Practical engineering guides, calculators and project notes covering electrical design, control systems, hazardous areas, IEC 62443, OT cyber security and industrial automation. https://jonnywilson.co.uk en-us Mon, 13 Jul 2026 00:00:00 GMT Jonny Wilson Jonny Wilson What a hazardous area is, why it matters, and how zones, Ex equipment, and competent design work together. https://jonnywilson.co.uk/blog/2026-07-13-hazardous-areas-practical-beginners-guide https://jonnywilson.co.uk/blog/2026-07-13-hazardous-areas-practical-beginners-guide Mon, 13 Jul 2026 00:00:00 GMT Jonny Wilson hazardous-areasexplosive-atmospheresexelectrical-designdsear A practical guide to BS 7671 from an electrical design engineer's perspective, covering design inputs, load assessment, cable sizing, protection, earthing, verification, and documentation. https://jonnywilson.co.uk/blog/2026-07-13-18th-edition-wiring-regulations-design-engineers-guide https://jonnywilson.co.uk/blog/2026-07-13-18th-edition-wiring-regulations-design-engineers-guide Sun, 14 Jun 2026 00:00:00 GMT Jonny Wilson electrical-engineeringbs-767118th-editionelectrical-designcable-sizingprotection A practical guide to IEC 62443, the NCSC Cyber Assessment Framework, UK cyber law, zones and conduits, network segmentation, secure remote access, industrial firewalls, asset management, patching, and cyber security across the engineering lifecycle. https://jonnywilson.co.uk/blog/2026-05-11-industrial-cyber-security-for-uk-design-engineers https://jonnywilson.co.uk/blog/2026-05-11-industrial-cyber-security-for-uk-design-engineers Mon, 11 May 2026 00:00:00 GMT Jonny Wilson industrial-cyber-securityoperational-technologyiec-62443ncsc-cafnetwork-segmentationcontrol-systemsscadauk-engineering