Properties of Electricity
Conductivity refers to amount of electrical current a material can carry. . Materials that allow current to flow easily are called conductors.
Examples of conductive materials include the following:
- Copper
- Aluminum
- Gold
- Brass
- Steel
- Silver
Materials that resist energy transfer do not allow current to flow easily. These materials are called insulators and are essential to electrical safety precautions.
Examples of insulating materials include the following:
- Cotton
- Rubber
- Glass
- Porcelain
- Wood
- Plastic
- Ceramic
- Fiberglass
While air is typically a good insulator of electricity, the conditions affecting an electrical current can cause it to move through the air. Equipment at risk for arc flash events can use air as a conductor for passing electrical current.
To learn more about Arc Flash Safety visit our OSHA Construction Arc Flash Safety Online Training web page.
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