120VAC LED bulbs - double check wattage

[3930dave]

I was in Costco today, checking out PAR30 wet location bulbs.

The Luminus one I looked at is packaged promoting it as a 10 watt bulb.

The bulb is actually labeled 120VAC , 125mA. So it appears that here (Canada) these bulbs can be marketed based on the wattage the LED element itself consumes, vs. what the whole bulb uses.

I realize that in many residential settings, 10 watts vs. 15 watts is not the end of the world ..... I just get irked when I see misleading advertising.... esp. when it is off by 50%.

P.S. - I do like and use LED lighting; I'd just prefer to see more accurate consumer labeling.

Rgds, D.

 

[davesl708]

I agree. It such a hassle to scrutinize every product to see how misleading the marketing is.

 

[Zerk]

Lights have gotten funny with how they use wattage. Usually they use it luminar rating.

But in the scheme of things, 5 watts doesn't matter.

 

[3930dave]

But in the scheme of things, 5 watts doesn't matter.

Agreed, in the context of residential lighting.

Funny how auto manufacturers have been hit with big fines for fudging mpg #'s way less than that though.

Rgds, D.

 

[k0ua]

Agreed, in the context of residential lighting.

Funny how auto manufacturers have been hit with big fines for fudging mpg #'s way less than that though.

Rgds, D.

Yeah, your car gets 20MPG when it is advertized to get 30MPG? Shouldn't be a problem for anyone.

 

[Zerk]

I think looking at this with percentage is a bit misleading. The significance of 10 mpg is alot different then 5 watts.

 

[Zerk]

ISo it appears that here (Canada) these bulbs can be marketed based on the wattage the LED element itself consumes, vs. what the whole bulb uses.
.

What is consuming power other then the element in a light bulb?

 

[Soundguy]

We use 5w e12base torpedo , dimmable, led lamps where I work.

I see many packages show actual usage and also show a comparison to a tungsten element output/ consumption

 

[3930dave]

What is consuming power other then the element in a light bulb?

Inside an LED bulb there is a power supply that drops the high-voltage AC down to current-regulated DC. One way to cut cost is to design a less efficient power supply.

Rgds, D.

 

[Soundguy]

What is consuming power other then the element in a light bulb?

3930dave answered your question.

And yup, power supply design makes a difference. Some bulbs were not meant to be dimmed, etc.