This means one of the circuit conductors (called the grounded conductor in the code) is connected to ground at the service. For homes, this conductor is the neutral, but in some 3-phase systems without a neutral, one of the phase conductors is grounded. The other circuit conductors are ungrounded. This solid conductor to ground is why you can get a shock between the hot conductor and the earth, water, etc. There are countries that do not do this because they feel it is unsafe. However, this grounding of the system keeps the voltages stable.
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A whirligig is an object that spins or whirls, or has at least one member that spins or whirls. Whirligigs are also known as pinwheels, buzzers, comic weathervanes, gee-haws, spinners, whirlygigs, whirlijig, whirlyjig, whirlybird, or plain whirly.Whirligigs are most commonly powered by the wind but can be hand, friction, or motor powered. They can be used as a kinetic garden ornament.tring powered whirligigs require the operator to wrap the string around a shaft and then pull the string to cause the whirligigâs motion. String Whirligigs have ancient origins. The bamboo-copter or bamboo butterfly, was invented in China in 400 BC.