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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.

Technical Bulletins

Date Created
   
Technical Bulletin - Electrical Safety in the private rented sector May 2020
Police Operational Advice and Security Industry Requirements for Response
to Security Systems
Apr 2020
Technical bulletin BIM Feb 2020
BS 7671: 2018 Amendment 1 Feb 2020
LED lights and circuit breaker selection Jan 2020
Power over Ethernet (PoE): 2019
Power over Ethernet (PoE) technology with capacity for power and data on
ethernet cable is increasing. The Lighting and IoT Industries amongst others are
increasingly adopting this technology. The IEEE Standard Association amended
and published IEEE 802.3bt-2018 on 31-01-2019.
Sept 2019
Internet of Things Security: 2019
Power over Ethernet (PoE) technology with capacity for power and data on ethernet
cable is increasing. The Lighting and IoT Industries amongst others are increasingly
adopting this technology. The IEEE Standard Association amended and published
IEEE 802.3bt-2018 on 31-01-2019.
Jun 2019
G99 technical bulletin 2019
ENA has published new forms replacing notification to DNOs for Power Generation Modules.
Jun 2019
Technical Bulletin - Working in the Republic of Ireland
Common questions and answers for Members working in the Republic of Ireland
Jun 2019
Technical Bulletin - AFDD and Sleeping Accomodation
Explanation of definitions related to sleeping accommodation.
Jun 2019
Technical Bulletin - Smart Export Guarantee (SEG) Announcement
UK Government publishes proposals for the Smart Export Guarantee (SEG)
Jun 2019
BS 5939-6: 2019
April 2019 saw an update to the Standard for domestic fire detection and fire
alarm systems.
Apr 2019
Departures from BS 7671 Aug 2018
Cable Supports Aug 2018
RCDs and Socket Outlets Aug 2018
Selectivity & Desk Studies Aug 2018
Energy Efficiency BS 7671 Aug 2018
RCD Types & BS 7671:2018 Aug 2018
Cross-sectional Area of Neutral Conductors
Best practice advice based on one of the most frequent technical enquiries.
Jun 2018
Wiring Accessory Replacement
This technical bulletin addresses the questions about wiring accessory replacement
and provides best practice guidance which can be applied to both commercial and d
omestic locations.
Feb 2017
Joining Dissimilar Metals
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 2017
Electrical Installations After a Flood or Fire
Floods and fires of any magnitude can have detrimental effects on any electrical
installation. This bulletin provides property professionals with clear advice on recognising
these potential dangers.
Jan 2017
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 2017
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 2017
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.
 
Use of YY CY SY Cables  
Technical Bulletin Surge Protection Devices  
Supplementary equipotential bonding  
Voltage Drop
Voltage drop in electrical designs and the requirements within BS 7671
 
IP Rating of Trunking
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.
 
Recording of RCD times
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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