Re: Cost of electricity for light dimmer

From: Zarbol Tsar (zarbol_at_tsar.net)
Date: 10/26/04 

Date: Tue, 26 Oct 2004 19:44:27 +0100

On 26 Oct 2004, someone wrote:

> "Zarbol Tsar" <zarbol@tsar.net> wrote in message
> news:958EC1ABA20251D7E@130.133.1.4...
>> I have an ordinary room lamp. In the mains lead of the lamp
>> there is a dimmer device. It is continuously variable from
>> very dim to full strength.
>>
>> If I set the dimmer to give me a dim light then do I pay less
>> for the electricty than if I used the light bulb at full
>> strength?
>>
>
> Yes, but you pay more than you would by using a lamp of lower
> wattage.
>
> For example with a 100 watt bulb, and the dimmer set to deliver
> 50 watts, the lamp may give out approximately the lumens
> equivalent to a 25 watt bulb.

Do you mean that if the dimmer is set at its midpoint to 50 Watts
(insted of the full power of 100 Watts) then I pay only for 50 Watts
consumption?

Relevant Pages

  • Re: Cost of electricity for light dimmer
    ... >> I have an ordinary room lamp. ... >> there is a dimmer device. ... > equivalent to a 25 watt bulb. ... Do you mean that if the dimmer is set at its midpoint to 50 Watts ...
    (sci.electronics.basics)
  • Re: Cost of electricity for light dimmer
    ... but you pay more than you would by using a lamp of lower ... >>equivalent to a 25 watt bulb. ... > Do you mean that if the dimmer is set at its midpoint to 50 Watts ... Wescott Design Services ...
    (sci.electronics.components)
  • Re: Cost of electricity for light dimmer
    ... but you pay more than you would by using a lamp of lower ... >>equivalent to a 25 watt bulb. ... > Do you mean that if the dimmer is set at its midpoint to 50 Watts ... Wescott Design Services ...
    (sci.electronics.basics)
  • Re: Can I put a coffee warmer on a dimmer switch?
    ... Voltage Squared divided by the Resistance of the load  applies. ... resistance heater, yes, most likely the dimmer will work fine. ... amps (That's 1725 watts!) sounds a lot more powerful than a 'warmer'. ... That's sounds more like a kettle, to 'make/brew' tea or coffee! ...
    (alt.home.repair)
  • Re: Can I put a coffee warmer on a dimmer switch?
    ... Voltage Squared divided by the Resistance of the load  applies. ... resistance heater, yes, most likely the dimmer will work fine. ... amps (That's 1725 watts!) sounds a lot more powerful than a 'warmer'. ... That's sounds more like a kettle, to 'make/brew' tea or coffee! ...
    (alt.home.repair)