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FusionStorage OBS 7.0 Hardware Installation Guide 06

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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 JG Terminal with a Power Cable

Assembling a JG 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 JG 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 14-83 shows the components of a JG terminal and a power cable.

Figure 14-83 Components of a JG terminal and a power cable

A

JG terminal

B

Heat shrink tubing

C

Cable insulation layer

D

Cable conductor

Procedure

  1. Watch the cross-sectional area of the cable conductor and strip part of the insulation layer C to expose a length L of the cable conductor D, as shown in Figure 14-84.

    • When stripping the insulation layer, do not damage the cable conductor inside.
    • If the terminal is not provided by Huawei, adjust L of the JG terminal based on site situation.
    Figure 14-84 Stripping the power cable (JG terminal)

    Table 14-54 lists recommended values for L.

    Table 14-54 Mapping between the conductor cross-sectional area and L

    Conductor Cross-Sectional Area (mm2)

    Cable Stripping Length L (mm)

    16

    13

    25

    14

    35

    16

    50

    16

  2. Insert the cable into the heat shrinking tubing B, as shown in Figure 14-85.
  3. Put the JG terminal A onto the exposed conductor, and ensure that the JG terminal contacts the insulation layer, as shown in Figure 14-85.

    Figure 14-85 Installing the heat shrink tubing and JG terminal

  4. Crimp the JG terminal tail with the cable conductor using the crimping tool, as shown in Figure 14-86.

    Figure 14-86 Crimping the JG terminal

  5. Blow the heat shrink tubing.

    1. Push the heat shrink tubing B towards the connector until covering the part where the JG terminal and cable conductor are crimped.
    2. Use the heat gun to blow the heat shrink tubing until it tightly wraps the connector, as shown in Figure 14-87.

    Turn off the heat gun if the heat shrink tubing has contacted the connector. Otherwise, the insulation layer is to be burned.

    Figure 14-87 Blowing the heat shrink tubing (JG terminal)

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Updated: 2019-07-17

Document ID: EDOC1100051333

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