Categoría de Sobretensiones I

15:18 Sep 5, 2008 

Distinction between voltage and current is the ABC of electricity.
Using the water analogy: voltage is like water pressure, and current is like water flow.
Even the most basic dictionaries will show you:
tensión --> voltage
corriente --> current
And the most basic technical dictionaries will show you:
sobretensión --> overvoltage
sobrecorriente --> overcurrent
Example: Collazo's Technical Dictionary
Liz: aside from the dictionaries, you will find zillions of Google references about this.
Edward: current is *never* 'expressed as a voltage in numerical terms'. Current may be considered as a consequence of voltage, which is not the same. Current is measured in amperes (and its multiples/submultiples), voltage is measured in volts (and its multiples/submultiples).
Anyway, if you don't rely on my 30 years of electronics engineer, no problem. Please ask *any* electrical/electronics engineer about this.

14:19 Sep 5, 2008 

The answer selected is erroneous. Correct answer is 'Overvoltage Category I' (psicutrinius is right).