Electrical Outlets Keene NH

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Home Depot #3488
(603) 355-2113
22 Ash Brook Road
Keene, NH
F W Webb Company
(603) 357-1877
501 Winchester St
Keene, NH
H.W. Taylor True Value Hdw
(603) 336-5819
50 Main St
Hinsdale, NH
Belletetes True Value Hardware
(603) 924-9436
188 Concord St
Peterborough, NH
Ww Building Supplies Inc. True Value
(802) 365-4333
Rt 30
Newfane, VT
Hamshaw Lumber Inc
(603) 352-6100
3 Bradco St - Po Box 725
Keene, NH
Jacks True Value Hardware
(603) 352-1517
37 Park Ave
Keene, NH
Belletetes True Value Hdw.
(603) 532-7716
51 Peterborough St
Jaffrey, NH
Edmunds' Hardware
(603) 588-6565
56 Main St- Po Box 126
Antrim, NH
Keene - B
(603) 338-5000
480 West St
Keene, NH
Store Hours
Sears Stores
Store Type
Sears Stores
Store Features

Wiring outlet types

An explanation of outlet types for the various amp and voltage ratings:

The standard outlet in home wiring is the 15 amp outlet. It has two vertical slots and usually a ground hole. One slot is wider than the other. The wider slot, on the neutral side, is for plugs that have a wider stab and are called polarized plugs. The intention is to make sure that the neutral side of the appliance is plugged into the neutral side of the outlet. This insures among other things, that the appliance is dead all the way back to the switch to keep most of the appliance dead when the switch is off. The outlet can be installed with the ground hole up or down, although there are some safety reasons for going with the hole up configuration. (more on reversed polarity here. )

The 20 amp outlet would be installed where some appliances might be larger and require the higher amp rating. A 15 amp appliance can use this outlet. But the horizontal tab on the 20 amp plug insures it must be used in only a 20 amp outlet. The 20 amp outlet has a horizontal slot.

A reminder here, this outlet must be installed with #12 wire (not #14).

When you get up to 30 amp outlets, you will find that they are primarily 250 Volt outlets. Dryers use 30 amp outlets. There are 3 wire outlets, for 2 hots and a ground/neutral. And there are 4 wire outlets for 2 hots, the neutral and the ground. New dryers/homes will have the 4 wire, the older configuration is th...

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