These products extend the power from the wall outlets and can be used to connect most medium-duty appliances with no significant drop in voltage or current, provided the extension cord isn't too long.

Many households use one extension board to power multiple gadgets. Plugging a toaster, mixer grinder, and microwave together may seem efficient, but it pushes the extension cord beyond its capacity.

Some power strips have a switch that allows you to terminate the connection when not in use. A few others take this one step further and add a switch to every socket available -- this can give ...