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Welcome to the Technical area of the ECA Website, where members can benefit from unrivalled technical support across a wide range of electrotechnical activities. Click on the buttons below to access more on subject topics of interest.
Authoritative guidance on subject matters for the electrotechnical industry
Certify your work with our free editable pdf certificates.
You've got a Question? We've got the Answer! Check out our technical FAQs.
The purpose of a Guidance Note is to offer a concise guide to a specific area of technical interest.
Short & quick reference documents, keeping Engineers and Installers up to date on issues that impact their businesses on a daily basis.
Save your business thousands of pounds!
The BSI Online Library features over 70 electrical and electronic installation British Standards.
Hard copies of British Standards can cost up to thousands of pounds each to purchase.
The Online Library Licence prices for a yearly subscription from £90 (+ VAT).
Available to ECA Members only.
Part of your ECA Member benefits.
The goal of Smart Tech Live is to inform and educate electrotechnicians about smart, connected, and innovative technologies that will help give their business a competitive edge in an evolving industry.
June 9th - the Grand Connaught Rooms, LONDON & June 15th - the Principal York, YORK
ECA Members and associates go FREE. Regular tickets £50.
This technical bulletin addresses the questions about wiring accessory replacement and provides best practice guidance which can be applied to both commercial and domestic locations.
This Guidance Note highlights TT earthing system requirements, dispels any myths and gives some clear guidance to both contractors and clients.
Best practice advice based on one of the most frequent technical enquiries.
This technical bulletin is designed to offer advice and guidance when working on and with electrical equipment of dissimilar metals that are to be connected, or joined together.
Historically voltages have been classified in different ways, often with confusion arising over where one voltage range stops and another one begins.
Many contractors, engineers and consultants find this topic to be confusing. The answer will depend on what the tray / ladder is used for.
This certificate is to be used to formally record where equipment / circuit(s) have been isolated, proven dead, and suitable steps taken to prevent inadvertent re-energisation.
Produced for SMEs wanting to know the bare essential requirements to work on BIM projects
This is a BS 7671 certificate, that can only be used for installation work, that does not include the provision of a new circuit.
It should be noted that the ECA certificate offers the convenience of being to record details of up to three such modified circuits.
with Member business logo
BS7671: 2008, AMD 3 2015 revised regulation 411.3.3 now requires all socket outlet circuits not exceeding 20A to incorporate additional protection by 30mA RCD, however an exception is permitted provided a documented risk assessment is produced, justifying why RCDs are to be omitted.
This certificate is only valid when accompanied with signed declarations of design (H.2), installation (H.3) and verification (H.4) certificates.
(up to 25 self contained luminaries)
This certificate is only valid when accompanied with a signed declaration of conformity certificate (I.2)
(up to 25 self contained luminaires) – Declaration of conformity
This certificate would be used typically for the one off verification/inspection of an existing emergency lighting installation and is valid only when accompanied by a signed checklist and report (K2)
This certificate would be used for the regular inspections and testing of an emergency lighting installation – typically as part of a maintenance activity or contract. The certificate would normally be accompanied by the Periodic Inspection &Test Record (M2) and if applicable, the Fault Action Record (M3)
This document will help ECA member firms to navigate through the maze of BIM terminology and acronyms and work out what BIM means.
Designed to help members identify the necessary steps to ensure they are prepared for BIM.
This application guidance seeks to clarify the correct requirements for industrial / commercial HV/LV substation earthing.
The objective of this guidance is to set out the background to European Voltage Harmonisation. The past and current situation within the UK & Europe; how this affects the selection of electrical plant and equipment and; how voltage drop criteria might be best applied.
Air Source Heat Pumps could provide all of home’s heating, significantly cutting your bills and reducing the amount of harmful carbon dioxide (CO2) released into the atmosphere.
Ground source heat pumps are
powered by electricity, but for
every unit of electricity used, three to four units of heat are produced. This kind of system could
provide all of your home’s heating, significantly cutting your bills – and reducing the amount of
harmful carbon dioxide (CO2) you release into the atmosphere.
This application guidance is intended to provide readers with information regarding the design, selection and installation of LV switchgear and protective devices and to offer practical guidance to all, though due to the nature of the subject must make reference to other guidance documents and standards.
Equipment formal visual and cembined inspection and test record
This guidance provides information relating to the design, selection and erection of cabling in the LV category as defined by, as amended, Requirements for Electrical installations, IET Wiring Regulations 17th Edition.
One of the most fundamental issues concerning building safety is that of fire and fire spread, and indeed it was this topic that has paved the way for a significant part of today’s Building Regulations.
Arc Flash Risk Assessment and Arc Flash Protection, are topics of North-American (USA) origin and concern the assessment and mitigation of Arc Flash Hazard(s) to personnel working on, or in reasonably close proximity to, energised electrical plant and equipment. The topic is very much coming to the fore in the UK via manufacturers and suppliers of PPE...
Model Certificate for Grades B, C, D, E and F
Grade C,D,E & F systems
Engineering advice from a practical point of view.
Over 2000 Members are supported annually with technical advice.
Clarifying & resolving technical issues, plus advice on good and best practice.
08 Feb 2017
In the second instalment of our new gallery of 'Rogue Installations', held in association with Voltimum, we cast an eye over some of the shocking installations found by contractors.
25 Jan 2017
12 Jan 2017
The ECA Technical Department has now added a new certificate for members to formally record potentially dangerous situations found on a client’s premises.
03 Mar 2016
ECA urges government to address payment problems to boost investment