The real story is a contest between a peaceful commercial venture that is respectful of property rights and stands ready to massively upgrade the energy infrastructures and bring new prosperity vs. a coalition of interest groups that have no skin in this game but have made protesting a way of life.
If you did it yourself about a dollar, if it is a standard outlet. Only do it if you have some electrical experience. If you were to call in an electrain to change it about $60 a hour depending on where you live. Source(s): Electrain, 4 years experience.
1 GFCI outlets which have a 3 wire 15 amp outlet adapter can cost $10 to $12. 2  For example, the highly rated Leviton 7899-W 20 Amp, 120 volt GFCI outlet retails for $11 to $21.3  GFCI Outlets is an eCommerce store online that offers several variations of this type of outlet. GFCI outlets which have a 3 wire 15 amp outlet adapter can cost $10 to $12. 2  For example, the highly rated Leviton 7899-W 20 Amp, 120 volt GFCI outlet retails for $11 to $21.