A 220-volt power option is now available on the 1.5-, 2- and 3-horsepower motor-driven concrete vibrators from Stone Construction Equipment. With 115-volt power as standard, the concrete vibrators are ...

with a max output of 160 amps when connected to a 220-volt power supply. It weighs 15 pounds and retails for $500. Harbor Freight’s “Titanium” Stick 225 inverter welder provides 70 amps of ...