INSTITUTE FOR STANDARD AND QUALITY DEVELOPMENT STUDIES

Conformity Certification for Electric Wires and Cables under QCVN 4

Electric wires and cables are products widely used in residential and industrial electrical systems. If the products do not meet technical requirements, electrical incidents and fire hazards may occur during use. Therefore, conformity assessment under QCVN 4 is a matter of concern for many businesses before bringing products to the market.

Contact: +84 981 85 1111

Overview

Electric wires and cables are products widely used in residential, industrial, and various technical infrastructure systems today. However, these products are also directly related to electrical safety, construction quality, and fire risks if they fail to meet necessary technical requirements.

Therefore, conformity certification for electric wires and cables under QCVN 4 is receiving significant attention from manufacturers, importers, and distributors to ensure products comply with regulations before being circulated on the market.

Let ISSQ Quality Institute help you learn more about conformity certification for electric wires and cables under QCVN 4 in the article below.

What Are Electric Wires and Cables?

Electric wires and cables are products used to transmit electrical power or electrical signals from the source to electrical devices. They are widely used in residential electrical systems, industrial systems, construction projects, telecommunications, and technical infrastructure.

Although often referred to together, electric wires and electric cables differ in structure, load-bearing capacity, and intended applications.

What Is an Electric Wire?

An electric wire is a conductive material with a relatively simple structure, usually consisting of: a copper or aluminum conductor core and an outer insulation layer.

Electric wires are commonly used in: residential electrical systems, household electrical appliances, lighting systems, electrical connections in buildings, etc.

What Is an Electric Cable?

An electric cable has a more complex structure than an electric wire, consisting of multiple protective layers to increase load capacity, reduce interference, and ensure operational safety.

Typically, electric cables may include: conductor core, insulation layer, filler layer, protective armor layer, outer sheath, etc.

Electric cables are commonly used in: industrial electrical systems, manufacturing plants, construction works, power transmission and distribution systems, etc.

The Role of Electric Wires and Cables in Electrical Systems

Electric wires and cables not only transmit electrical power but also directly affect:

  • The stability of electrical systems
  • Equipment operating efficiency
  • Electrical safety during use
  • The ability to reduce short circuits, electrical leakage, and technical incidents

Because they are directly related to electrical safety and construction quality, electric wires and cables must be strictly controlled in terms of quality and conformity assessment according to current technical requirements.

Why Do Electric Wires and Cables Need QCVN 4 Conformity Certification?

Electric wires and cables are products commonly used in residential and industrial electrical systems. If the products do not meet technical requirements, electrical incidents and fire hazards may occur during use.

Therefore, conformity assessment under QCVN 4 is a major concern for many businesses before bringing products to the market.

Risk of Electrical Safety Hazards

Poor-quality electric wires and cables may cause electrical leakage, short circuits, electric shock, etc., affecting user safety. In particular, insulation defects or poor conductor materials are often difficult to detect with the naked eye.

Risk of Overheating and Fire

If load-bearing capacity is insufficient, electric wires and cables may generate excessive heat, melt insulation layers, and cause electrical fires. This is one of the common causes of electrical fire incidents in buildings and factories.

Uneven Product Quality on the Market

Currently, the market contains many types of electric wires and cables with varying quality levels. Some products may not ensure proper conductor cross-sectional area, may use low-quality materials, or fail to meet technical safety requirements. Therefore, product quality assessment and control are necessary.

Impact on Electrical System Stability

Products that do not meet technical requirements may cause unstable electrical system operation, faster equipment damage, and increased repair and maintenance costs. For factories or large projects, these risks may directly affect operations.

Requirement for Quality Control Before Market Circulation

Conformity assessment under QCVN 4 helps businesses control product quality, comply with current technical requirements, and establish a basis for legal market circulation.

Electric wires and cables directly affect electrical safety, construction quality, and the operation of electrical systems in practice. Therefore, conformity assessment under QCVN 4 not only helps control product quality but also contributes to minimizing safety risks during use and market circulation.

What Is QCVN 4?

QCVN 4 is the National Technical Regulation specifying safety requirements and management requirements for electrical and electronic equipment listed in the Appendix of this regulation.

List of Electrical and Electronic Equipment Required to Ensure Safety under QCVN 4

No. Electrical and Electronic Equipment
1 Instantaneous electric water heaters
2 Electric water heating and hot water storage appliances
3 Hair dryers and other hair care appliances
4 Electric kettles
5 Rice cookers
6 Electric fans
7 Electric irons
8 Microwave ovens
9 Portable electric ovens and electric grills
10 Electric wires and cables
11 Immersion-type electric water heaters
12 Tea or coffee makers
13 Hand dryers

Among them, electric wires and cables must comply with TCVN 6610-1:2014 (IEC 60227-1:2007), replacing TCVN 6610-1:2007 (IEC 60227-1:1998) regarding PVC insulated cables with rated voltages up to and including 450/750 V.

TCVN 6610-1:2014 applies to rigid and flexible cables insulated, and sheathed if applicable, with polyvinyl chloride (PVC), having rated voltage Uo/U up to and including 450/750 V, used in electrical installations with nominal voltages not exceeding 450/750 V AC.

Benefits of QCVN 4 Conformity Certification for Electric Wires and Cables

Conformity certification for electric wires and cables under QCVN 4 not only helps businesses comply with technical requirements for electrical and electronic products but also provides many benefits in manufacturing, business operations, and brand reputation building.

Confirm Product Quality and Safety

Conformity certification helps products be assessed according to electrical safety technical requirements before being circulated on the market. It also serves as a basis for businesses to control quality and improve product reliability.

Enhance Brand Reputation

Products assessed as compliant with technical regulations often create greater confidence among customers, partners, and contractors. This contributes to improving brand image and reputation.

Support Business and Distribution Activities

Conformity certification helps businesses distribute products more conveniently, supply products to projects, cooperate with distributors and partners, and participate in projects or bidding activities.

Minimize Risks in Manufacturing and Import Activities

Conformity assessment under QCVN 4 helps businesses proactively control technical requirements for products, thereby minimizing risks related to product quality during market circulation.

Increase Customer and Partner Confidence

As consumers increasingly pay attention to the quality and safety of electrical products, conformity certification also becomes a factor that helps businesses create competitive advantages and increase market trust.

Conformity certification for electric wires and cables under QCVN 4 not only demonstrates compliance with technical requirements but also helps businesses improve product quality, build reputation, and develop sustainable business operations.

Procedure for QCVN 4 Conformity Certification for Electric Wires and Cables

To assess electric wires and cables for conformity under QCVN 4, the following basic certification steps are generally implemented:

Step 1: Receive certification registration documents

Step 2: Sign the science and technology service contract

Step 3: Conduct surveys and assessments

Step 4: Complete documents after assessment

Step 5: Review documents and issue certification (if qualified)

Step 6: Conduct surveillance assessments at least once every 12 months

Step 7: Conduct recertification assessment (certificate validity: 3 years)

Electric wires and cables play an important role in residential and industrial electrical systems, while also posing risks of electrical hazards and fire if they do not meet technical requirements. Therefore, conformity certification under QCVN 4 not only helps businesses control product quality but also contributes to enhancing brand reputation and facilitating product circulation on the market.

In addition to complying with current technical requirements, conformity certification also helps businesses increase trust with customers and partners while improving competitiveness in the manufacturing and trading of electric wires and cables.

Companies requiring conformity certification assessment for electric wires and cables under QCVN 4 may contact ISSQ Quality Institute via hotline: (+84) 981851111 or email: vienchatluong@issq.org.vn | tcvn@issq.org.vn for support with procedures.

Published Date: 13/05/2026

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