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High voltage is an electrical potential large enough to cause injury or damage. In certain industries, high voltage refers to voltage above a nominal threshold. Equipment and conductors that carry high voltage warrant special safety requirements and procedures.
Applications & Measurement
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voltage current high arc electrical voltages lightning may air used electric volts equipment power sparks contact high-voltage produce also conductors
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| High voltage | is a | electrical potential large enough to cause injury or damage | 0.90 | text |
| installation of HVAC systems | instance of | an electrical license for a specialized sub-trade | 0.80 | text |
| fire alarm systems | instance of | an electrical license for a specialized sub-trade | 0.80 | text |
| closed-circuit-television systems may be authorized to install systems energized up to only 30 volts between conductors | instance of | an electrical license for a specialized sub-trade | 0.80 | text |
| and may not be permitted to work on mains-voltage circuits | instance of | an electrical license for a specialized sub-trade | 0.80 | text |
| Van de Graaff generators | instance of | 000 V.Electrostatic generators | 0.80 | text |
| Wimshurst machines can produce voltages approaching one million volts at several amps | instance of | 000 V.Electrostatic generators | 0.80 | text |
| but typically don't last long enough to cause damage | instance of | 000 V.Electrostatic generators | 0.80 | text |
| argon or neon | instance of | or in an environment of noble gas | 0.80 | text |
| sparks appear at much lower voltages | instance of | or in an environment of noble gas | 0.80 | text |
| rubber gloves | instance of | the worker should wear insulating clothing | 0.80 | text |
| use insulated tools | instance of | the worker should wear insulating clothing | 0.80 | text |
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