SIST CLC/R 023-002:1997

Overview

The SIST CLC/R 023-002:1997 standard provides detailed information about flush-mounting boxes used across various CENELEC countries. This document supplements prEN 60670 * D90/053, focusing on the dimensions, types, and installation practices for flush-mounting electrical boxes employed in different European nations under the CENELEC framework.

Flush-mounting boxes are essential components in electrical installation systems, facilitating safe and standardized mounting of switches, sockets, and other electrical devices within walls. The standard aims to harmonize product specifications and installation requirements to ensure interoperability and compliance with existing European norms.

Key Topics

• Geographic Coverage
  The standard covers multiple CENELEC countries, offering comparative data to help manufacturers and installers understand the specific requirements and conventions in each country.

• Types and Dimensions
  It details various types of flush-mounting boxes, including their sizes, shapes, and mounting depths. This ensures that devices can be universally fitted or adapted for local markets.

• Installation Practices
  Guidelines for the proper installation of flush-mounting boxes are highlighted to optimize safety, accessibility, and durability, ensuring conformity with European electrical safety directives.

• Material Specifications
  Recommendations on materials used for these boxes emphasize durability, fire resistance, and suitability for different wall constructions prevalent in CENELEC countries.

• Supplementary to EN 60670
  As an annex to prEN 60670, this standard complements the general rules for boxes and enclosures for electrical accessories, focusing specifically on flush-mounted variants.

Applications

• Electrical Installations in Residential and Commercial Buildings
  Ensures that flush-mounting boxes selected for new or retrofit installations comply with country-specific norms while maintaining interchangeability across Europe.

• Manufacturing and Product Development
  Manufacturers benefit from a unified reference on dimensional and material requirements, facilitating cross-border product distribution and reducing the need for multiple model variants.

• Quality Assurance and Compliance
  Testing laboratories and certification bodies utilize this standard to evaluate whether flush-mounting boxes fulfill the required specifications for safety and interoperability.

• Electrical Contractors and Installers
  Provides a practical guide for selecting and installing flush-mounting boxes, minimizing installation errors and ensuring secure electrical connection points that comply with local and international regulations.

Related Standards

• prEN 60670 – Boxes and Enclosures for Electrical Accessories
  This standard covers general requirements and serves as the primary norm to which SIST CLC/R 023-002:1997 is supplementary.

• IEC 60670
  The international equivalent providing broad requirements for electrical boxes and enclosures, forming the basis for regional adaptations.

• CENELEC Harmonized Standards
  Additional CENELEC standards related to electrical installations, safety rules, and dimensioning complement the flush-mounting box guidelines.

• National Standards of CENELEC Member Countries
  Country-specific standards incorporated or referenced in SIST CLC/R 023-002:1997 to reflect local practices and regulatory requirements.

This standard is invaluable for ensuring compatibility and safety in the use of flush-mounting electrical boxes across Europe. By aligning product specifications with diverse national practices, SIST CLC/R 023-002:1997 facilitates smoother market entry and compliance with the ever-evolving European electrical installation landscape. Engineers, product designers, and installers are encouraged to adopt this standard to maintain quality, safety, and interoperability in their electrical projects.