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Cable clamps and cable blocks certificatesCable clamps and cable blocks certificates
Cable clamps and cable blocks certificates


KOZ Cable clamps and blocks are certified to the international NEN-EN-IEC 61914:2021 norm.

To receive the Certificate of Conformity NEN-EN-IEC 61914:2021 KOZ Products passed all the following tests with positive results:

– salt water spray test
– impact test
– light accelerated ageing test – voltage test
– lateral load test at +120°C
– axial load test at +120°C
– sliding load test with and without rubber inlays
– needle flame test
– test maximum temperature for permanent application +120°C
– test minimum temperature for permanent application -80°C
– test for resistance to electromechanical force in single, trefoil and flat formation

NEN-EN-IEC 61914:2016 logo

NEN-EN-IEC 61914:2021
NEN-EN-IEC 61914 specifies requirements and tests for cable cleats and intermediate restraints used for securing cable in electrical installations.

KOZ Products is certified to the latest standards of NEN-EN-IEC 61914:2021.

ISO 9001:2015 logo

ISO 9001:2015
ISO 9001: 2015, this standard specifies the requirements for the quality management system (QMS) of an organization. This standard requires documented procedures that are aimed at continuous improvement. This standard is therefore based on a process approach.

KOZ Products is ISO 9001:2015 certified.

SGS Belgium N.V. logo

SGS Belgium N.V.
SGS is the world’s leading inspection, verification, testing and certification company. They are recognized as the global benchmark for quality and integrity.

SGS was the organization that provided KOZ Products B.V. with the Certificate of Conformity for the NEN-EN-IEC 61914:2021.

Underwriters Laboratories (UL) logo

Underwriters Laboratories (UL)

UL is a global independent safety science company with more than a century of expertise innovating safety solutions.

Our products are UL certified, if you follow the below link you can consult these products accordingly.


Lloyds Register Nederland logo

Lloyds Register Nederland
Lloyd’s Register is an engineering, technical and business services organization providing compliance, risk and technical consultancy for the Marine market.

KOZ Products has achieved the Type Approval Certificate of Lloyds for the Marine and offshore market.

KEMA logo

KEMA Laboratories (also known as DNV-GL) accredited testing and certification of equipment for transmission and distribution of electricity.

KEMA has performed many test (including a short circuit current test) for KOZ Products B.V. according the NEN-EN-IEC 61914:2021.

Schneider Electric logo

Schneider Electric
Schneider Electric is a global specialist in energy management and automation with operations in more than 100 countries.

Schneider Electric is involved with the testing of short circuit currents on our cleat and blocks.