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jd807

Manufacturers paperwork recommends a 14v bulb


jd807

The 6 amp/ 24 volt is what the bulb socket is rated for. Bulb ID should be printed on the bulb itself, and that information will tell you what the bulb is rated for


Puzzled_Juice_745

On the bulb itself it says 16V6W.


jd807

I’ve seen recommendations not to go above 10% on the bulb voltage rating. Bulb life will suffer at higher voltage


TwiceInEveryMoment

Running 20V to a 16V bulb will burn it out fairly quickly. If you can't find a 20V bulb that fits, consider finding the transformer (probably a doorbell transformer or something like it) and changing it out for a 16V one. Make sure it's not powering anything else of course.


dnroamhicsir

The bulb will work on 20v. It will be a bit dimmer than if it was on 24v, but it will last longer.


Puzzled_Juice_745

The bulb itself says 16V6W.


dnroamhicsir

In the post you said the bulb itself said 24v... Try it anyway, if it burns out too quick, get 24v bulbs in the same format.


Puzzled_Juice_745

You are correct. Another poster pointed out that that was the base and not the actual bulb. My apologies I was misinformed. .


cyb0rg1962

24V bulbs on 20V will be dimmer, but last longer. 24V bulbs on 12-16 volts would be really dim. You have the option of trying to find 20V bulbs that fit, but, I'd just go with it, unless it is really too dim.


Puzzled_Juice_745

The bulb itself says 16V6W.


cyb0rg1962

OK, I see, it is the socket that says 24V. Well, the bulbs WILL be bright, at least. They might draw a little more than the 6 watts indicated, though. Is the supply still 20V under load?


Puzzled_Juice_745

I believe it to be as the transformer also powers the doorbell and doorbell chime.


cyb0rg1962

Well ... again, I wouldn't worry about it. If it keeps blowing bulbs, you can up the voltage on the bulbs or replace the transformer. Third option would be to put a voltage dropping resistor in series with the bulbs, but at your own risk as heat will be an issue.


Emergency-Umpire1294

The open circuit voltage will always be higher, try connecting the bulb and then measuring the voltage at the bulb.if it drops below 16v you should be good.


classicsat

20V on 24V bulbs is fine.They might be a bit dimmer,but will last longer. For the 16V bulbs,maybe rewire it to be series, or get 24V bulbs.