Technical Bulletins
We regularly publish short & quick reference documents, keeping engineers and installers up to date on issues that impact their businesses on a daily basis.
Technical Bulletins are designed to offer good advice on specific technical questions received through our technical helpline or via our network of branch and regional meetings.
BS 7671:2018+A2:2022 | |
Installing Surge Protective Devices retrospectively | Nov-22 |
Additional requirements for outside lighting | Jun-22 |
Verbal forms for expression of provisions | Jun-22 |
Table 3A has been removed from BS 7671:2018+A2:2022 | May-22 |
Clarifications made to the requirements for RCD testing | Apr-22 |
Protection Against Overvoltage | Apr-22 |
Precautions where particular risks of fire exist | Apr-22 |
Installing and additional earth electrode in TN earthing systems | Apr-22 |
Bonding of Outbuildings | Apr-22 |
Date of Inception for BS 7671:2018+A2:2022 | Apr-22 |
The use of BS 7288-type socket-RCDs and Regulations 531.3.4.1 and 531.3.4.2 | Apr-22 |
Arc Fault Detection Devices (AFDDs) | Apr-22 |
HMO, care homes and purpose-built student accommodation definition | Apr-22 |
Functional Earthing | Apr-22 |
Installing an additional earth electrode in TN earthing system | Apr-22 |
BS 7671:2018 | |
Correct selection of telecommunications cabling | Apr-23 |
Installing domestic AC voltage optimisers | Jan-23 |
Continuing professional development and requirements for ECA Members | Dec-22 |
Naming conventions for electrical installations | Apr-22 |
Increased awareness of manufacture instructions and recommendations | Feb-22 |
Use of consumers electrical cabinet for additional equipment | Oct-21 |
Halogen and fluorescent lamp sale ban | Aug-21 |
Domestic consumer units not supplied by BS 88-3 fuses | May-21 |
EICR observation writing | April-21 |
Electrical Safety in the private rented sector | May-20 |
BIM | Feb-20 |
BS 7671: 2018 Amendment 1 | Feb-20 |
LED lights and circuit breaker selection | Jan-20 |
Technical Bulletin - Working in the Republic of Ireland | Jun-19 |
AFDD and Sleeping Accomodation Explanation of definitions related to sleeping accommodation. |
Jun-19 |
Does Metallic Cable Tray / Ladder Require Bonding? Many contractors, engineers and consultants find this topic to be confusing. The answer will depend on what the tray / ladder is used for. |
Jan-17 |
Responsibilities for Passive Fire Stopping of Building Services Structural Openings This bulletin reminds members of the vital importance of establishing contractual responsibilities for passive fire stopping around building services installations. |
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Use of YY CY SY Cables | |
Surge Protection Devices | |
Supplementary equipotential bonding | |
Voltage drop in electrical designs and the requirements within BS 7671 |
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The trunking currently being used in electrical installations typically has an International Protection (IP) rating (otherwise known as Ingress Protection Rating) of IP3X where joints have been fabricated on site. |
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Changes to BS 7671:2018 has resulted in altered model test certificates. The below guide highlights the reasons for these changes and what should be recorded. |
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Departures from BS 7671 | Aug-18 |
Cable Supports | Aug-18 |
RCDs and Socket Outlets | Aug-18 |
Selectivity & Desk Studies | Aug-18 |
Energy Efficiency BS 7671 | Aug-18 |
RCD Types & BS 7671:2018 | Aug-18 |
Cross-sectional Area of Neutral Conductors Best practice advice based on one of the most frequent technical enquiries. |
Jun-18 |
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. |
Feb-17 |
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. |
Feb-17 |
Electrical Installations After a Flood or Fire Floods and fires of any magnitude can have detrimental effects on any electrical nstallation. This bulletin provides property professionals with clear advice on recognising these potential dangers. |
Jan-17 |
Containment Methods for Fire Alarm Cabling | Aug-20 |
April 2019 saw an update to the Standard for domestic fire detection and fire alarm systems. |
Apr-19 |
Correct selection of telecommunications cabling | Apr-24 |
Power over Ethernet (PoE): 2019 | Sep-19 |
Internet of Things Security: 2019 | Jun-19 |
CPR – IT and Telecommunication Cables This Technical Bulletin is a useful tool for you and your client to explain what is expected in the publication of and its commercial impact regarding the Construction Product Regulations. |
Jan-17 |
EV-Ultra® EVCP cable | Feb-23 |
Installing domestic AC voltage optimisers | Jan-23 |
Funded training and MCS registration available | Jun-22 |
712 Solar Photovoltaic (PV) power supply systems | Apr-22 |
Changes to Domestic Low-Carbon Heating Funding | Mar-22 |
Changes to the OZEV Electric Vehicle Homecharge Scheme | Feb-22 |
Electric vehicle charging equipment | May-21 |
Update to EVHS process | Nov-20 |
Local Authority Green Homes Grant Phase 1B- solar win | Oct-20 |
Green Homes Grant Scheme | Oct-20 |
Open Pen devices and solar PV | Oct-20 |
G99 technical bulletin 2019 | Jun-19 |
Technical Bulletin - Smart Export Guarantee (SEG) Announcement UK Government publishes proposals for the Smart Export Guarantee (SEG) |
Jun-19 |