The "light" displayed on the extension lead isn't a light per se, but a colour coded flag. Please see video and explanation attached.
Extension lead flag Print
Created by: Fernanda Almeida
Modified on: Tue, 23 Jun, 2026 at 9:54 AM
Did you find it helpful? Yes No
Send feedbackSorry we couldn't be helpful. Help us improve this article with your feedback.