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Can i safely use this power cord to power my device?

Last response: in Components
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October 3, 2012 3:37:01 PM

this might not be the right place to pose this question but i imagine that some knowledgeable person reading this can give me the right answer.

i have a benq pb6240 projector. i have lost the power cable for it. the bottom of the unit says that the AC rating is: 100-240V, 50-60Hz, 4,0A . i also have this cable that fits into the back of it perfectly [the cable is probably from an old computer monitor or something], and the cable reads: 10A 125A.

so can i power on my projector using this cable without having to be afraid of frying the machine?

thanks in advance.
a b ) Power supply
October 3, 2012 3:41:11 PM

If it requires a power block then i wouldn't recommend doing that.

If it require just a single power cable then yes it will be safe.


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October 3, 2012 4:07:34 PM

the manual states that the projector came with only a cable and no power block.

but could you care to explain how one might be able to make an assessment of safety based solely on the fact that the cable i have says 125V 10A ? [ie, im not sure what these figures mean relative to the information on the bottom of the projector ...]
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a b ) Power supply
October 3, 2012 4:15:57 PM

Thats what the plug was designed for (125VAC plug socket) and the 10A bit is how much current the fuse and wire can take.

The projector can run on either 240V or 120V at 50 or 60 Hz mains supplys.

If you are in the USA then the plug socket will run at 115-125VAC at 60Hz.
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October 3, 2012 4:54:42 PM

right so if the projector says it can take 4.0A, and the wire says it will feed 10A into the projector, might this create a serious problem?
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a b ) Power supply
October 3, 2012 5:10:15 PM

jinei said:
right so if the projector says it can take 4.0A, and the wire says it will feed 10A into the projector, might this create a serious problem?



Hi :) 

IT MIGHT BE BAD IF YOU GET AN OVERLOAD....

So what you do is change the fuse in the lead for a 5 amp fuse...

All the best Brett :) 
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a b ) Power supply
October 3, 2012 5:12:20 PM

The projector draws how much current (A=AMPs/Amperes=current) it needs, the plug can with stand a device that draws 10A of current, do you understand what i am trying to say?



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October 3, 2012 5:31:19 PM

jay_nar2012 said:
The projector draws how much current (A=AMPs/Amperes=current) it needs, the plug can with stand a device that draws 10A of current, do you understand what i am trying to say?


so if the projector only needs 4.0A, it will only draw 4.0A, and the fact the cable can supply up to 10A current will not create any problems?
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a b ) Power supply
October 3, 2012 5:53:56 PM

jinei said:
so if the projector only needs 4.0A, it will only draw 4.0A, and the fact the cable can supply up to 10A current will not create any problems?



Hi :) 

NO.....

It doesnt work that way...

IF you get a problem the projector could try and draw TOO MUCH power (amperage) from that 10 AMP cable....

So put in a 5 amp fuse and if the problem happens , the FUSE BLOWS and NOT the projectors internal circuitry,,,thats what fuses are for...

All the best Brett :) 
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a b ) Power supply
October 3, 2012 6:17:36 PM

No there shouldn't be no problems with the cable and what do you mean problems Brett?

There are short circuits and power surges.
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a b ) Power supply
October 3, 2012 7:16:26 PM

jay_nar2012 said:
No there shouldn't be no problems with the cable and what do you mean problems Brett?

There are short circuits and power surges.



Hi :) 

ANY sort of electrical fault in the projector could blow the fuse....and its basic to ANY electrical device, that you do NOT have a fuse thats rated higher than the device needs.. or you get a fire...

All the best Brett :) 
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October 4, 2012 12:32:14 AM

sooo ... in short --

id best order a replacement power cord and not take any chances?
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Best solution

a b ) Power supply
October 4, 2012 12:38:46 AM

jinei said:
sooo ... in short --

id best order a replacement power cord and not take any chances?



Hi :) 

Yes or drop the fuse rating to 5 amps as I said... any electrical device should have a fused plug....

All the best Brett :) 
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October 11, 2012 2:15:25 AM

Best answer selected by jinei.
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