Silicone, XLPE and PVC Insulated Automotive and EV Wire

Silicone, XLPE and PVC insulated automotive and EV wire is designed for electric vehicle high-voltage systems, automotive wiring harnesses, vehicle low-voltage circuits, sensors, control modules, and under-hood wiring applications. This series includes EV-SIR silicone high-voltage automotive wire, TXL / GXL / SXL automotive primary wire, FLR6Y thin-wall automotive wire, and FLRY low-voltage automotive cable options for different vehicle wiring requirements.

Automotive & EV Wire
Silicone / XLPE / PVC Insulation
EV-SIR High-Voltage Wire
TXL / GXL / SXL / FLRY

Overview

Automotive and EV High-Voltage Wire is designed for electric vehicle high-voltage systems, automotive wiring harnesses, vehicle low-voltage circuits, sensors, control modules, and under-hood wiring applications.

This product family combines EV high-voltage automotive wire and standard automotive wiring options into one selection page. It includes EV-SIR silicone high-voltage wire for new energy vehicle systems, TXL / GXL / SXL automotive wire for vehicle harness applications, and FLR6Y / FLRY automotive cable options for low-voltage vehicle wiring and compact harness layouts.

This page is intended for product selection. Exact specifications should be confirmed by selected model, voltage rating, conductor size, insulation material, temperature rating, wall thickness, outside diameter, color, automotive standard, and project drawing before ordering.

Series Options

The table below helps buyers quickly distinguish EV high-voltage wire from standard automotive low-voltage wire options.

Series Option	Product Positioning	Typical Selection Scenario
EV-SIR	Silicone insulated EV high-voltage automotive wire	For electric vehicle, new energy vehicle, and high-voltage automotive wiring applications requiring silicone insulation and high-temperature flexibility.
TXL / GXL / SXL	Automotive primary wire series	For automotive wiring harnesses, control circuits, under-hood circuits, sensors, and vehicle low-voltage wiring systems.
FLR6Y	Thin-wall automotive wire	For compact automotive harnesses and vehicle wiring systems where reduced wall thickness and space-saving routing are required.
FLRY	Automotive low-voltage cable	For standard low-voltage vehicle circuits, internal automotive wiring, control modules, and general vehicle harness applications.
BYC Custom	Custom automotive wire and EV wire construction	For projects requiring custom conductor size, insulation material, voltage rating, temperature rating, color, marking, packaging, or documentation support.

Features

EV and Automotive Coverage

Combines EV high-voltage wire and standard automotive wiring options for new energy vehicles and conventional vehicle harness systems.

High-Voltage EV Option

EV-SIR supports high-voltage automotive applications where silicone insulation, flexibility, and temperature resistance are required.

TXL / GXL / SXL Options

TXL, GXL, and SXL automotive wire options allow buyers to select different wall thickness and insulation constructions based on vehicle harness needs.

Thin-Wall Automotive Wire

FLR6Y and selected automotive wire constructions support compact wiring harness layouts and space-saving vehicle routing.

Color and Marking Support

Automotive wire can be reviewed with project-specific color, striping, printing, and identification requirements.

Custom Harness Wire Support

BYC Cables can review conductor size, insulation material, voltage, temperature, color, marking, and documentation requirements for automotive projects.

Construction & Materials

Automotive wire selection should be based on vehicle system voltage, current load, temperature environment, routing space, insulation material, wall thickness, flexibility, and harness manufacturing requirements.

Construction Options

Component	Available Options	Selection Notes
Conductor	Bare copper, tinned copper, or model-specific copper conductor options	Conductor selection affects conductivity, flexibility, corrosion resistance, and compatibility with terminals and harness processing.
Insulation	Silicone rubber, XLPE, PVC, or model-specific automotive insulation materials	Silicone is suitable for EV high-voltage and flexible high-temperature use. XLPE and PVC-based options are common for automotive harness wiring.
Voltage Rating	Low-voltage automotive options and high-voltage EV options depending on selected model	Voltage rating must match the vehicle system, circuit design, safety margin, and applicable automotive standard.
Temperature Rating	Varies by selected model and insulation material	Temperature rating should be selected according to under-hood exposure, battery system temperature, harness location, and thermal load.
Wall Thickness	Thin-wall, standard-wall, and thick-wall automotive wire options	TXL, GXL, and SXL are commonly selected by wall thickness and application environment. Thin-wall options help reduce harness size and weight.
Color	Standard automotive colors, stripes, or project-specific color options	Color identification supports circuit recognition, harness production, inspection, and maintenance.
Customization	Custom conductor size, insulation, color, marking, packaging, and documentation options	BYC Cables can review drawings, samples, automotive specifications, and harness requirements before recommending a suitable construction.

Construction Differences

Series	Construction Focus	Confirmed Information	When to Choose
EV-SIR	Silicone insulated high-voltage automotive wire	Designed for new energy vehicle high-voltage wiring applications requiring silicone insulation and high-temperature flexibility.	Choose for EV battery systems, high-voltage vehicle circuits, and new energy vehicle power wiring applications.
TXL / GXL / SXL	Automotive primary wire series	TXL, GXL, and SXL provide different wall thickness options for automotive wiring harness applications.	Choose for general automotive harnesses, control circuits, sensors, and under-hood low-voltage wiring.
FLR6Y	Thin-wall automotive wire	Designed for automotive wiring applications requiring reduced insulation thickness and compact harness routing.	Choose when harness size, space-saving routing, and weight reduction are important.
FLRY	Automotive low-voltage cable	Suitable for low-voltage vehicle wiring, automotive control circuits, and general vehicle electrical systems.	Choose for standard vehicle wiring harness applications and low-voltage automotive circuits.
BYC Custom	Project-specific automotive wire construction	Conductor size, insulation material, color, stripe, marking, voltage, temperature, and documentation can be reviewed.	Choose when standard model data does not fully match the vehicle platform, harness design, or project specification.

Specifications

The specifications below are intended for preliminary product selection. Final values should be confirmed according to selected model, conductor size, insulation material, voltage rating, temperature grade, color, and applicable automotive standard.

Product Family	Automotive and EV High-Voltage Wire
Included Models	EV-SIR, TXL, GXL, SXL, FLR6Y, FLRY
Typical Applications	EV high-voltage systems, automotive wiring harnesses, low-voltage vehicle circuits, sensors, control modules, under-hood wiring, and new energy vehicle wiring
Voltage Range	Varies by selected model. EV-SIR is used for EV high-voltage systems, while TXL / GXL / SXL, FLR6Y, and FLRY are selected for automotive low-voltage circuits.
Conductor Options	Bare copper, tinned copper, or model-specific copper conductor options depending on selected wire type
Insulation Options	Silicone rubber, XLPE, PVC, or model-specific automotive insulation materials
Temperature Rating	Varies by selected model and insulation system. Final temperature rating should be confirmed by datasheet and project requirement.
Wall Thickness	TXL, GXL, and SXL are commonly selected by wall thickness; FLR6Y supports thin-wall automotive wiring applications.
Color Options	Standard automotive colors, stripe options, or custom colors depending on model and order requirements
Customization	Available based on conductor size, insulation material, voltage rating, temperature grade, color, stripe, marking, packaging, and documentation requirements.

For accurate quotation, please provide the target model, voltage rating, conductor size, insulation material, temperature requirement, color or stripe requirement, cable length, applicable automotive standard, and project drawings or specifications.

Representative Series Comparison

Series	Main Positioning	Primary Use	Selection Note
EV-SIR	Silicone EV high-voltage wire	Electric vehicle and new energy vehicle high-voltage wiring	Use when silicone insulation, flexibility, and EV high-voltage performance are required.
TXL	Thin-wall automotive primary wire	Automotive harnesses and compact vehicle wiring	Use when reduced wall thickness and harness weight are important.
GXL	General automotive primary wire	Vehicle electrical systems and under-hood circuits	Use when a balance of wall thickness, flexibility, and temperature performance is needed.
SXL	Thicker-wall automotive primary wire	More demanding automotive wiring environments	Use when stronger insulation wall thickness is required than TXL or GXL.
FLR6Y	Thin-wall automotive wire	Compact vehicle harnesses and low-voltage circuits	Use for space-saving automotive wiring applications.
FLRY	Low-voltage automotive cable	Vehicle low-voltage wiring and control circuits	Use for standard automotive low-voltage circuits and harness applications.

Applications

Automotive and EV wires are suitable for vehicle electrical systems where voltage rating, temperature resistance, flexibility, insulation material, harness size, and color identification are important.

Electric Vehicle High-Voltage Systems

For EV battery systems, high-voltage power circuits, and new energy vehicle wiring requiring silicone high-voltage wire options.

Automotive Wiring Harnesses

For vehicle harness manufacturing, branch circuits, under-hood wiring, and internal automotive electrical systems.

Low-Voltage Vehicle Circuits

For control circuits, lighting circuits, sensors, instrument wiring, and other low-voltage automotive applications.

Compact Harness Routing

For vehicle wiring layouts requiring thin-wall insulation, reduced cable size, and cleaner harness routing.

Automotive Control Modules

For control modules, sensors, relays, and vehicle electronic assemblies requiring reliable insulated wire.

Custom Automotive Wire Projects

For vehicle platforms requiring custom conductor size, insulation material, color, marking, and documentation support.

Selection Guide

Use this guide as a starting point. Final selection should be confirmed by vehicle voltage, harness location, operating temperature, routing space, wire standard, conductor size, and insulation material.

Requirement	Recommended Option	Selection Reason
EV high-voltage wiring	EV-SIR	Recommended for new energy vehicle and EV high-voltage wiring where silicone insulation and flexibility are required.
Thin-wall automotive harness	TXL / FLR6Y	Suitable when compact harness size, reduced wall thickness, and lighter wiring are important.
General automotive wiring	GXL / FLRY	Suitable for common vehicle low-voltage circuits, control wiring, and harness applications.
Thicker insulation wall	SXL	Recommended when more insulation wall thickness is needed for demanding automotive wiring environments.
Color-coded harness production	Custom Color	Color and stripe options help support circuit identification, harness manufacturing, inspection, and maintenance.
Project-specific automotive wire	BYC Custom	BYC Cables can review conductor size, insulation material, temperature rating, color, marking, and automotive documentation requirements.

Customization Options

BYC Cables can support custom automotive and EV wire requirements based on drawings, samples, electrical requirements, vehicle platform requirements, and project documentation needs.

Conductor Size

Conductor size can be selected according to current load, voltage drop, harness design, terminal compatibility, and vehicle circuit requirements.

Insulation Material

Silicone rubber, XLPE, PVC, or model-specific automotive insulation materials can be reviewed according to voltage, temperature, and routing environment.

Wall Thickness

Thin-wall, standard-wall, and thicker-wall options can be reviewed for harness size, weight, and durability requirements.

Color and Stripe

Custom colors, stripe colors, printing, and marking can support automotive circuit identification and harness manufacturing.

Cutting and Termination

Cable length, cutting, stripping, terminal, connector, and harness processing requirements can be reviewed based on drawings.

Testing and Documentation

Datasheets, inspection records, electrical test data, automotive documentation, and packaging labels can be provided based on requirements.

Request a Quote

Please provide the target model, voltage rating, conductor size, insulation material, temperature requirement, color or stripe requirement, cable length, applicable automotive standard, and drawings or specifications.

FAQ

What is automotive and EV wire used for?

It is used for electric vehicle high-voltage systems, automotive wiring harnesses, vehicle low-voltage circuits, sensors, control modules, under-hood wiring, and new energy vehicle wiring.

Which models are included in this series?

This series includes EV-SIR, TXL, GXL, SXL, FLR6Y, and FLRY automotive wire options.

What is the difference between EV-SIR and TXL / GXL / SXL?

EV-SIR is used for EV and new energy vehicle high-voltage wiring. TXL, GXL, and SXL are automotive primary wire options for lower-voltage vehicle harness applications, selected mainly by wall thickness and use environment.

Which option should I choose for compact automotive harnesses?

TXL and FLR6Y are commonly selected when thin-wall construction, compact routing, and reduced harness size are important.

Can BYC Cables provide custom automotive wire colors?

Yes. BYC Cables can review standard colors, custom colors, stripe colors, printing, and marking for automotive harness production.

What information should I provide for quotation?

Please provide target model, voltage rating, conductor size, insulation material, temperature requirement, color or stripe requirement, cable length, applicable automotive standard, and any drawings or specifications.