“Hazards of Knife Blade Disconnect Switches” with Master Electrician Tommy Davis.
Free, live InterNACHI® Webinar. Open to everyone.
Thursday, November 19, 2020 12:00 PM - 1:00 PM ET
During this webinar master electrician Tommy Davis will discuss the potential electrical hazards of knife blade disconnect switches, used for solar, swimming pools, jacuzzis, heat pumps, furnaces and water heaters.