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Electricity Made Easy, All About, Volts, AMPS and BTUs, Watts, Circuit Breakers and Wire Size


Electricity is a form of energy and is the flow of electrons. All matter is made up of atoms, and an atom has a center, called a nucleus. The nucleus contains positively charged particles called protons and uncharged particles called neutrons.  But were not in high school any more, there will be no test, so were going to make it easy.

 

When Buying An Electric Heater, The Necessary Voltage & Wattage / BTUs need to be factors in your consider because if you wire a 240 volt heater to a 120 volt circuit, you will only get about ¼ or 25% of the wattage the heater was designed to deliver.   And vice versa if you wire a 120 volt heater to a 240 volt circuit the heater will overheat and the heater will be destroyed! The heater will try to deliver four times its rated wattage, causing the element & motor permanent damage.

 

Electricity is to home electrical circuits as water is to home plumbing systems. You will hear a lot of electricians make the analogy or refer to electricity in the sense its like water flowing down a hose or pipe.  Electricity is brought in to the home through power lines in a standard US home system; this incoming electricity is 120 or 240 volts.

 

 

Volts or Voltage

Most residential homes in the United States have 120 and 240 volts available in there home, 

You may of also heard of: 110 volts, 115 volts,  125 volts – they’re the  same as 120 volts  &  220 volts, 230 volts, , 250 – they’re the same as 240 volts.

Most household fixtures use 120 volts. Large items such as ranges or dryers require 240 volts.

Over the years the power companies have been raising the voltage to your home)
Also please note 208 volts is NOT the same as 240 volts it’s a totally different voltage, if you have 208 voltages please call or email us, we work with you. We don’t want you to buy the wrong model

 

Voltage is the force (or potential force) behind the electrons as they move through the circuit.

Voltage can be thought of as the force or the push that gets the electrons moving thought a conductor or wire. I like to think of it as how much water can fit in a hose.  Volts don't flow by themselves – they are drawn from a high point (the line outside the house) to a low point (your electric heater) and the circuit is completed by turning the power switch on the heater.  Voltage is mostly a measurement of 'potential' energy available, not necessarily how much is actually used.

 

Voltage and Wire Size and How They Relate

The amount of power (voltage) is that goes through a wire is directly proportionate to the wire size.  The greater the need of power the thicker the wire needed.  A firefighter would not put out a fire with a garden house. 

 

What is Amperage or Amps

Amperage is the amount of electrical current flowing in the circuit

 

Amperage draws that amount of electricity from the voltage in the circuit. A small electrical appliance like a toaster usually needs less power than a larger appliance such as a refrigerator.  Every heater works at different amperage rates.  A 500 watt 120 volt heater will draw 4.17 amps of power; a 1500 Watt 120 Volt heater will draw 12.5 amps.

 

Amperage must be controlled in order to protect the electrical lines from overheating or short-circuiting.   To figure out how many amps an appliance uses divide the watts by the voltage.

 

 What Is Wattage Or A Watt?

 Wattage is the amount of power, or a measure of the amount of work done by a certain amount or amperage of electric current at a certain pressure or voltage. A watt is a measurement of total electrical power. Volts x amps = watts. A measure of power or the rate of energy consumption by an electrical device when it is in operation, calculated by multiplying the voltage at which an appliance operates by the current it draws (Watts = Volts X Amperes).  Watts is the measurement of the amount of electrical power drawn by the load.

What is a BTU

A BTU, short for British Thermal Unit, is a basic measure of thermal (heat) energy. One BTU is the amount of energy needed to heat one pound of water one degree Fahrenheit. A BTU is a term used in heating and air conditioning industries to convert wattage into BTU’s

 1 watt = approximately 3.41 Btu/hour