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TECHNICAL MEMBER QUESTIONS


>>> Continued from page 39


Certifi cate, section 11 will require to be ticked as this installation work falls under Section 722. A model checklist for this scope of works is given in the Code of Practice for Electric Vehicle Charging Equipment Installation, 4th


given for domestic, commercial and on-street installations. SELECT will look into the feasibility and prospective demand for having these available in a SELECT format and possibly on SELECTcerts in the future.


Amendment 2 of BS 7671:2018 is due for publication on 28 March 2022. This follows Amendment 1 on section 722, electric vehicle charging, which was issued on 1 February 2020 and came into eff ect on 31 July 2020.


06


With regard to Amendment 2 of BS 7671, can SELECT provide any information on expected changes or things we should be aware of?


Edition,


which is available from SELECT. In Annex B, C and D, model checklists are


Following a draft for public consultation of Amendment 2, some 1,365 comments were received regarding its publication. These are currently being reviewed by the four JPEL/64 sub-committees and are due for completion in April 2021. The areas that received the most comments were: ● Regulation 421.1.7 AFDDs – it is proposed that AFDDs shall be mandated for socket outlet circuits in certain types of installations, namely higher risk residential buildings (HRRB), houses in multiple occupation (HMO), purpose- built student accommodation and residential homes. For all other premises, the use of AFDDs is recommended for socket outlet circuits. ● Regulation 411.3.3 RCD risk assessment – it is proposed that the option to omit RCD additional protection for socket outlets in certain locations is retained where a suitably documented risk assessment has been undertaken. ● Regulation 542.1.2.202 foundation earthing – there are proposed changes relating to the requirements for foundation earthing. ● Regulation 411.3.1.2 protective equipotential bonding – there are proposed changes to help clarify whether metallic or non-metallic pipework requires bonding and whether when required a suitable resistance test can be used to determine if the part is an extraneous conductive part. ● Other proposed changes – there are proposed changes to the model forms in Appendix 6 regarding the schedule of inspection, the circuit chart and the schedule of test results. ● Section 443 and 534 regarding Surge Protection Devices (SPDs) ● The Addition of Part 8 Functional Requirements - including chapter 82 Prosumers Low Voltage Electrical Installations.


At this point, all comments are still under review and no changes have yet been approved for Amendment 2. SELECT will update Members with any further changes.


TECHNICAL HELPLINE


Got a technical question? Our team of experienced electrical professionals are on hand to advise on every issue.


You can also email technicalhelp@select.org.uk 0131 445 9218 40 CABLEtalk APRIL/MAY 2021


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