Washer Receptacle

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siva

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Hi
We have one washer receptacle here and our drawing shows, 20 amps breaker and 4 mm2(12 awg) wire and load is 1500 VA for this circuit(single phase).Contractor is going to install ordinary 13 amps receptacle for this ckt.Is this type receptacle is enough or do we need to use higher rating receptacles?Please advise.
Thanks in advance
Siva
 
Re: Washer Receptacle

I have never seen a 13 amp recept.

The laundry should have one 20A circuit (210.11(C)(2)/ 210.52(F)), but there are exceptions - In other than one-family dwellings...where laundry facilities are not to be installed or permitted.

What type of property is this?
 
Re: Washer Receptacle

If you meant that he wants to install a 15 amp duplex receptacle than it's fine.
 
Re: Washer Receptacle

Hi
I am working with US Navy,Middle east and here the normal receptacle is 13 amps(BS standard).The property is a Government building consist of a big laundry room.Here 15 A receptacles will come under heavy duty type(use for cooker unit,A/C outlet etc).My question is 13 A normal one is enough or need to use the heavy duty type 15 Amps....Thanks
Siva
 
Re: Washer Receptacle

What is the nominal voltage in that part of the world? If it is 120, then an 1500 VA load would take up 12.5 amps, and a 13 amp receptacle might be ok. If is is 110, than a 1500 VA load would take up; 13.6 amps, and a 13 amp receptacle would certainly not be ok.
 
Re: Washer Receptacle

If you use one receptacle (duplex or single) it must be rated the same as the breaker i.e. 15 amp breaker a 15 amp receptacle; 20 amp breaker a 20 amp receptacle per NEC 210.20 (B) (1)
 
Re: Washer Receptacle

If you use one receptacle (duplex or single) it must be rated the same as the breaker i.e. 15 amp breaker a 15 amp receptacle; 20 amp breaker a 20 amp receptacle per NEC 210.20 (B) (1)
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This isn't true. A 15 amp duplex receptacle is permitted on a 20 amp breaker. A 15 amp duplex is two receptacles.
 
Re: Washer Receptacle

To ad to Infinity's response, There is nothing in the NEC that would prevent a single 20 amp receptacle on a 15 amp circuit
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Wayne is correct. This is one of those things that I'll never understand. Why should you be permitted to put a receptacle on a circuit that can carry a load larger than the CB is beyond me.
 
Re: Washer Receptacle

Originally posted by infinity:
This is one of those things that I'll never understand. Why should you be permitted to put a receptacle on a circuit that can carry a load larger than the CB is beyond me.
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I think the reaon is two fold.

One, it does not create any more of a safety hazard than 10 duplex receptacles on a single circuit. Both circuits could be overloaded but thats why circuits have OCP.

Two, when we get to larger receptacles it makes a lot of sense.

Say I have to feed a portable machine that needs a 70 amp circuit, I will need to use the next standard size receptacle which is 100 amps.

Now if I could not use a 70 amp OCP with this 100 amp receptacle the OCP for the machine would be over sized.
 
Re: Washer Receptacle

Bob,

I agree with your scenario regarding larger sized devices and OCPD's but I think that when we're talking about 15 and 20 amp circuits the single device should be required to match the circuit OCPD.

If I install an AC outlet on a 15 amp CB and put in a 20 amp single receptacle than Joe Homeowner should be confident that if the 20 amp plug fits into the device that the CB will be large enough so that the unit can run.
 
Re: Washer Receptacle

By infinity: Joe Homeowner should be confident that if the 20 amp plug fits into the device that the CB will be large enough so that the unit can run.
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This is why Joe Homeowner should hire a real electrician who would size the circuit to the OCPD. :D
 
Re: Washer Receptacle

This is why Joe Homeowner should hire a real electrician who would size the circuit to the OCPD
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This is exactly my point, Joe Homeowner already did hire the electrician the install the circuit yet when he plugs in his AC unit with a 20 amp plug it won't run because the code permitted a 20 amp single receptacle on a 15 amp circuit!

[ August 03, 2005, 05:29 AM: Message edited by: infinity ]
 
Re: Washer Receptacle

Originally posted by infinity:
This is exactly my point, Joe Homeowner already did hire the electrician the install the circuit yet when he plugs in his AC unit with a 20 amp plug it won't run because the code permitted a 20 amp single receptacle on a 15 amp circuit!
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I do not understand why this is any different then Joe home owner pluging in to many appliances to a SA branch circuit. Either way the chance of an overloaded circuit is there.

The code only requires two SA circuits no matter the size of the house and we do not have to install them 'logically'.

IMO, this is not a safety issue, it is only a serviceability issue.

90.1 (B) Adequacy. This Code contains provisions that are considered necessary for safety. Compliance therewith and proper maintenance will result in an installation that is essentially free from hazard but not necessarily efficient, convenient, or adequate for good service or future expansion of electrical use.
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Re: Washer Receptacle

You all forgetting about 210.21(b)(3)? You can't have a 20A receptacle on a 15A circuit.
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That section does not apply to a single receptacle. It applies to two or more receptacles.
 
Re: Washer Receptacle

By Paul32: You all forgetting about 210.21(b)(3)? You can't have a 20A receptacle on a 15A circuit.
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Paul if you read the artical you cited you will see that it says two or more receptacles, This would not apply to a single 20 amp receptacle on a 15 amp circuit. ;)
 
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