What is the average life expectancy of the electrical components of a house?
Friday, December 27, 2019
The electrical components of a house last from 12 to 50+ years. Here’s our best estimate of the functional lifespan of each one. Click on the underlined component name to link to more detailed info about its life expectancy and characteristics.
Panel - 50+ years
Circuit Breaker - 30 to 40 years
AFCI or CAFCI Circuit Breaker - 30 to 40 years
GFCI Circuit Breaker - 30 to 40 years
GFCI Receptacle - 15 to 25 years
Wall Switch - 30 to 40 years
Receptacle Outlet - 50 years
Wiring - 100+ years
Whole-House Generator - 12 years
Go to our blog post What is the average lifespan of the parts of a house? for rating of other house components. To understand the basis, potential use, and limitations of lifespan ratings, see our blog post How accurate are the average life expectancy ratings of home components? Are they actually useful?
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Here’s links to a collection of our other blog posts about ELECTRICAL WIRING:
How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manfuactured and modular homes
for Links to Collections
of Blog Posts