Type 730 BS 6708 3800/6600 V Screened Trailing Cable

Type 730 for large-machine trailing power supply

Type 730 mining cable is specified in the supplied BS 6708 datasheet for large-machine trailing power supply. This page keeps the source-listed voltage, test reference, core functions and dimensional tables together so a procurement engineer can compare the requested model against the cable marking and the equipment connection. The editorial focus is the non-armoured screened 6.6 kV trailing route, not a generic promise of performance.

The supplied construction uses three individually screened EPR-insulated cores laid up around a bare copper earth core where fitted, with rubber bedding and a heavy-duty chloroprene outer sheath. That arrangement matters because Type 730 is non-armoured in the supplied construction; larger sizes include a central bare earth core. The family should therefore be selected by model, core function and installation route as well as by voltage. The mining and tunnelling cable range provides the wider TEBAOFLEX product context.

• Choose by: confirm whether the machine route requires the non-armoured Type 730 construction or the armoured Type 621/630/631 alternatives.
• Confirm before ordering: existing sheath marking, conductor area, cable length, route, support or handling system, terminations and the required inspection documents.
• Do not infer: values not listed in the supplied PDF, such as a different current basis, water/oil/UV performance, certification scope or mechanical interchangeability.

Before changing a high-voltage trailing cable model, consult the BS 6708 mining cable replacement guide and confirm whether the required screen and armour arrangement remains the same.

For a technical quotation, send the equipment nameplate or existing cable marking, voltage and size requirement, installation conditions, quantity, destination and any project-specific test or documentation requirement.

Type 730 construction

The cross-section below is the supplied construction drawing for Type 730. The ordering decision is driven by Type 730 is non-armoured in the supplied construction; larger sizes include a central bare earth core.

Source-listed construction

Do not use the drawing as a substitute for the dimensional tables. Confirm the cable end preparation, screen and earth termination, armour bonding and machine interface with the equipment documentation before installation.

Type 730 applications

The supplied datasheet identifies this cable for large-machine trailing power supply. Google result patterns for the BS 6708 family also separate cables by equipment duty, voltage class, core function and whether the route is armoured, screened, flat or auxiliary. That is why this page keeps the Type 730 construction separate from nearby Type numbers.

• Primary duty: large-machine trailing power supply.
• Model boundary: Type 730 is non-armoured in the supplied construction; larger sizes include a central bare earth core.
• Project check: match the cable marking, core map, voltage, termination, route geometry and handling method to the machine drawing.
• Environmental review: confirm the actual mine/quarry conditions and any authority, inspection or documentation requirements; do not infer a certification or material-resistance claim from the model number.

Where the design instead requires the Type 621 armoured arrangement, use the Type 621 mining cable page as a structured comparison, not as a direct replacement instruction.

The cable should be released only after the equipment route, required length, conductor area, core functions and connection details are agreed. If the intended duty is different from the source-listed application, request an engineering review through the quotation process.

Type 730 specifications

The summary below identifies the supplied model family. The source-transcribed tables that follow retain the PDF's dimensional, electrical and construction values, including available sizes, resistance, current, diameter, mass, bending or pulling data when the PDF provides them.

Complete source-transcribed technical tables

Source PDF: BS6708_TYPE_730_3800_6600V_TRAILING_CABLE_datasheet.pdf; 3 pages; 4 extracted tables. Values are not recalculated or replaced by third-party values.

Use the table values with the equipment drawing and approved termination plan. If the requested conductor area, current basis, mechanical limit or environmental condition is not listed in the supplied PDF, treat it as a quotation-stage confirmation item.

Type 730 standards and references

The product page preserves the BS 6708 reference appearing in the supplied PDF. The BSI record currently identifies BS 6708:1998 as withdrawn on 22 May 2026; this status note is a standards-reference update, not a claim that the product is currently certified or approved. See the official BSI BS 6708 scope record for the published status.

For an RFQ, state the required standard documents, inspection scope, test report, cable marking, destination rules and any replacement-equivalence requirement. The model number alone does not establish legal installation compliance.