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How to convert old single outlet to regular double outlet?

How to convert old single outlet to regular double outlet?

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  #1  
Old 10-30-11, 01:25 PM
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Join Date: Aug 2011
Location: USA
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How to convert old single outlet to regular double outlet?

I want to convert this...

...to this...


how simple/difficult is this to do?

I have an external hard drive that refuses to work unless it is plugged directly into the wall with its own outlet (versus a power strip). I also need a modem, router, and telephone plugged in right beside it (these are not as picky and work w/ power strip), which is obviously impossible with one outlet.
 

Last edited by baremin; 10-30-11 at 02:49 PM.
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  #2  
Old 10-30-11, 02:01 PM
jatco's Avatar
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Location: Vancouver, BC
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That ones pretty old.. Well, we can presume that there are at least 2 wires connected to the original.. but you have to open in up and see. Im no electrician..only worked on my own home..and that one is older than my old ones...
It may be grounded, (3 wires), but I have my doubts.
Was the home originally knob&tube wiring.. ie no ground and just black cloth sheathing?
You can just wire the new outlet to the old wires...but without the ground, if there is no ground wire in the box.
If not, grounding that old box could be an issue...
Hopefully some of the electricians will chime in and help out...!
 
  #3  
Old 10-30-11, 02:51 PM
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THanks for taking a stab! I'm not sure about your questions yet, I'll have to look around and see if I can open it up
 
  #4  
Old 10-30-11, 03:16 PM
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Assuming that it is 120v, I'd check to be sure, and has no reliable ground* it can be replaced with an ungrounded (NEMA 115r) receptacle or a GFCI receptacle marked No Equipment Ground. You may have to go to a parts house for a NEMA 115r because they can be sold only as replacements.

*Note: Old style BX cable may not provide a reliable ground.
 
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