Is 1955 Packard a 6 volt or 8 volt?

A 1955 Packard is 12 volts, positive ground.

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Will 40 amperes convert to volts?

Since the ampere is the SI unit for current, and the volt is the SI unit for potential difference, we are looking at two completely different quantities. So you cannot convert one to the other.

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How do fuses and circuit breakers protect your home against electrical fires?

because wires can get really hot and start a fire

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How do you connect the NEMA L5-30R outlet?

L5-30R is specifically a 125Vac, 2 pole, 3 wire locking receptacle. It would be wired the same as a standard 5-15(aka standard 3 prong), except a larger wire guage is typically used back to the service panel. The receptacle itself will be color coded black, white/nuetral, and always green/ground.

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How many volts would you need to hold five tons?

Volts? Well my friend, i can hold 5 tons and only use the small amount of voltage running through my body...be more specific. Kadius1964~blog me.

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What do fuses and circuit breakers protect circuits from?

They protect the downstream components from spikes in the eletrical system.

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How do you convert 12 volts dc to 3 volts dc for LED?

With a resistor. You step down from 12 volts to 2 volts (yes, its 2 volts, not 3) with a resistor. A 2 ma LED would require 10 volts across 2 ma, or 5K Ohms. (If you want 3 volts, then you need 9 volts across 2 ma, or 4.5K Ohms.)

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How do you wire up a 4 pin 12 volt switch?

No clue. What kind of switch and what is it supposed to do?

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