Practical guides
Sourced answers to the questions our customers ask most often, written by a licensed electrician in Luxembourg. No jargon, up-to-date rules, and what you can do yourself before calling.
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Breaker tripping guide
The breaker keeps tripping: what to check yourself, and when to call
A breaker that trips is protecting your installation, not failing. In most cases five minutes of method are enough to identify the circuit or appliance at fault and restore power safely. This guide tells you what to look at, in what order, and above all when to stop.
Updated 20 September 2026 · 6-minute read
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Klimabonus charger guide
Klimabonus 2026 for an EV charger: who, how much, how
Since 1 January 2026 the State refunds half the cost excluding VAT of a private charging point, up to €1,200 for a smart charger. Owner or tenant, house or apartment building: here are the conditions, the amounts, the documents to gather and the mistakes that get an application refused, based on the scheme published on guichet.lu.
Updated 20 September 2026 · 6-minute read
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CNPD CCTV guide
CCTV in Luxembourg: what the CNPD actually requires
Since 25 May 2018 you no longer need CNPD authorisation to install cameras. In return, the GDPR makes you accountable for every choice: framing, signage, retention, access to footage. This guide sums up the CNPD guidelines, updated on 10 April 2024, for a household, a business or a co-owned building.
Updated 20 September 2026 · 8-minute read
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