Safe electrical installations in timber construction – thanks to arc resistance

When installing a house connection box for an electrical installation in a residential building, it is essential to use an arc-resistant surface in accordance with DIN and VDE regulations. Rigidur H gypsum fibreboard from RIGIPS, which is used for wall construction and is pre-primed, smooth and has an especially hard surface, meets these requirements exceptionally well. Accredited testing institutes certify the high-performance board from the drywall specialist with the best possible rating of LV 1.1.1.1 according to DIN VDE 0303 T5, which indicates exceptionally high arc resistance. This enables safe surfaces for house connection boxes and distribution cabinets to be created using Rigidur H.

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Accredited testing institutes have certified the high-performance Rigidur H gypsum fibreboard from RIGIPS with the best possible rating of LV 1.1.1.1 according to DIN VDE 0303 T5, thanks to its exceptionally high arc resistance. It is therefore ideal for creating safe surfaces for house connection boxes and distribution cabinets. Photo: SAINT-GOBAIN RIGIPS GmbH

Different regulations and standards apply to the installation of electrical distribution systems in buildings. The focus is primarily on the safety and functionality of the systems. For instance, DIN 18015 outlines how electrical installations in residential buildings should be planned and carried out. Meanwhile, VDE regulations focus on the selection and installation of cables, wires, switching devices and protective measures.

Arc-resistant wall surface required

House connection boxes and cables must be installed on an arc-resistant wall surface. Structural prerequisites must also be in place to ensure the safe installation of the house connection. After installation, the boxes must remain easily accessible to allow, for example, the fire department to access them unhindered in case of damage.

Rigidur H gypsum fibreboards from RIGIPS offer the highest level of arc resistance, making them ideal for use with house connection boxes and distribution cabinets. In order to classify a surface as "arc-resistant", an accredited testing institute conducts a low-voltage high-current arc test. This test procedure is defined in DIN VDE 0303 Part 5: Low-voltage high-current arc test.

Easy installation

Rigidur H gypsum fibreboards are not only arc-resistant, but they also impress with easy installation when setting up electrical distributors. House connection boxes, distribution cabinets, media rails and cable ducts can be particularly easily attached to the wall made of Rigidur H gypsum fiberboards using coarse-thread screws. Elaborate doweling, drilling, or backing is not required. 

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SAINT-GOBAIN RIGIPS GMBH
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Recognised as a system provider by construction professionals for its high-quality drywall construction solutions, RIGIPS offers a wide range of gypsum and speciality boards, Rigidur gypsum fibreboards, profiles, accessories and high-performance joint fillers and compounds. These certified solutions are ideal for interior and exterior drywall constructions, providing highly effective fire and sound protection for maximum safety and comfort. Our comprehensive product and system portfolio is complemented by a wide range of services to support the planning and execution of even the most demanding construction projects. At the same time, RIGIPS is committed to environmental responsibility, focusing on sustainable climate protection and the conservation of natural resources. For instance, gypsum board recycling options increasingly close material cycles, while product packaging made from recycled materials reduces the need for primary raw materials. RIGIPS is part of the international Saint-Gobain Group. In a nutshell: RIGIPS – building better for people and the environment.

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As a global leader in sustainable construction, Saint-Gobain develops, produces and distributes materials and services for the construction sector and industrial markets. Its integrated solutions for renovating public and private buildings, lightweight construction, and decarbonising the construction sector and industry are developed through continuous innovation. These solutions offer sustainability and performance. The Saint-Gobain Group, which will celebrate its 360th anniversary in 2025, is guided by its purpose: “MAKING THE WORLD A BETTER HOME”.

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