The ground wire is an additional path for electrical current to return safely to the ground without danger to anyone in the event of a short circuit. Static wire is a professional grade form of Nichrome. this wire has very low electrical resistance. Guy wire is a tensioned cable designed to add stability to a free-standing structure. they are used commonly in ship masts, radio masts, wind turbines, utility poles, fire service extension ladders used in church raises and tents.