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FusionStorage OBS 7.0 Hardware Installation Guide 07

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Assembling a Cord End Terminal with a Power Cable

Assembling a Cord End Terminal with a Power Cable

For PGND cables and power cables connected between cabinets and the power system, cut a proper length of cables based on site requirements and crimp cord end terminals to these cables.

Prerequisites

  • The cable jacket or insulation layer has no filth, bumps, dents, damage, or unrecoverable scratches.
  • The connector has no obvious damage, cracks, corrosion, or rust.
  • A cable of a proper length has been obtained.
  • Requisite installation tools and materials are as follows:
    • Crimping tool
    • Cable cutter
    • Gloves
    • Heat gun
    • Wire stripper
    • Handsaw

Context

Figure 14-101 shows the components of a cord end terminal and a power cable.

Figure 14-101 Components of a cord end terminal and a power cable

A

Cord end terminal

B

Cable insulation layer

C

Cable conductor

-

-

Procedure

  1. Strip the cable.

    When stripping the insulation layer, do not damage the cable conductor inside.

    Watch the cross-sectional area of the cable conductor and strip part of the insulation layer B to expose a length L1 of the cable conductor C, as shown in Figure 14-102.

    Figure 14-102 Stripping the power cable (cord end terminal)

    Table 14-49 lists recommended values for L1.

    Table 14-49 Mapping between the conductor cross-sectional area and L1

    Conductor Cross-Sectional Area (mm2)

    Cable Stripping Length L1 (mm)

    Conductor Cross-Sectional Area (mm2)

    Cable Stripping Length L1 (mm)

    1

    8

    10

    15

    1.5

    10

    16

    15

    2.5

    10

    25

    18

    4

    12

    35

    19

    6

    14

    50

    26

  2. Insert the cable conductor into the cord end terminal.

    Insert the cable conductor into the cord end terminal A and ensure that the end faces of cable conductor and cord end terminal are aligned, as shown in Figure 14-103.

    After the cable conductor is inserted into the cord end terminal, the protruding part of the conductor must be no longer than 1 mm.

    Figure 14-103 Inserting the cable conductor into the cord end terminal

  3. Crimp the terminal with the conductor.

    Determine a proper cross-sectional area and crimp the head of the cord end terminal with the cable conductor using the crimping tool, as shown in Figure 14-104.

    Figure 14-104 Crimping the cord end terminal with the cable

  4. Verify the terminal.

    Check the maximum width of the crimped terminal. The width of a tubular terminal must be smaller than that specified in Table 14-50.

    Table 14-50 Maximum width of tubular terminals

    Sectional Area of the Tubular Terminal (mm2)

    Maximum Crimping Width of the Terminal W1 (mm)

    0.25

    1

    0.5

    1

    1.0

    1.5

    1.5

    1.5

    2.5

    2.4

    4

    3.1

    6

    4

    10

    5.3

    16

    6

    25

    8.7

    35

    10

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Updated: 2020-01-03

Document ID: EDOC1100051333

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