UL1331 600 Volt Wire is a type of hook-up wire that is mainly used for the internal wiring of electronic devices, electrical appliances, and industrial equipment. The main advantages of UL1331 600 Volt Wire are its high temperature and chemical corrosion resistance. It can withstand many harsh environments. It has a low coefficient of friction for easy stripping and installation and uniform insulation thickness. Also, the FEP material of this wire gives a wide range of operation temperature. The FEP-insulated wire family contains UL1331 600 Volt Wire and similar variants like UL1330 (rated for 200°C) and UL1332 (thin-wall version rated for 300V), allowing users to select the correct wire according to their specific requirements for temperature, voltage and insulation thickness.
Feature
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Insulation:FEP
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Conductor:Oxygen-Free Copper (OFC) 99.96%~99.99%
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Rated temperature:150℃
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Rated voltage:600V
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Used for wiring in electronic devices and industrial environments
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Passes UL VW-1 & CSA FT1 Vertical flame test
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Reference standard: UL758,UL1581

Application
In the manufacturing of modern high-end medical diagnostic equipment, UL1331 600 Volt Wire plays a pivotal role. Taking, for instance, a CT scanner produced by a globally renowned medical device manufacturer, the device's internal high-voltage generator, X-ray tube cooling system, and precision sensor arrays require extensive, highly reliable internal wiring. Within the operating environment, temperatures in the vicinity of the equipment's core components can remain consistently between 120°C and 150°C over extended periods, while simultaneously exposing the wiring to cooling fluid vapors, disinfectant residues, and minor mechanical vibrations.
The wire is easy to route and secure in tight chassis spaces for practical assembly applications, and is highly flexible and has a low coefficient of friction. Uniform insulation thickness reduces the potential for signal interference. This wire specification is used for connecting high voltage power supplies to control boards, sensor signal lines and motor leads. The equipment has passed strict accelerated aging tests and comprehensive EMC (electromagnetic compatibility) validation. In the hospital's harsh and high-intensity working environment, the equipment's failure rate has been greatly reduced, and the maintenance interval has been extended to more than 1.5 times the original maintenance interval. Distinguished by its balanced electrical, thermal, and mechanical properties, UL1331 600 Volt Wire has emerged as the preferred material for internal wiring in high-reliability equipment, empowering engineers to achieve safe and efficient design objectives even under the most exacting conditions.

Structure

Product Specification

Our Factory








Our company was established in 2011. It provides components for many well-known global brands. Hubei Daowang Electronic Technology Co., Ltd. was established in October 2018. In 2025, Hubei Daowang New Energy Technology Co., Ltd. was established, responsible for cable businesses related to new energy, energy storage, and wind power. In the same year, Zhongxin Daowang Co., Ltd. was established in Wuhan to handle irradiation business. Moreover, it was planned to set up Jiangxi Daowang New Energy Technology Co., Ltd. in Jiangxi to be responsible for metal conductor business, becoming a full industrial chain supplier.
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Certification

UL-CA

UL-US

JBT87344

GICG

IATF16949

UDEM

AVLV8E352430

E352430

UL-2326935

UL-2331368
Product Packaging

FAQ
Q: Are you a manufacturer or trading company?
A: We are a professional manufacturer and we provide all services from the beginning to the end of your order. From the initial design to the final delivery, we ensure that every step meets the highest standards.
Q: How long does it take to complete your order?
A: For standard items in stock, we usually ship within 5-7 working days. Custom or bulk orders may take approximately 15–30 days, depending on specifications and quantity.
Q: What is the MOQ?
A: Typically 3,000 to 6,000 meters. Confirm per item with our sales team.
Q: Do you offer OEM/ODM?
A: Yes. Branding, printing, labeling, and custom packaging are supported.
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