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John Williamson

John Williamson

Experience

John Williamson has been in the electrical industry in Minnesota for over 45 years as an electrician, inspector, instructor and administrator. John is a licensed master electrician and certified building official. John has worked in the construction codes, licensing and inspection industry for over 33 years, with over 27 years at the State of Minnesota. For the past 30 years John has also provided electrical code consultation and writing for various book and magazine publishers. John is retired from the Minnesota Department of Labor and Industry where he was the Chief Electrical Inspector.

Family Handyman Editorial Policies

For more than seven decades, Family Handyman has been providing its audience with ideas, inspiration and step-by-step directions on how to maintain and enhance indoor and outdoor living spaces. In addition to having our own staff of experts, we hire individuals whose skills have been honed through years of experience in the building, plumbing and electrical trades, and as passionate homeowners who have translated DIY (do it yourself) skills into careers as respected creators.

Articles

How Electrical Code Requirements For Kitchen Islands Have Changed Tout icon

How Electrical Code Requirements for Kitchen Islands Have Changed

The 2023 National Electrical Code brought changes to rules regarding electrical receptacle outlets on kitchen islands. Learn about them from our electrical expert.
A hand is inserting a black power cord into a white electrical outlet on a textured, light-colored stone wall. Tout icon

Where Is a GFCI Protected Outlet Required?

Ground-fault circuit interrupter (GFCI) protection is an affordable way of safeguarding your loved ones from lethal electrical shock hazards.
A beige electrical outlet is mounted on a light blue grid-patterned wall, showcasing two receptacles for plugging in devices. Tout icon

How to Ground an Ungrounded Outlet

Improve electrical safety in your home by grounding or replacing old two-prong ungrounded outlets.