EOS Electrical Specifications — Complete Guide
The Egyptian Organization for Standardization and Quality (EOS) is the government body responsible for issuing Egyptian Standards (ES) for electrical products and others. Buying products without the EOS mark means risking cables with smaller actual cross-sections or breakers with incorrect ratings — a safety hazard that voids warranties.
By the Ases Kahraba team — Last updated: February 2026
Quick Answer
Complete guide to Egyptian Organization for Standardization (EOS) electrical specifications — how to verify the EOS mark, key ES standards for cables and breakers, and how to spot non-certified products.
Key Facts About EOS Electrical Specifications
- What is the Egyptian Organization for Standardization (EOS)? — A government institution founded in 1957 under the Ministry of Industry, its mission is to issue Egyptian Standards and grant the Egyptian Quality Mark to products meeting those standards.
- ES 4580 cable standard — The primary Egyptian standard for PVC-insulated copper cables used in buildings. It specifies the minimum actual copper cross-section, insulation requirements, and thermal capacity for each size.
- ES 2674 breaker standard — Defines requirements for MCB circuit breakers regarding nominal current, voltage, maximum breaking capacity, and test requirements. Compliant breakers carry the ES 2674 mark.
- How to verify the EOS mark on a product — Look for the EOS logo printed on the cable jacket or breaker body along with the standard number. You can also verify electronically through the certified product database on the official EOS website.
- Why the EOS mark matters — A non-certified cable may have an actual copper cross-section 20–30% smaller than stated. A non-certified breaker may fail to trip under overload. Both expose the home to fires and recurring faults.
- Common non-certified products in the market — Low-price Chinese cables without the ES mark, and breakers counterfeiting European brands without certification. These products are sold in some building supply shops at significantly lower prices than certified ones.
- How to check via the EOS website — The official EOS website (eos.org.eg) provides a certified product database. You can search by company name, license number, or product type to confirm the validity of certification.
Frequently Asked Questions
Does having the EOS mark guarantee the product is definitely safe?
The EOS mark means the product passed Egyptian standard tests at the time of certification. It does not absolutely guarantee every production batch. So buy from established, reputable suppliers and check the certification validity date.
How do I verify that a product's certification is current and not expired?
Through the official EOS website or by contacting the relevant EOS office. Certifications are renewed annually or periodically, and a trustworthy supplier provides the current certificate with the invoice on request.
What cable and breaker brands are certified in Egypt?
Among the leading certified cable brands: Elsewedy, Kabelwerk, Supreme. Leading certified breaker brands: Schneider Electric, Legrand, ABB, Hager. These brands provide complete certification documentation including EOS certificates.
Can I file a complaint against a product that doesn't meet EOS specifications?
Yes, you can file an official complaint with EOS through their website or in person at their Cairo headquarters. You can also notify the Consumer Protection Agency, which has authority to withdraw non-compliant products from the market.
What is the difference between the EOS mark and the European CE mark?
The EOS mark is purely Egyptian, meaning compliance with Egyptian Standards (ES), while CE is a European mark indicating compliance with EU directives. CE is recognised in Egypt for imported products but does not replace EOS for products manufactured or marketed locally.