Understanding Power Consumption


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Old 08-27-16, 09:50 PM
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Understanding Power Consumption

2D Energy Saving Torchiere 250 Fluorescent Light Bulb - #04389 | www.lampsplus.com

I'm trying to understand power consumption. Specifically max wattage per outlet. On the above light bulb, if I am using it on a floor lamp does it mean the lamp is drawing 55 watts from the outlet? What is the max advisable per outlet? For clarification, 1 outlet is two recepticals or your basic wall outlet that can take two plugs.
 
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Old 08-27-16, 10:12 PM
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Pretty cool replacement bulb. Those torchiere fixtures have long been a hazard with the exposed quart tubes.

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That bulb assembly draws 55 watts of power from your receptacle.
With a standard 15A circuit you can connect up to a maximum of 1800 watts of items on the circuit.

Usually 1500 watts is the maximum that should be connected at one time. You can connect one 1500 watt device to that circuit or 6 devices totaling 1500 watts.
 
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Old 08-27-16, 10:12 PM
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55 watts is less than half an amp. The receptacle is good for fifteen amps or more then thirty times what the bulb draws.
 
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Old 08-28-16, 06:26 AM
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Any one receptacle can (should) allow a draw of up to 15 amps (1800 watts @ 120 volts) for short periods of time or 12 amps (1500 watts) for long periods of time (over 3 hours).

But all the receptacles and lights together on any one circuit may draw at most 15 amps for short periods of time or 12 amps for long periods of time. (A little more for 20 amp circuits, using 12 gauge wire.)

Difficulty at these wattage loads (such as unnatural dimming, most noticeable with incandescent lights), would probably mean a problem with the circuit or receptacle such as a loose connection.
 
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Old 08-28-16, 06:37 AM
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You might be saving a lot of energy by changing these bulbs. In California the reduction in your bill could be noticeable because the rates are high.

A typical halogen Torchiere bulb is 300 watts (the lamps are outlawed in CA). 55W is quite the savings.
 
 

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