Could/Should a uk domestic dwelling need a 10kA breaker in the future

Could/should a UK domestic dwelling need a 10kA breaker in the future, especially with the rise of high-power EV chargers or heat pumps, as these additions can increase potential fault currents (PSCC) beyond what a standard 6kA breaker can handle, making 10kA a safer, "future-proof" choice for new installations or upgrades, even if 6kA is often sufficient for basic setups



As always please be polite and respectful in this purely academic debate.





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  • I would say no. Not with the forthcoming black and brown-outs we will soon be experiencing due to Net Zero. Demand will be reduced and measures will be introduced via your smart heat pump and car charger aps whereby neither will be permitted to connect at the same time. Cooking times and electric shower times will also be controlled and rationed. The data centres will take priority over demand from domestic consumers because the computers will be working overtime to provide AI answers to Ministers as to why the population is kicking off,. and all of the energy will be needed to power all those cctv cameras and electric panda cars to police the civil unrest which will ensue.

    Happy 2026

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