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#1
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Two Prong Wiring In A Three Prong World
Hi,
My daughter rented an apartment in an older two family house. The receptacles are all two prong except two. What is the safest way to use three prong appliances with this wiring? The bathroom, believe it or not, does not have a outlet! How difficult (egg, expensive) would it be to add a GFI outlet? Thanks, Gary |
#2
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Two Prong Wiring In A Three Prong World
With a tester, see if the screw that holds the cover plate is grounded. One
terminal on the screw and one in the small outlet slot. If the screw is grounded, you can use a grounding adapter that plugs in and attaches to that screw. You'll need to contact the building owner regarding installing an outlet in the bathroom "abby" wrote in message ... Hi, My daughter rented an apartment in an older two family house. The receptacles are all two prong except two. What is the safest way to use three prong appliances with this wiring? The bathroom, believe it or not, does not have a outlet! How difficult (egg, expensive) would it be to add a GFI outlet? Thanks, Gary |
#3
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Two Prong Wiring In A Three Prong World
abby wrote:
Hi, My daughter rented an apartment in an older two family house. The receptacles are all two prong except two. What is the safest way to use three prong appliances with this wiring? The bathroom, believe it or not, does not have a outlet! How difficult (egg, expensive) would it be to add a GFI outlet? Thanks, Gary It is neither difficult or expensive. Turn off the circuit breaker or remove the fuse that serves that outlet. Remove the old receptacle and replace it with a GFCI receptacle. Do not use the load terminals on the new GFCI receptacle. Restore power and you are done. If you want to add a GFCI receptacle outlet to a spot were there is no outlet box now that question cannot be answered without knowing more about the house. Is there a receptacle outlet on the other side of the wall from your desired location? -- Tom Horne |
#4
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Two Prong Wiring In A Three Prong World
On Oct 6, 4:32 pm, Tom Horne wrote:
abby wrote: Hi, My daughter rented an apartment in an older two family house. The receptacles are all two prong except two. What is the safest way to use three prong appliances with this wiring? The bathroom, believe it or not, does not have a outlet! How difficult (egg, expensive) would it be to add a GFI outlet? Thanks, Gary It is neither difficult or expensive. Turn off the circuit breaker or remove the fuse that serves that outlet. Remove the old receptacle and replace it with a GFCI receptacle. Do not use the load terminals on the new GFCI receptacle. Restore power and you are done. If you want to add a GFCI receptacle outlet to a spot were there is no outlet box now that question cannot be answered without knowing more about the house. Is there a receptacle outlet on the other side of the wall from your desired location? -- Tom Horne From a code standpoint, you can't just simply add a back-to-back GFCI outlet in a bath. It needs to be on a dedicated 20A circuit (or it can be shared with another bath, for outlets only). As a landlord myself, I always appreciate someone consulting me first before they do (or even plan) any electrical work on my buildings. JK |
#5
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Two Prong Wiring In A Three Prong World
On Oct 6, 3:31 pm, "abby" wrote:
Hi, My daughter rented an apartment in an older two family house. The receptacles are all two prong except two. What is the safest way to use three prong appliances with this wiring? The bathroom, believe it or not, does not have a outlet! How difficult (egg, expensive) would it be to add a GFI outlet? Thanks, Gary Standard answer applies he Do not do any electrical work in a building you don't own. I'm not a lawyer, I don't even play one on the web, but odds are you would be liable for any damage, both structural and personal, that occurs because of electrical work you do on someone else's property. Gather your info, such as a reference that says it's OK to replace a 2 prong-ungrounded receptacle with an ungrounded GFCI, and take it to the landlord. (S)He or his/her representative is the only one who be doing electrical work on his/her property. BTW - What type of appliances are you referring to? Some appliances should not be plugged into GFCI receptacles. How is the fridge connected now? |
#6
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Two Prong Wiring In A Three Prong World
abby wrote:
Hi, My daughter rented an apartment in an older two family house. The receptacles are all two prong except two. What is the safest way to use three prong appliances with this wiring? The bathroom, believe it or not, does not have a outlet! How difficult (egg, expensive) would it be to add a GFI outlet? The "safest" way is to not use them at all. The most practical way is to buy a mess of 3-to-2 adaptors. The consumer world existed for 80 years without ground plugs and modern electrical equipment is scads better today. |
#7
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Two Prong Wiring In A Three Prong World
On Oct 6, 3:31 pm, "abby" wrote:
Hi, My daughter rented an apartment in an older two family house. The receptacles are all two prong except two. What is the safest way to use three prong appliances with this wiring? The bathroom, believe it or not, does not have a outlet! How difficult (egg, expensive) would it be to add a GFI outlet? Thanks, Gary You have 2 options 1) Replace the circuit breaker with a GFCI circuit breaker. That will take care of the entire circuit. Consult lanlord first. 2) If you know which is the first outlet that gets fed from the breaker box, change that to a GFCI and it will protect all other outlets downstream of it. It does not make sense to change every outlet to a GFCI . You only need to change 1 and it will protect the others. Keep in mind if there is a ground fault somewhere, it will kill power to most locations and you have to reset it at the GFCI outlet. As for no outlet in the bathroom, take off the light switch cover and remove switch and see how many wires are in it. If there are more than 2, than most likely you have constant power in that box. In that case you( or the landlord) can install a duplex switch/outlet combo. And it would have to be GFCI, depending on whether or not it is protected upstream by a GFCI . |
#8
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Two Prong Wiring In A Three Prong World
BTW - What type of appliances are you referring to? Some appliances
should not be plugged into GFCI receptacles. How is the fridge connected now?- Hide quoted text - - Show quoted text -\ I have to disagree. Before I remodeled my kitchen, my fridge has been on a GFCI circuit breaker for years and never had problems. |
#9
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Two Prong Wiring In A Three Prong World
In article . com, Mikepier wrote:
BTW - What type of appliances are you referring to? Some appliances should not be plugged into GFCI receptacles. How is the fridge connected now? I have to disagree. Before I remodeled my kitchen, my fridge has been on a GFCI circuit breaker for years and never had problems. Just because you've been lucky does not mean it was bad advice. -- Regards, Doug Miller (alphageek at milmac dot com) It's time to throw all their damned tea in the harbor again. |
#10
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Two Prong Wiring In A Three Prong World
Mikepier wrote:
BTW - What type of appliances are you referring to? Some appliances should not be plugged into GFCI receptacles. How is the fridge connected now?- Hide quoted text - - Show quoted text -\ I have to disagree. Before I remodeled my kitchen, my fridge has been on a GFCI circuit breaker for years and never had problems. You may have had good luck but its just not a good idea. GFCIs can nuisance trip. Say you are away for a couple days and that happens. Thats why they specifically recommend not to plug fridges and freezers into GFCI protected outlets. |
#11
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Two Prong Wiring In A Three Prong World
HeyBub wrote:
abby wrote: Hi, My daughter rented an apartment in an older two family house. The receptacles are all two prong except two. What is the safest way to use three prong appliances with this wiring? The bathroom, believe it or not, does not have a outlet! How difficult (egg, expensive) would it be to add a GFI outlet? The "safest" way is to not use them at all. The most practical way is to buy a mess of 3-to-2 adaptors. The consumer world existed for 80 years without ground plugs and modern electrical equipment is scads better today. Good plan, why bother with nuisance tripping of circuit breakers or GFCIs if the frame of a metal appliance should become energized. With the adapters if there is an internal fault that can never happen. |
#12
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Two Prong Wiring In A Three Prong World
On Sat, 06 Oct 2007 18:01:54 -0700, Mikepier
wrote: On Oct 6, 3:31 pm, "abby" wrote: Hi, My daughter rented an apartment in an older two family house. The receptacles are all two prong except two. What is the safest way to use three prong appliances with this wiring? The bathroom, believe it or not, does not have a outlet! How difficult (egg, expensive) would it be to add a GFI outlet? Thanks, Gary You have 2 options 1) Replace the circuit breaker with a GFCI circuit breaker. That will take care of the entire circuit. Consult lanlord first. 2) If you know which is the first outlet that gets fed from the breaker box, change that to a GFCI and it will protect all other outlets downstream of it. It does not make sense to change every outlet to a GFCI . You only need to change 1 and it will protect the others. If they are wired that way. A lot of the circuits I've dealt with around here aren't. There will be one piece or romex from the panel to a junction box above the veiling light, then one going down to each receptacle. No receptacle comes before any other. Keep in mind if there is a ground fault somewhere, it will kill power to most locations and you have to reset it at the GFCI outlet. As for no outlet in the bathroom, take off the light switch cover and remove switch and see how many wires are in it. If there are more than 2, than most likely you have constant power in that box. In that case you( or the landlord) can install a duplex switch/outlet combo. And it would have to be GFCI, depending on whether or not it is protected upstream by a GFCI . -- 79 days until the winter solstice celebration Mark Lloyd http://notstupid.laughingsquid.com "I have found Christian dogma unintelligable. Early in life I absented myself from Christian assemblies." -- Benjamin Franklin |
#13
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Two Prong Wiring In A Three Prong World
On Oct 7, 6:18 am, George wrote:
HeyBub wrote: abby wrote: Hi, My daughter rented an apartment in an older two family house. The receptacles are all two prong except two. What is the safest way to use three prong appliances with this wiring? The bathroom, believe it or not, does not have a outlet! How difficult (egg, expensive) would it be to add a GFI outlet? The "safest" way is to not use them at all. The most practical way is to buy a mess of 3-to-2 adaptors. The consumer world existed for 80 years without ground plugs and modern electrical equipment is scads better today. Good plan, why bother with nuisance tripping of circuit breakers or GFCIs if the frame of a metal appliance should become energized. With the adapters if there is an internal fault that can never happen.- Hide quoted text - - Show quoted text - Only if the box itself is grounded and the pigtail wire is installed. Plugging 2 to 3 adapter into an ungrounded box does nothing at all to protect against shorts in an appliance. Harry K |
#14
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Two Prong Wiring In A Three Prong World
Not to mention two wire lamps. A grounded outlet does nothing to prevent the
hot leg from chaffing and causing the metal body from becoming energized "Harry K" wrote in message oups.com... On Oct 7, 6:18 am, George wrote: HeyBub wrote: abby wrote: Hi, My daughter rented an apartment in an older two family house. The receptacles are all two prong except two. What is the safest way to use three prong appliances with this wiring? The bathroom, believe it or not, does not have a outlet! How difficult (egg, expensive) would it be to add a GFI outlet? The "safest" way is to not use them at all. The most practical way is to buy a mess of 3-to-2 adaptors. The consumer world existed for 80 years without ground plugs and modern electrical equipment is scads better today. Good plan, why bother with nuisance tripping of circuit breakers or GFCIs if the frame of a metal appliance should become energized. With the adapters if there is an internal fault that can never happen.- Hide quoted text - - Show quoted text - Only if the box itself is grounded and the pigtail wire is installed. Plugging 2 to 3 adapter into an ungrounded box does nothing at all to protect against shorts in an appliance. Harry K |
#15
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Two Prong Wiring In A Three Prong World
Mikepier wrote:
You have 2 options 1) Replace the circuit breaker with a GFCI circuit breaker. That will take care of the entire circuit. Consult lanlord first. 2) If you know which is the first outlet that gets fed from the breaker box, change that to a GFCI and it will protect all other outlets downstream of it. It does not make sense to change every outlet to a GFCI . You only need to change 1 and it will protect the others. Keep in mind if there is a ground fault somewhere, it will kill power to most locations and you have to reset it at the GFCI outlet. There's a third option: Using a Dremel, saw off the grounding lug on the three-prong plug. |
#16
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Two Prong Wiring In A Three Prong World
In article ,
"HeyBub" wrote: Mikepier wrote: You have 2 options 1) Replace the circuit breaker with a GFCI circuit breaker. That will take care of the entire circuit. Consult lanlord first. 2) If you know which is the first outlet that gets fed from the breaker box, change that to a GFCI and it will protect all other outlets downstream of it. It does not make sense to change every outlet to a GFCI . You only need to change 1 and it will protect the others. Keep in mind if there is a ground fault somewhere, it will kill power to most locations and you have to reset it at the GFCI outlet. There's a third option: Using a Dremel, saw off the grounding lug on the three-prong plug. I just use channel lock pliers. They rip right out in about two seconds. But the OP mentioned "safety," so it sounds like (s)he's the nervous type who views electricity as a violent serial killer, just waiting to chew its way through double insulated plastic appliances to strike at hapless and innocent victims. |
#17
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Two Prong Wiring In A Three Prong World
abby wrote: The bathroom, believe it or not, does not have a outlet! Not uncommon prior to the 70's. They typically used wall mounted lights which included an outlet in the base of the light. Red |
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