Uploaded July 2026 | Updated September 2026, 3 weeks ago

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We're installing the Theben OKTO540, an electronic switching relay that replaces traditional two-way and intermediate switching with a much simpler approach. Just twin and earth to every switch position, no three-core required.

Less cable. Less complexity. Smarter switching.

Learn More 👉 hub.efixx.co.uk/ThebenOkto540

Watch The Full Review 👉 youtube.com/watch?v=-jpaatcR4Nk

#Electrician #LightingControl #ElectricalInstallation