The relevant Wikipedia article doesn't give much detail for the USA. In a very very few of the homes built before 1947 and which have never been rewired, you may instead find two types of older design of outlet. In some homes you may find one ungrounded shaver socket with a different design. Where I live, all outlets in a home are 230V, 50Hz, single phase, earthed, switched and have a common physical outlet design. How can I connect a 120V washer to a 240V circuit?.Can a built-in dishwasher be plugged into a receptacle?.Can a NEMA 6-15 Device be connected to a NEMA 6-20 receptacle?.How can I connect a 120V compressor to a 3 phase WYE 208 electrical system?.Is it okay to run a switched and unswitched hot on the same neutral?.How can I figure out why this electrical receptacle is dead?.Electrical outlet has two black hot wires but one neutral white wire?.Why do my appliances show two sets of power consumption ratings and which one applies to my house?.How can I plug my 3 prong dryer into a 4 prong receptacle?.Can I connect ground to neutral in a 3 wire outlet?.Where does the ground wire go in a 3-prong dryer cord configuration?. Here's some questions that would not arise where I live There are a lot of questions on this site that would not arise in my home country.Ī list of the common charactereristics of USA domestic power arrangements in households might help people reading this site to understand what answers apply in the USA but may not apply in other countries. Clearly households in the USA typically have only a few of these, and presumably the 1-15 and 5-15 types comprise the majority of outlets in a home. Diagrams like the one below are even more intimidating. I'm asking this question for a couple of reasonsĭiagrams like this suggest that US householders need to know about more than one type of electrical socket. when buying a clothes dryer or other appliances. If I were to buy a home in the USA, what are the key facts I should know about USA household electrical supply at outlets in homes? E.g.
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