

Compliance is checked by inspection and test samples 13.2, 13.3 and 13.4. After aging test is the test of 12.1 and just had Wet test specimens were 12.2 on the test, the sample should remain in a humid chamber (box) or within the sample reaches a predetermined temperature in the room.

13.2 Insulation resistance test under consideration.

13.3 Each sample will be buried in a diameter of 1.0mm ~ 1.5mm pile of lead balls, or wrapped in metal foil or a metal foil with lead balls as electrode. TOCD should be placed inside the outer electrode to edge up, so that all are buried in the insulating material in the outer electrode. Note, however, may not be metal GB 13140.5-2008/IEC 60998-2-4:2004 Foil pressed into the inner TOCD.

1min AC test voltage is applied between the conductor and the outer electrode. A voltage value by the following formula.

Ut = 4Ui + 1000 (V)

Where.

Ut --- test voltage;

Rated insulation voltage Ui ---.

During the tests, TOCD should insulation breakdown. It does not cause a voltage drop of the glow discharge is negligible.

13.4 with aging tests done without contact wires 12 samples do the following test.

1min power immediately after the test voltage between the conductor and the outer electrode is applied, and then rose to the highest voltage in the 3s. The voltage value Obtained by the following formula.

Ut = 4Ui + 1000 (V)

Umax = 10Ui + 1000 (V) where.

Ut --- test voltage (1min);

Rated insulation voltage Ui ---;

Umax --- maximum voltage.

Test, not flashover occurs between the conductor and the outer electrode.

These tests are also used to verify compliance with the requirements of Chapter 12 and Chapter 17.

14 Mechanical strength

GB 13140.1-2008 this chapter to make changes after the following apply.

14.1 second paragraph should read.

TOCD ceramic or thermosetting material by test test 14.2 is qualified.

NOTE. TOCD thermoplastic material due to its material and structure, without the test can be considered acceptable.

14.3 does not apply.

increase.

Design and construction 14.101 TOCD should clamp both wires, without excessive damage to the conductor.

By the following test to verify eligibility.

By simultaneously gripping the number of least-sectional finest conductors of the three new samples were tested, according to the torque applied to the requirements of 14.103. In addition, Three samples simultaneously with the number of the most gripping and most thick wire cross section of the test.

Wire length should be less than 102 table and Figure 104 a predetermined height (H) long 75mm.

Each of the wires should be tested as follows.

One end of a wire passed through a appropriately sized cannula, the sleeve on the test apparatus below a certain height (H) of the plates, H Values given in Table 102. Casing in a horizontal plane, so that it can make the center line with a diameter of 75mm concentric clamping member concentric Circular fastening plate in the horizontal plane at a rate of (10 ± 2) r/min rotation.

Distance TOCD mouth with the upper surface of the sleeve between the range of 15mm height shall be given in the table 102, the sleeve may be lubricated Agent to prevent the insulated wire knotting, twisting or rotating the table 102 under the weight hanging on the end of the wire, test duration 15min, flat the direction of rotation should loosen TOCD opposite direction.

During the test, the wire should neither TOCD off, should not be broken in the vicinity of TOCD.

After removing the wire from TOCD, its end should not affect the continued use of the damage.

GB 13140.5-2008/IEC 60998-2-4:2004

102 Table height and weight casing quality relationship between the wire cross-sectional area, Conductor cross section /mm2 Sleeve aperture a /mm Casing height Hb /mm and lead weights corresponding to the quality /kg 0.5 0.75 6.5 6.5 0.3 0.4 1.0 1.5 6.5 6.5 0.4 0.4 2.5 4.0 9.5 9.5 0.7 0.9 6.0 10.0 9.5 9.5 1.4 2.0 300 16.0 13.0 2.9

NOTE. In the UK, following the application area of 1.25mm2 additional line. 1.256.52600.4.5) If a sleeve aperture is not big enough, and 10.0mm2 to 1.5mm2 wire wringing can be inserted into the sleeve, it could be replaced by freshman aperture size casing.

H b is the height deviation ± 15mm.

With 14.103 predetermined maximum torque will be the number of the smallest cross section of single-core wires to the three new TOCD, then remove TOCD,

Table 103 regulations to remove one or two wires from each TOCD, and then connecting these TOCD remaining wire, and with

Provisions tightening torque of 14.103, followed by those TOCD do tensile test of 14.103.

Removed from the table 103 the number of conductors the number of conductor wire of the finest solid cross-section up to the number of detached 3 to 7 (including 7 included) 1 and more than 2 8 8

5) The note gives only foreign-related information.

14.102 according to the manufacturer's instructions or signs, following the combination, the three new TOCD connect new hardware (solid or stranded) or flexible guide Wire, each wire in combination with a new sample.

Test A ~ J with a hard wire.

A --- the number of the most minimal of thin wire.

Up B --- the number of the thickest wire.

C --- the number of the most minimal of thin wires and the number of the most minimal of thick wire.

D --- the number of the most minimal fine solid wire and the number of the most minimal crude solid conductors.

Up E --- the number of the finest solid conductors.

Up F --- the number of the finest conductors.

G --- the number of the most minimal of thick wire.

H --- the number of the most minimal of thick wire, and the wire diameter equal.

I --- the number of the most minimal fine solid wire, and the wire diameter equal.

J --- consists of a combination of the thickest wire and a wire made of the finest.

Test K ~ P soft (and hard) wire.

K --- the number of the most minimal soft wire.

L --- up to the number of the thickest soft wire.

GB 13140.5-2008/IEC 6099...