Researchers at the Massachusetts Institute of Technology say they’ve developed a “smart power outlet” that can distinguish between benign electrical spikes from common household appliances and dangerous arcs that could lead to a fire. They say their device can also be trained to discern the appliance plugged into a particular outlet, such as a fan […]
nema
Basics of power cords in North America
All ac power cords sold in North America must meet a NEMA standard and UL standards that spell out factors such as the minimum wire gage and the connector style. Most cords sold for industrial use, and even many of the cords targeting home appliances, have a third contact in addition to the power and […]