> Lights starting up slower than a normal on/off switch is normal - it's the bulb and dimmer "negotiating", and it makes them both last longer Negotiating? So

> Lights starting up slower than a normal on/off switch is normal - it's the bulb and dimmer "negotiating", and it makes them both last longer Negotiating? Some dimmers might “adapt” and choose which style to be (leading or trailing edge), but most don’t. I think the real issue is the startup time of the power supply, especially when starting dimmed and therefore getting a horrible waveform.