Archives: Technical Publications

Download PDF The rapid adoption of electric vehicles (EVs) has driven significant changes in electrical installation design, particularly in relation…

Learn what MCBs are, how miniature circuit breakers work, and how they protect electrical circuits from overloads and short circuits….

Download PDF We have witnessed an increase in reports from several well-informed installers relating to Type B devices that do…

Download PDF Distribution switchgear to BS EN 60947-3 defines the requirements for low-voltage switchgear and control gear, specifically switches, disconnectors,…

Download PDF As electrical installations evolve, particularly with the rise of variable-speed drives, inverter-based appliances, and complex electronic loads, the…

Download PDF Update your Safety Policy / Site Specification to comply with essential safety requirements for machines containing Variable Speed…

Download PDF Does your HVAC installation comply with Electricity at Work Regulations? HVAC Equipment containing 3 phase frequency inverters (VSD)…

Download PDF Do Users comply with essential safety requirements when they install and use packaging machines containing VSD associated with…

Download PDF Solar Power Installations – Do you know what type of RCCB to use and why? Do I need…

Download PDF 18th Edition BS7671: Consumer Units and RCDs Type AC residual current protection has been applied in UK domestic…

Download PDF EV Charging RCD Selection – Revised Safety Requirements 18thEdition The 18th Edition Regulations for EV installations Section 722,…

Download PDF IEE Wiring Regulations – For premises / special locations with harsh environments see Part 7: 702 – Swimming…

Download PDF Selecting the correct Type of RCD – 18th Edition BS7671 In the UK, residual current protection has been…

Download PDF Fire Protection – Have you specified the right type of RCD? Government statistics indicate that changes to Fire…

Download PDF Solar Inverters incorporating RCM units – Why do you need an RCD as well? CHAZ ANDREWS OF DOEPKE…

Download PDF Residual current analysis system – DRCA 1 Measurement of leakage and residual currents Current and frequency analysis Long-term…

Download PDF Specifying residual current protection for the safety of people, plant, premises and continuity of supply. The complex loads…

Download PDF Pumping/VSD Installations – What do you do about RCCB Protection? To safely install pumping equipment containing VSDs and…

Download PDF Energy Saving Installations – RCD Safety The complexity of present-day electrical installations found in many domestic, commercial and…

Download PDF Green Technology – RCD Specification Domestic, commercial and public buildings designed to meet the latest energy standards can…

Download PDF Mode 3 Charging: RCDs – Considerations for Installation Approval Mode 1 and 2 charging were never intended to…

Download PDF RCD Testing 18th Edition Basics Understanding the basics, helps us make reasoned decisions. In practical situations and under…

Download PDF 18th Edition – Type F RCD, Deep Dive A recent discussion with a customer, highlighted that apart from…

Download PDF 18th Edition 722 Amendment 1: RCDs & RDC-DDs Requirements Effective RCD protection for an EV sockets relies on…

Download PDF Applications for inverter speed controlled water pumps associated with RCD protection, can be challenging even for Companies and…

Download PDF BS7671:2018 Amd 2 Heat Pumps – Type F or Type B RCDs? Inverter speed controlled pumps and compressors…

Download PDF The similarity between different residual current Protection devices, the different Types, and devices that do not offer protection…

Download PDF Chaz Andrews Doepke Technical Manager – Outlines key points and selection possibilities when connecting RCDs in series for…

Download PDF Chaz Andrews Doepke Technical Manager – Outlines key differences between RCMs and RCDs. This article is aimed at…

Download PDF This article covers a number of recent discussion topics with customers, relating to testing different Types of RCD….

Download PDF Chaz Andrews Doepke Technical Manager – Outlines key points related to equipment designs that utilize contactors in functional…

Download PDF BS7671 Amendment 2: – Emergency Stop or Switching Off for EV installations? Chaz Andrews technical manager at Doepke…

Download PDF BS7671 Amendment 2-704 RCD Protection: Construction and demolition site distribution boards – hidden danger UK construction – It’s…

Download PDF BS7671 Amendment 2 – 722 Mode 3 chargepoint standards? EV Installers are responsible for checking that equipment and…

Download PDF BS7671 Amendment 2 – Heat Pump Installations: Regulation 531.3.3 Are you involved directly with Heat Pump (HP) installations…

Download PDF If you are involved in the regular installation of DC fast chargers (Mode 4), you will already be…

Download PDF RCCB suitable for HP application. Marking the RCCB with HP symbol aids identification on site. Heat Pumps (HP)…