The answer to 'which is better outlet installation or' is that outlet installation is generally better than outlet replacement. Outlet installation involves properly wiring and installing a new electrical outlet from scratch, ensuring it is up to code and safely integrated into your home's electrical system. This is usually the better choice for new construction, major renovations, or when you need to add an outlet in a new location.
Outlet replacement, on the other hand, is better suited for simply swapping out an existing outlet that is outdated or damaged. Replacement is a simpler and more cost-effective option when you just need to update the look or functionality of an outlet in its current location. However, it does not provide the same level of safety and code compliance as a full new installation.