# How many amps is a 5.5-kw spa heater?

Amperes are calculated by dividing watts by voltage. Assuming 120V, a heater using 5.5kW of power: 5500W / 120V = 45.833 amperes.

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## How many amps does an electric water heater draw?

The standard electric water heater will require 10 gauge wire attached to a 30 amp breaker and will draw 18.75 amps. Smaller units will require 12 gauge wire on 20 amp breaker switches and draw up ...
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## What is the best combo of volts to amps to kill pernicious weeds like thistles with a cattle prod type device as a 50k taser doesn't work due to ultra low amps?

Volts and amps are linked by a mathematical principle known as Ohm's law. Ohm's law states that V=IR where V is voltage, I is current (amps) and R is resistance. In general, biological systems are ...
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## How to Change a Circuit Breaker From 30 Amps to 20 Amps?

Reducing the size of a breaker inside a main power panel from 30 amps to 20 amps is easier than increasing the size of a breaker. When a breaker is reduced in size, all or a portion of the existing...
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http://www.ehow.com/how_6454791_change-30-amps-20-amps.html

## How do I Convert Amps Per Square Decimeter to Amps Per Square Foot?

Amps per unit of area measures the density of the electric current. Sometimes the electric current may be measured in amps per square decimeter, and other times it may be measured in amps per squar...
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