0
Why must electricians be extra careful when calculating power requirements for circuits that will run motors?
Wiki User
∙ 14y ago
The electrical code states that motor feeders have to be rated at 125% of the FLA of the motor. When wiring motor circuits always consider the ambient temperature (for wire de-rate purposes) where the motor is located and the 125% rule before selecting the correct wire size.
<<>>
Extra care must be taken when calculating power requirements for circuits that will carry electric motors because the current need of an electric motor is larger than calculated from its horsepower rating alone. Electric motors are highly inductive and also have an in-rush current requirement to get started. The circuit used to power an electric motor has to be capable of supplying the in-rush and steady state currents to the motor -- with an acceptable I^2-R loss on the wires.
Wiki User
∙ 14y ago
Electricians must be extra careful when calculating power requirements for circuits that will run motors because motors have high starting currents that can overload the circuit if not accounted for. This can lead to overheating, tripping of circuit breakers, and possible damage to the motor or other components. Properly calculating power requirements ensures safe and efficient operation of the motor and the circuit.
Add your answer:
Earn +20 pts
Why should you always be careful when using electricity?
You should always be careful when using electricity because it can be dangerous and potentially lead to electric shock or fires if mishandled. It is important to follow safety guidelines, use proper equipment, and avoid overloading circuits to prevent accidents.
What does deliberate mean?
It would be the same as intentionally. It would be something you meant to do, and not done by accident.
Discuss in detail the design of control unit for basic system?
The control unit in a basic system is responsible for interpreting instructions and managing the flow of data within the system. It typically consists of registers, decoders, and control logic circuits. The control unit fetches instructions from memory, decodes them to determine the operation to be performed, and then generates control signals to execute the operation. It coordinates the activities of the CPU components, such as the ALU and registers, to ensure that instructions are executed in the correct sequence. The design of a control unit involves careful consideration of instruction set architecture, timing requirements, and the necessary control signals to facilitate efficient and accurate execution of instructions.
In science what is the art of questioning called?
The art of questioning in science is known as inquiry. It involves asking questions, formulating hypotheses, designing experiments, and drawing conclusions based on evidence. Inquiry is fundamental to the scientific process and is used to advance our understanding of the natural world.
Why should be careful while using electricity?
If you are careful you can look forwar to a long life without getting electrocuted.
Is there a free military retirement calculator online?
The Social Security website has numerous retirement calculators that will help you predict your retirement requirements based upon age and financial history. Other financial institutions offer free websites for calculating your retirement, but you will want to be careful that they are not trying to sell you their financial product.
Where are some synonyms of the word 'circumspect'?
Some synonyms for "circumspect" are: calculating, careful, deliberate, considerate, safe, watchful, vigilant, leery, guarded, cautious, artful, prudent, alert, conservative, safe.
What is the formula for calculating displacement in which acceleration initial velocity and time are the variables?
If s = displacement, u = initial velocity, a = acceleration, t = time. Then s = ut + 1/2at2 Be careful to keep units consistent
How did the abolitionist use math in their work?
Some of the ways abolitionists used math in their work was in calculating distance in the travels of the slaves they were helping to escape to the North. Math was also used for calculating direction when using latitude and longitude to plan the escape routes of the slaves. In addition to that, they used math in calculating the time it would take to get from one destination to another because timing was crucial. The bounty hunters were often so very closely behind them that they had to be extremely careful in planning their timing, both in departure times as well as arrival times.
How do I apply to architect schools?
It depends on the school you are applying to, as each have their own requirements for admission. Make sure you read the school's requirements careful, determine if you qualify, and, if not, do what it takes to make it. Don't be afraid to contact your school of choice's admissions office. They can help you with the process of applying.
Should you paint the wall before you clean the carpet?
If you're careful you can do them in either order. However for what it's worth here's how the professional workflow on a jobsite interior is set up rough carpenters plumbers electricians drywallers finish carpenters ceiling hangers painters floor covering (carpet, tile, etc)
The survey tally show A total of working parents Hint Be careful when calculating the number of working parents for fanilies in which both parents work?
Are you kidding me?? Trying to get answers to Penn Foster exam questions and you want to go into childcare. What else will you cheat on??
What does calculated mean?
# ## The act, process, or result of calculating. ## An estimate based on probabilities. # Careful, often cunning estimation and planning of likely outcomes, especially to advance one's own interests. In other terms you are finding the answer or by doing the math. :)
I put way to much salt in my pool how do I get rid of it?
The only way is to work out how much to much dump some of the water and replace it with fresh water. if you don't get it right the first time you will be forced to waste even more water, so be careful calculating.
What is different between feeder breaker and motor breaker?
You have to be careful with terms in the electrical field, Example: Main Feeder Circuits will feed a Transformer for distribution and each of those main circuits might feed numbeous Motor control centers. However each of those circuits could be called a main feeder for the motor control center. Confusing. We have High Voltage Transmittion tansformered down for Distribution. So normally a Feeder Breaker will feed Main circuits that will be used for distribution. Example Your home panel will have a main feeder circuit to the whole panel and distribution breakers to you home.
Can thrift stores sell mattresses?
Yes, they can. But the mattress must be new or have been professionally sterilized. There are specific requirements, and they are generally careful about observing them. (It is cheaper to avoid a fine or a lawsuit than to risk one.)
What are the comparative and superlative of careful?
More careful, most careful
