These 37 Home and DIY Essentials are So Good, We’re Naming Them the Gifts of the Year

From classic tools to smart tech, these are our top gift picks for the homeowners, gardeners, and DIYers on your list.
EC&M

NEC Requirements for Grounding of Separately Derived Systems

A separately derived system (SDS) has no direct connection to other sources except through grounding and bonding. Grounding and bonding must be performed at the source, not on the load side, to ...

I Was Wrong About the GT Knot—Here’s the Right Way to Tie It

It's my favorite for connecting fluorocarbon to braid, but I found an error in my original GT knot diagram. Here’s the corrected, step-by-step instructions.
akm

MegaFon and BUREAU 1440 have agreed to connect base stations to satellite Internet

MegaFon and the Russian aerospace company BUREAU 1440 (part of X Holding), which is creating its own low-orbit satellite constellation, have signed an agreement on the provision of broadband data ...