Which type do I need?

Types of GFI

The price will vary significantly based on the variety of choices available and the device's location. Therefore, understanding the location requirements is crucial when pricing.

Indoor Type

This is the most common type of GFCI outlet, designed for indoor use in areas like kitchens, bathrooms, basements, etc. These are only $16 - $18 a piece.

Weather Resistant

This type of GFCI outlet is designed for outdoor use in areas like patios, decks, outside wall outlets. It is designed to handle a much higher level of moisture and is resistant to corrosion. It is required by code to be WR (weather resistant) rated.
These are about $18.00 - $25.00 per piece.

15a. Weather Resistant USB 15w

This type of GFCI outlet is designed for outdoor use and with the convenience of USB charging. These are about $56.00, though LeGrand has a 20 amp version for $77!