DIN 18014 2023-06 PDF

Full title and description

DIN 18014:2023-06 — Earthing systems for buildings — Planning, execution and documentation. National (German) technical standard that specifies requirements and guidance for the planning, construction, testing and documentation of earthing/grounding systems used for buildings and building-related installations.

Abstract

This edition (2023-06) replaces the earlier foundation-focused version and adopts a technology‑neutral approach to earthing systems. It expands the scope from foundation earth electrodes to earthing systems generally, describes multiple erder types (foundation/fundament, ring, deep/stake, combined systems), sets requirements for materials and execution, and places stronger emphasis on measurement and documentary evidence (photographs, plans, test records) to demonstrate conformity. The standard is applicable to new builds and to retrofits where earthing arrangements are modified.

General information

• Status: Active (current national DIN standard).
• Publication date: 1 June 2023 (edition 2023-06).
• Publisher: DIN — Deutsches Institut für Normung e. V.
• ICS / categories: 29.120.50 (fuses and other overcurrent protection devices); 91.140.50 (electricity supply systems).
• Edition / version: 2023-06 — replaces DIN 18014:2014-03 (title and substantial content revised).
• Number of pages: 71 (typical published page count).

Scope

Specifies requirements for planning, execution, verification and documentation of earthing systems for buildings with or without a combined potential-equalization network. The scope covers selection of erder type(s) appropriate to the building and ground conditions, material criteria, requirements for connections and corrosion protection, acceptable uses of structural metal (e.g., reinforcement) as “natural” conductors under defined conditions, and the content/format of documentation and test records required to demonstrate conformity. The standard is intended for application to new installations and to changes/retrofits; a transitional application window was defined at publication.

Key topics and requirements

• Technology‑neutral definition of earthing systems: foundation/fundamenters, ringers, deep (stave) erders, radial/strake erders and combined solutions are all covered and may be used where appropriate.
• Planning must consider building technology and soil conditions — a foundation/plate embedded conductor is not automatically sufficient for modern, insulated or water‑tight foundations; alternative or additional erders may be required.
• Mesh and spacing guidance for earthing conductors (typical guidance: mesh sizes up to 20 m × 20 m; where an external lightning protection system is present smaller meshes (for example 10 m × 10 m) are recommended to control step and touch voltages).
• Material and corrosion requirements (stainless steels such as V4A where stated, durable connections and appropriate protection of conductors and joints).
• Use of building parts or reinforcement as natural conductors is allowed only under defined conditions and with documented assessment.
• Combined potential-equalization networks (CBN) and functional bonding for EMC-sensitive or safety-critical installations are addressed, with criteria when a full combined system is required or when alternatives are acceptable.
• Verification and documentation obligations: execution drawings, photographic evidence of installed components before concealment, continuity and resistance measurements, and preserved test records form a mandatory part of conformity evidence.
• Requirements and examples for assessing earth-contact resistance, current‑carrying capacity of earthing conductors and criteria for acceptable measurement results are included (with annex material for typical soil resistivity values and special foundation conditions).

Typical use and users

The standard is used by electrical planners, lightning‑protection specialists, consulting engineers, installation contractors, building designers and architects, site supervisors, building owners and safety inspectors. It is applied during design of new buildings, specification of earthing works, execution checks on site, acceptance testing and for refurbishment projects where earthing arrangements are changed. Manufacturers and suppliers of earthing components also use the standard to align products with normative expectations.

Related standards

Normative and informative cross-references commonly associated with DIN 18014 include DIN VDE 0100 series (electrical installation rules, notably earthing and protective earthing requirements), the lightning protection series EN/IEC 62305 (protection of structures and persons from lightning), EN 50522 / national rules for earthing of power installations where applicable, and other DIN, VDE and IEC guidance for testing and measurement of earthing systems. Users should consult the referenced standards within DIN 18014 for exact normative relationships.

Keywords

earthing; grounding; earthing system; foundation earth electrode; ring earth; deep/stake erder; potential equalization; combined bonding network (CBN); lightning protection; documentation; measurement; DIN 18014:2023-06; earthing planning; earthing execution.

FAQ

Q: What is this standard?

A: DIN 18014:2023-06 is the German national standard that defines requirements and guidance for earthing (grounding) systems for buildings, covering planning, execution, verification and documentation.

Q: What does it cover?

A: It covers the selection and design of appropriate erder types (foundation, ring, deep/stake, combined), material and corrosion requirements, conductor and connection execution, the use of structural metal as natural conductors under conditions, required measurements and tests, and the documentary evidence needed to prove conformity.

Q: Who typically uses it?

A: Electrical designers and engineers, lightning protection specialists, installers and contractors, architects and building planners, facility managers, and authorities/inspectors involved in building electrical safety and lightning protection.

Q: Is it current or superseded?

A: The 2023-06 edition is the current DIN edition (published 1 June 2023) and replaces DIN 18014:2014-03. Transition guidance for projects that were already in planning/construction at publication was provided by the committee at issue.

Q: Is it part of a series?

A: It is a standalone DIN standard for earthing systems but is normatively linked to related DIN and VDE standards (for example the DIN VDE installation rules) and to international lightning-protection standards (EN/IEC 62305). Practitioners usually apply DIN 18014 together with these related documents to produce a complete protection and installation concept.

Q: What are the key keywords?

A: Earthing, grounding, foundation earth electrode, ring earth, deep/stave erder, combined potential-equalization, documentation, lightning protection, measurement, DIN 18014:2023-06.