Phone and Data Wire
Telephone and data wiring are low-voltage wires used for “landline” telephones and internet hookups. Telephone cable may contain four or eight wires. Category 5 (Cat 5) cable, the most common type of household data wiring, contains eight wires wrapped together in four pairs. It can be used for both phone and data transmission and offers greater capacity and quality than standard phone wire.
Although data wiring does carry a small amount of voltage, anything under 30 volts is generally regarded as safe (a household circuit carries about 120-volts of power). However, there is always a danger of data wiring coming into contact with household wiring, so you should treat it with caution and avoid touching bare wires.
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