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Title: Free Electricity - A New Headache For The Gas Industry!
Author: Ray Allen
Source: American Gas Association 1980
Year Published: 1980
Abstract: Only last year, Water Power engineers discovered a new gas system hazard: unusually high voltage across a gas meters insulator in a few isolated locations. Voltages have been experienced with enough power to cause continuous sparking to a workmans wrench. One electric shock actually caused semiconsciousness to a workman. This safety hazard is recognized in OSHA regulation, par. 1926.405(K). A shock hazard is considered to exist at an accessible part in a circuit between the part and ground, or other accessible parts, if the potential is more than 42.4 volts peak and the current through a 1500 ohm load is more than 5 milliamperes.