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Old 11-07-2009, 06:55 PM
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Default Electrical Answers
I will start this thread with the intention of trying to answer reasonable questions ...

I will appreciate help from qualified electicians .

Haha ....I don't want this to be a full time job .... so please allow time for me to get back to you .


If you are not comfortable with electricity ...... call a qualified local electrician .

Remember that electricity CAN and DOES ..kill people .. even 110 Volt


Let me start with this :


Problem : I want to have 2 -1000 W lights, a 250 Watt fan and two 40 W cfl lamps .. how much power do I need ?

Answer: Watts = voltage x Current

So: 2 x 1000 Watts = 2000

+ 250 W (fan)...... =2250 W = + 80 W (cfl's)..... =2330 Watts

2330W/ 120 V =18.58 A

However : Voltage fluctuates .... what may be 117 V in the morning.. may be 113 in the afternoon

Using 110 as a minimum Voltage and using it for calculation purposes..

2330W / 110V = 21.18amps


If ballsast can be wired for 220/240

and you can suply a 220/240V circuit ..

then 2000/220 =9.09 amps

and : 330 Watts of fans and lights = 330W/110 V =3 amps



OK ... Fire away ...
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Last edited by Roland; 11-07-2009 at 07:21 PM..
 

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amps, answers, electrical, voltage, watts

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