In summary, the new sockets that have fitted must have RCD protection and the kitchen fitter or second electrician should have fitted an RCD if you did not already have one and issued a second certificate for the extra sockets. It is the view of the forum that any decision to omit RCD protection should not be taken lightly. CHANGES TO REQUIREMENTS FOR RCD PROTECTION OF SOCKET-OUTLETS Editor's note: references to the 'current' version of BS 7671 relate to BS 7671:2008(2011), i.e. BS7671 states for Additional Protection [415.1.2] - "The use of RCDs is not recognised as a sole means of protection and does not obviate the need to apply one of the protective measures specified in Sections 411 to 414." Amongst contractors and consultants, a great deal of this debate has focused on the issues relating to RCD protection of socket outlets. For new installations and rewires, all socket-outlets with a rated current not exceeding 32A need to have additional protection by RCD, except where other than for an installation in a dwelling, a documented risk assessment determines that the RCD protection is not necessary. For low voltage circuits, regulation 5.24(2) requires the earth leakage protection device to operate at an earth leakage current not exceeding 1 A. These regulations ensure that all circuits within a domestic installation should be provided with additional protection via a 30 mA RCD which can either be through the use of RCCBs which provide additional protection to multiple circuits, with overload protection provided by the individual circuit breakers. - These methods being methods of protection against shock - ADS, Double Insulation, Separation & SELV/PELV. This can be achieved by use of a 30mA RCD in an AC circuit. “For protection against electric shock” In commercial and industrial environments, all 32 Amp outlets and below need to be protected by an RCD. IET » Wiring and the regulations » RCD Protection. As stated in the regs section 411 this is a primary condition of designing a circuit for ADS (EEBADS) A residual-current device (RCD), residual-current circuit breaker (RCCB), or ground-fault circuit interrupter (GFCI) is a device that quickly breaks an electrical circuit to prevent serious harm from an ongoing electric shock. as new appliances are introduced to the market; the selection of the RCD will be verified with reference to the residual currents that may be generated by the appliances. … IEC/TR 60755 ed 2 – General requirements for residual current operated protective devices; IEC/TR 62350 – Guidance for the correct use of residual current-operated protective devices (RCDs) for household and similar use; Go back to RCD types ↑ Reference // Protection against earth faults with Residual Current Devices by ABB Regulation 411.3.3. Residual current devices (RCDs) RCD, RCCB & RCBO. RCD Fact Sheet. There is an exception to omit RCD protection where, other than a dwelling, a documented risk assessment determines that RCD protection is not necessary. Landlords must comply with statutory regulations or face significant risks . This Guide is intended as a practical guide for designers, specifiers and installers to enable them to comply with surge protection requirements in BS 7671: 2018 IET Wiring Regulations 18th Edition. A new Regulation 411.3.4 requires that, within domestic (household) premises, additional protection by an RCD with a rated residual operating current not exceeding 30 mA shall be provided for AC final circuits supplying luminaires. Residual Current Devices (RCD) these are switches that trip a circuit under dangerous conditions, and instantly disconnect the electricity. Topic Title: RCD Protection Topic Summary: When carrying out an EICR Created On: 12 November 2015 08:18 pm Status: Read Only : Linear: Threading: Single: Branch: 1: 2: Next: Last unread: Search Topic. Regulation 531.3.3 covers general application areas and futureproofs the Regulations regarding RCD protection i.e. One of the major changes to the AS/NZS 3000: 2018 is the Residual Current Devices (RCD) requirements for the protection of sub-circuits and relating alterations and repairs (clause 2.6.3.2.3). Refer to the Appliance Manufacturer's instructions. Directives & Regulations. The designer must produce a risk assessment which determines that RCD protection was not necessary and justify their reasoning, possibly in a court of law, if someone is killed or injured as a result of RCD protection being omitted. As a result, under normal conditions it is not possible to touch the live parts of the installation or equipment inadvertently. Additional protection by an RCD is also not required if certain requirements for mechanical protection are met, as stated in the notes to Figures 1 and 2, or if the cable forms part of a SELV or PELV circuit meeting the requirements of Regulation 414.4. Or rather, a flat completed (first sold) in Sep 2007, with no RCD protection for anything - would that have complied at the time. BEAMA guide to Surge Protection Devices . They constantly monitor the electric current flowing along a circuit. RCD Protection. Under the new regulations an installation is required to incorporate one or more RCD… K. Wiring query for external light. Reply to RCD Protection for submains in the Electrical Forum area at ElectriciansForums.net. U. EICR unsatisfacory. as new appliances are introduced to the market; the selection of the RCD will be verified with reference to the residual currents that may be generated by the appliances. This area is here for information purposes. This must be achieved in the context of safe touch voltage limits (i.e. To be electrically safe it must be tested every 5 years and reach a "Satisfactory" status. Protect your intellectual property in the European Union. Designers and installers should obtain their own copy of BS7671:2018 and follow the requirements and recommendations in the 18 th Edition of the IET Wiring Regulations.. Order your copy here. The Zs could be measured against the maximum permitted for an RCD as per table 41.5 as it is unlikely that you will achieve the … Topic Tools. It would in my view be reasonable to use RCD socket outlets in many cases so as to limit the consequences of earth leakage to a single item of equipment. Don’t take the risk – get a modern Consumer Unit with RCD Protection fitted today. This version is current until 30 June 2015. As noted in Clause 411.3.4, this has now been updated to apply to socket outlets up to 32A and lighting circuits within domestic premises. 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