Homeline circuit breakers are constructed with the same Square D brand quality that you have come to expect, but at a price that makes them the best value in their class. The ANSI-certified and UL-listed item has a 120/240 VAC and 10,000 AIR rating. This breaker works with Homeline load centers as well as CSED devices. The Square D by Schneider Electric Homeline 80 Amp Two-Pole Circuit Breaker is designed to protect your electrical system from overload and short-circuiting. Allowable voltage drop based on wire length.The ambient rating of the conductor (wire) and its termination (connection) points.But the factors that influence the wire size of your breaker are given below: Many technicians will repeat the guidelines of rules of thumb while selecting wire size and rely on them in all situations. Factors to Consider While Selecting Cable for Your 80 Amp Breaker Having said that, many individuals choose aluminum because it is less expensive. If you have an option between the two, go with copper. A gauge of copper wire can carry more current than a gauge of aluminum wire.
The ampacity of aluminum wire is lower than that of copper wire. Step-3: The appropriate size of the breaker is obtained by multiplying the final amount by 125 percent. Step-2: Divide that number by the voltage. Step-1: Determine the total wattage of all of your home’s appliances. If the breaker size is not known, perform the following steps to evaluate it: Now you can find the wire size from the chart. However, in this scenario, you already know that the breaker is rated at 80 amps. You can rapidly determine the size of the wire once you know the size of the circuit breaker. The most difficult step of estimating the exact wire size is determining the size of the circuit breaker.
Aluminum service wire size chart how to#
How to Calculate the Correct Size Wire for 80 amps? As a general rule, thicker and larger wire diameters can handle higher amperage loads because they can moderate the excessive heat produced by the electricity flowing through the cable. If a wire is not designed to sustain a specific amperage, it may accidentally melt and even ignite.įor this reason, we must be aware of the suitable wire size and its capacity to bear amperage load. The total size of the wire decides whether or not the wire’s fitted conductors can manage the amperage that will flow through it. Safety is the foremost reason for the importance of wire size. Aluminum wires will have different specifications. The following table will give you sizes of copper cable for the corresponding breakers. A low number, on the other hand, suggests a larger-sized wire. Its diameter is represented by the number. The gauge of a wire determines its diameter. Because all domestic wires have a voltage rating of at least 600V in the US, only amperage matters when choosing a wire gauge. What Size Wire for 80 Amp Breaker?Įlectricians and specialists recommend utilizing wire gauges ranging from 2 AWG to 4 AWG for 80-ampere breakers. Its primary function is to stop current flow when protective relays detect a problem. A circuit breaker is a type of electrical switch that protects an electrical circuit from damage caused by overcurrent/overload or short-circuit.
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