Question about Linksys Wireless-G WRT54G Router

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Need to know voltage needed for wrt54g Linksys wireless router

I have a box full of different wall plug transformer and do not know which one or what voltage I need to power it.

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The stats on my adapter are as follows:
.5V 2.0A

Posted on Feb 23, 2009

  • Ian Gamble Feb 23, 2009

    My mistake, it's actually 5V 2.0A



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Wall socket power (high voltage) is known as AC (Alternating Current). Battery power (low voltage) is known as DC (Direct Current). Transformers are electrical converters that change AC input to DC output or DC input to AC output. This is required to charge or to supply mains power for most portable devices that use batteries when not plugged in, or devices that do not have batteries but still require DC power input. Examples of such devices are laptops, phones, tablets, printers, print servers etc. A transformer for your print server is most likely a black box in line with the power cable. In this case you will need a new power cable which will include the transformer. Some transformers are within the device itself with a power socket in the back of the device. If this is the case then replacement of the transformer (or sometimes the whole device) is required depending on the price of parts, sometimes replacing the whole device is cheaper.

Jan 15, 2014 | Lexmark N5 (12J0020) Print Server

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Resetting a tripped kitchler low voltage transformer

Model number is not known.
I did not know that Kitchler transformers have a circuit breaker.
Usually they have an override switch.
Did you set the timer to override, what does your product manual say?
Is the transformer humming? Kitchler transformer are supposedly non-audible, but there should be some indicating sound. The humming sound indicates the transformer is working.
Does the unit have photoeye? Cover photoeye with black tape.
Test outlet with circuit analyzer.
Check outlet voltage: if you have 120Volt then output is 10% or 12Volts. If you have reduced voltage, then output is still 10% but might be lower than needed to operate bulbs.
Plug timer into different outlet.
Test output terminals with low voltage tester.
Did you have power outage or nearby lightning strike? Transformers are not protected from surge.
Suggest you contact kitchler. website is useless
7711 E Pleasant Valley Rd
PO Box 318010
Cleveland, OH 44131
Kitchler products are probably warranted through the seller.
Kitchler product manuals are almost non-existent.
Scan your product operating manual and parts list into .pdf format and post on web for others to access.

Aug 09, 2012 | Hardware & Accessories

1 Answer

It came with a american plug and when we put a converter to australian plug on it it only shows 220w instead of 240 which is what we have in australia. Don't want to plug it in and it blow up on me.

I think you mean 220 volts, versus 220 watts. The difference between 220 & 240 volt equipment is usually just a matter of nomenclature -- no significant difference in terms of operating the equipment.

The vacuum is 110 / 120 volt since it has an "American" plug on it. If the plug is swapped for an "Australian" plug (or adapted) and plugged into the wall, the vacuum will be connected to 220 volts -- this would destroy the motor.

You would need a transformer to step down the Australian voltage to 110 / 120 volts. If you plug it in without a transformer, it will surely burn up the motor.

More info, let me know.


Mar 30, 2011 | Vacuums

1 Answer

Audio video control centre. digatal delayed surronds,model no str-d350z was plugged into wrong voltage,part burned out,can you help

You have not specified the make/model. But if you set is having the transformer as the case may be, and you have plugged into the 220volt with the 120 volt settting, then the transformer would have burned off. If so identify the secondary voltage of the DC cicuit and use a 220volt transformer to replace. If you are not able to identify multiple tappings then you must get the primary of the burned tranformer wound for 220volts. If at all this is aSMPS unit then you will need to replace the full unit as the ratings inthe power will be different.Since you have not specified details of voltage and ratings,I am not able to advice more. Hope you decide. Good day

Jul 23, 2010 | Sony Electronics - Others

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Printer will not power on

Check that the corded power supply is plugged into a live receptacle. Verify by using a lamp with a light bulb to see that it lights before plugging power cord into the wall.

Check that the connection at the printer is ok.

Push the power button, and if nothing happens, you might have a bad transformer either on the cord or in the printer itself, depending on the design.

One can double check by getting a spare power supply transformer or cord and trying it.

Or else, a multimeter should show the voltage printed on the power supply or printer. Check that the voltage is within specifications when plugged into the wall whether it is AC or DC voltage.

Jul 04, 2010 | HP Office Equipment & Supplies

1 Answer

I need the input voltage for ac adapter for my GE 98903 2.1 Pro Speaker System

The AC adapter input voltage is 120 Volts AC as it plugs into a wall outlet. I suspect you want to know the output voltage of the transformer. If you have the old transformer the output voltage is listed on the transformer top. May be hard to read but it is there. This system is also sold under then brand name Jasco. The Input voltage of the system should also be printed next to the power connection or on the speaker itself.

Nov 11, 2009 | Cars & Trucks

2 Answers

I need to change the transformer inside the power supply. can you tell the the output voltage?

You need a meter to test the voltage else check the manual or normally it is written on the transformer about power,voltage and current.Hope this helps.

Jun 25, 2009 | Polycom SoundStation Accessories:...

1 Answer

No Power

Usually there is no fuse in the printer itself. The big block that you plug into the wall is actually a transformer. It converts the 120V power from the wall outlet to a much lower voltage and also converts it to DC power.take the plug in end with the cube transformer in it and bring under a good light and it will read the specifications about that power converter. What sometimes happens is that the transformer inside that cube fails (through various causes) and thus produces no voltage or the wrong voltage. Take the plug with you to an electronics store of your choice and they will direct you to a universal 120AC to a DC transformer (it will have various settings and various plug adapters) and then follow the instructions to match the voltage on the old power converter. I hope this helps you out.

Jun 04, 2009 | HP Photosmart 3210 Printer

2 Answers

No power to my router

Check the wall outlet for power, using a lamp or such. If you can get a multi-meter, set the meter to Volts-DC between 12 and 20. Plug the power supply into the wall outlet and test the other end for voltage. The power supply should tell you its output so the reading should be more than a couple of volts. If it is less or ZERO the power supply is dead. If it has power, then open the router and check for a fuse. If the fuse is dead, replace. If there is no fuse or the fuse is OK then the router may be dead. Best of luck.

May 29, 2009 | Linksys Wireless-G Broadband Router

1 Answer

My thermostat has no power. the wires to it has no power. The fuses on the heater chip board are okay. What else can I do? Where can I locate the transformer to the A/C/Heater?

in the control box to your furnace or air handler, there should be a transformer near careful though, it has high voltage going to it though.just follow the high volt wires, the large ones,from the wall plug to the machine, into the control box to the transformer or the fuse chip board.the big black wire will go to terminal L1 at the board and the white wire will go to nuetral at the board.unplug your wall cord first so you won't get shocked. it is hard to see into the control box and board connections.also, plug a light or lamp into he wall socket to see if you have 110volts to the plug.

do that for a split airhandler wont have a wall will have a disconnect box with fuses in is also 240volts so be carefull.

Dec 29, 2008 | Amana Heating & Cooling

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