Turning off multiple breakers at once AND cutting the neutrals and hots at the same time with a contactor box is shown here.
Below 50mV is the goal. Use as few filters as possible. Make sure your neutrals are correct. See my video: Neutral Wire Magnetic Fields in Homes
See www.homeEMFtracing.com for more information.
Your keywords determine which category will be chosen for your video. Use keywords like health, technology, science, politics, food, etc., to make sure your video goes into the category you wish.