WDZ-BYJ LSZH Flame-Retardant Single Core Wire 450/750V and 0.6/1kV

WDZ-BYJ is a low-smoke halogen-free (LSZH) flame-retardant single-core copper wire with XLPE insulation, suitable for fixed installations. It is ideal for building wiring in conduits, cable trays, and distribution panels where low-smoke halogen-free (LSZH) and flame-retardant requirements are necessary.

If your project requires safer indoor wiring with low-smoke halogen-free performance and reliable XLPE insulation, WDZ-BYJ is the ideal choice.

WDZ-BYJ is a single-core copper building wire designed for fixed installations in indoor electrical systems. It typically uses stranded or solid copper conductors and is insulated with XLPE, meeting low-smoke halogen-free (LSZH) and flame-retardant performance requirements. WDZ indicates an LSZH-focused material system, while "B" is often used to indicate the flame-retardant rating specified in many procurement documents. Compared to standard PVC insulated building wiring, WDZ-BYJ wiring is specified for use in public buildings and projects with high compliance requirements to reduce the release of smoke and corrosive gases in fires, thus contributing to safer evacuation and reducing the risk of secondary corrosion.

• 450/750V for general indoor wiring
• 0.6/1kV for high-load feeders and distribution wiring

Please ensure you select a voltage rating that complies with project specifications and local regulations.

• Indoor wiring in residential and commercial buildings
• Conduit and trunking wiring for lighting, outlets, and branch circuits
• Internal wiring in distribution panels, switch cabinets, and panels
• Fire-resistant areas and public areas requiring Low Smoke Halogen-Free (LSZH) wiring
• Hospitals, subways, airports, schools, shopping malls, hotels, and high-traffic locations
• Densely wired control cabinets and equipment rooms

• Conductor: Copper (solid or stranded, depending on the project)
• Insulation: Cross-linked polyethylene (XLPE), low smoke halogen-free flame-retardant formula
• Sheath: None (single-core insulated wire)
• Armor: None
• Installation Method: Fixed installation in conduits, cable trays, and distribution panels

• Copper Conductor Preparation

Copper is drawn and optionally stranded to meet resistance targets and support bending during actual installation.

• XLPE/Low Smoke Halogen-Free Insulation Extrusion and Cross-linking

The insulation layer is extruded and cross-linked to form a stable dielectric layer that meets the performance targets of low smoke halogen-free and flame-retardant materials.

• Surface Finish and Marking

The insulation surface is treated for smooth threading in conduits and clearly marked for easy identification and traceability.

• Routine Inspections

Typical inspections include conductor resistance, insulation thickness control, spark testing, voltage testing (if applicable), and dimensional inspection.

• 1.5 and 2.5 mm² for lighting and outlets (depending on the project)
• 4 and 6 mm² for high-load circuits and small feeders
• 10 to 35 mm² for distribution feeders and distribution panel power supply cabling
• 50 mm² and above for high-current feeders (depending on the project)

1. If your Bill of Quantities (BOQ) requires LSZH flame retardant wire for indoor building wiring, select WDZ-BYJ.
2. Confirm the required voltage rating (450/750 V or 0.6/1 kV).
3. Select the cross-section based on load current, line length, grouping method, ambient temperature, and permissible voltage drop.
4. Confirm the conduit wiring installation method and pull requirements.
5. If flexibility is required, specify the conductor class and stranding requirements.

• Product: WDZ-BYJ
• Voltage Rating: __
• Required Standard: __
• Conductor Type: Solid/Stranded __
• Cross-section and Quantity: __
• Total Length: __ meters
• Installation Method: Conduit/Trough/Distribution Panel Wiring
• Destination: Country and Port __
• Trade Terms: __
• Packaging: Reel/Drum/Bottle
• Required Documents: __
• Remarks: Insulation Color, Marking Language, Delivery Schedule, Inspection Requirements

JinHong cable packaging is provided in the form of wooden reels, corrugated boxes, and coils. The cable ends are sealed with BOPP self-adhesive tape and a non-hygroscopic sealing cap to protect the cable ends from moisture. We can print the required marks on the outside of the barrel with waterproof material according to customer requirements.