New electrical appliance with wrongly colour-coded flex

[JTM]

When the lights change to amber how long before the red? It's not apparently a constant, and can vary from one junction to another, while the 5 second countdown means that red will appear in 5 secs. . . 4 secs. . .3 secs

[dennis]

Well yes, its normally set to allow you to stop from the speed limit with ease.

Ahh yes, "I have three seconds left I had better give it some wellie".