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Recent electrical questions

If i convert a 48v 10AH LifePo4 battery to 12V 10AH using a

If i convert a 48v 10AH LifePo4 battery to 12V 10AH using a voltage reducer, will i get more Amp Hours (AH)?

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Kevin

Supervising Electrician

Diploma

 
4,062 satisfied customers
Following up on your 3 speed fan switch answer to , I

Good Morning Jason,Following up on your 3 speed fan switch answer to Roy, I wondered if you know the color coding for the wire set up when replacing the switch. For instance, on my fan, AC-552 (LP-113) "T", I have a black, gray, dark purple, and brown.I've unplugged the loom so I can work on it better in hopes somebody would have the color code.Thank,Rod

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Kevin

Supervising Electrician

Diploma

 
4,062 satisfied customers
I have a 3 speed ceiling fan with lights. The lights work

I have a 3 speed ceiling fan with lights. The lights work fine but the fan will only work on high speed. What's the most likely problem? The 3-way switch?, the motor? or something else?

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Kevin

Supervising Electrician

Diploma

 
4,062 satisfied customers
I have an electrical box with four pairs of wires coming in

I have an electrical box with four pairs of wires coming in and two switches. One of the switches controls an outside light and the other switch controls the first outlet in a series of outlets. I do not believe there is any three-way switch scenario here. I have a labeled photo that shows the style of switch as well as the four pairs of wires as it stands right now, all pulled apart into their pairs.

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Mike G.

Master Electrician

Vocational, Technical or Trade Scho

 
9,080 satisfied customers
I have a Hampton Bay pendant light from home depot. I am replacing

I have a Hampton Bay pendant light from home depot. I am replacing an older lighting fixtures. I am trying to make sure that I match up the polarity with the current wiring and the light fixture wiring. Which wire is the neutral wire? There was a piece of white tape on the end of one of the wires but this wire was not marked in any other way. The other wire was marked with lettering which I believe should be the neutral wire and the wire with no lettering should be the live wire. I have wired thelettered wire to the the neutral and the unmarked (but did have a piece of white tape on it) to the live wire. I also connected ground wire. Can you let me know if this is correct or should the wiring be reversed? There is nothing in the instructions.Thank you,Bill ***@******.***

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Kevin

Supervising Electrician

Diploma

 
4,062 satisfied customers
I am installing a ceiling fan instead of a ceiling light.

i am installing a ceiling fan instead of a ceiling light. in the ceiling i have two black, two white and two ground wires. in the ceiling fan, i have blue, black white and ground. when i hooked up, the light worked, but the fan did not.JA: Sometimes electrical issues that that you think will be really complicated end up being easy to fix. The Electrician I'm going to connect you with knows all the tricks and shortcuts. Is there anything else important you think the Electrician should know?Customer: there is no unused wire in the switchboxJA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Electrician about your situation and then connect you two.

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Kevin

Supervising Electrician

Diploma

 
4,062 satisfied customers
I have a 72watt 10v-30v 5000 lumen led light that i want to

i have a 72watt 10v-30v 5000 lumen led light that i want to hook up on my boat... which has a 12v 24ms marine battery... if i add another 12v 24ms battery and hook this led up to 24v will i be getting more than 5000 lumens?

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Certified Journeyperson Electrician

 
30 satisfied customers
How do I test how many amps a transformer actually puts out?

How do I test how many amps a transformer actually puts out?I need to validate the 200 mA @ 24 VAC claim on a Transformer. I have some resistors but I don't know how to proceed with the wiring. I'm an ME so my electrical knowledge is very limited. Help anyone?

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Mike G.

Master Electrician

Vocational, Technical or Trade Scho

 
9,080 satisfied customers
I live in Saudi Arabia, in a 30 year old villa, originally

I live in Saudi Arabia, in a 30 year old villa, originally built to US standards. The lighting is all 110V. When I moved in (12 years ago), half of the sockets were 110V, and half were 220V. Due to the absence of professional domestic electricians in Saudi Arabia, it is likely that many electrical changes in my property were performed by unqualified individuals.I managed to find and call a professional electrician (since left the country) and had all the sockets changed to 3-pin, UK standard, with 220V, and earthed.When the electrician put the multimeter across live and neutral within the socket, it showed 220-240V. When he put the multimeter across neutral and earth, it showed 120-130V. He said this is because he has used 110V lines to create 220V voltage. When I used my Fluke socket tester, it showed 'Missing Earth', but he said the sockets are earthed, but not showing as such because of the 110V lines used to create 220V.Now, when I touch a tester to the washing machine or dishwasher, it lights up. When I touch the cooker, I can feel small vibrations, which vanish when I disconnect the cooker from the electricity.I called another electrician, who said this problem is because I have 110V (for the lights) and 220V (for the sockets), coming from the same breaker panel.He is suggesting that we disconnect the earth wire from each socket and provide earthing in each socket using the socket screw.Alternatively, he says we clamp an earthing wire to the water pipe or install a grounding rod.I thought that in Saudi Arabia, earthing is provided by the electrical company through the main supply box, outside the house.I am confused, as I am not sure if this electrician is correct, and what I should do do resolve this.

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Kevin

Supervising Electrician

Diploma

 
4,062 satisfied customers
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