ELECTRICITY BASICS
Electricity flows more easily through some materials than others. Some substances such as metals generally offer very little resistance to the flow of electric current and are called " conductors." A common but perhaps overlooked conductor is the surface or subsurface of the earth. Glass, plastic, porcelain, clay, pottery, dry wood, and similar substances generally slow or stop the flow of electricity. They are called " insulators." Even air, normally an insulator, can become a conductor, as occurs during an arc or lightning stroke.HAZARDS / DANGERS
Hazards / Dangers associated with electricity affect the majority of workplaces. In general industry, […]This content is for Markel policy holders.
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