Understanding the 18th Edition Amendment 2 EICR
The electrical industry is one that thrives on precision, safety, and up-to-date knowledge. With the introduction of the 18th Edition Amendment 2 to the BS 7671:2018, professionals in the field are expected to adapt to new standards that enhance the safety and efficiency of electrical installations. This article delves into the key aspects of the amendment, its implications for Electrical Installation Condition Reports (EICRs), and what electricians and contractors need to know to stay compliant.

A Comprehensive Guide
The electrical industry thrives on precision, safety, and up-to-date knowledge. With the introduction of the 18th Edition Amendment 2 to BS 7671:2018, professionals in the field are expected to adapt to new standards that enhance the safety and efficiency of electrical installations. This article delves into the key aspects of the amendment, its implications for Electrical Installation Condition Reports (EICRs), and what electricians and contractors need to know to stay compliant.
What is the 18th Edition Amendment 2?
The 18th Edition Amendment 2 refers to the latest update to the British Standard BS 7671, which outlines the national standard for electrical installations in the UK. The amendment, which was issued on 28 March 2022, introduces several changes aimed at improving the safety and performance of electrical installations. It is crucial for professionals to understand these changes, as they affect the design, erection, and verification of new installations, as well as alterations and additions to existing ones.
It is crucial for professionals to understand these changes, as they affect the design, erection, and verification of new installations, as well as alterations and additions to existing ones.
The Significance of Amendment 2 for Safety and Compliance
The 18th Edition Amendment 2 is not just a set of regulations; it's a commitment to safety and excellence. The changes introduced are designed to mitigate risks associated with electrical installations and ensure that they meet the highest safety standards. For instance, the new requirements for Arc Fault Detection Devices (AFDDs) in specific types of installations like care homes and student accommodations underscore the importance of protecting vulnerable populations from electrical fires.
Key Changes in Amendment 2
Amendment 2 brings about a variety of changes, some of which are significant revisions to existing regulations. Here are some of the notable updates:
- Protection Against Electric Shock: Regulation 411.3.1.2 has been redrafted to require that extraneous-conductive parts within a consumer’s installation be connected to the main earthing terminal to mitigate dangerous potential differences.
- RCD Protection: Regulation 411.3.3 now includes an exception to omit RCD protection based on a documented risk assessment under certain conditions.
- Insulation Resistance: Changes to testing regulations, such as the 643.3, mandate that a 500 V insulation resistance test be carried out before connecting any equipment that could be affected by the test, followed by an additional test at 250 V after connection.
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