EVS-EN 50110-1:2023

Operation of electrical installations - Part 1: General requirements

General information
Valid from 16.10.2023
Base Documents
EN 50110-1:2023
Directives or regulations

Standard history

EN 50110-1 applies to all work activity with electrical installations. These are electrical installations operating at voltage levels from and including extra-low voltage up to and including high voltage. These electrical installations are designed for generating, transmitting, converting, distributing, and using electrical power. Some of these electrical installations are permanent and fixed, such as a distribution installation in a factory or office complex. Others are temporary, such as on construction sites, and others are mobile or capable of being moved either whilst energised or not energised or charged. Examples are electrically driven excavating machines in quarries or open-cast coal sites.

EN 50110-1 sets out the requirements for the safe operation and work activity on, with, or near these electrical installations. The requirements apply to all operational, working and maintenance procedures. They apply to all non-electrical work such as building work near overhead lines or underground cables as well as electrical work, when there is a risk of electrical danger. It does not apply to ordinary persons when using installations and equipment, provided that the installations and equipment comply with relevant standards and are designed and installed for use by ordinary persons.

This document has not been developed specifically to apply to the electrical installations listed below. However, if there are no other rules or procedures, the principles of this document could be applied to them:

— on any aircraft and hovercraft moving under its own power,

— on any sea-going ship moving under its own power, or under the direction of the master,

— electronic telecommunications and information systems,

— electronic instrumentation, control and automation systems,

— at coal or other mines,

— on off-shore installations subject to International Marine laws,

— on vehicles,

— on electric traction systems,

— on experimental electrical research work.
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