Electricians calculator

All It Takes Is Your ZIP Code! Want Help With Your Wiring Project? Find A Pro That Fits Your Budget. ELECTRICAL CALCULATIONS. Power Calculator P=ExI: Enter power factor and select single or three phase and kilowatts or watts then enter any two values of power, volts, or amperes and calculate the remaining answer.

Online electrical calculators for calculations of electricity and electronics. Equipment Grounding Conductor Size Calculator by electrician2. OCPD) for branch circuits and feeders per Section 240.

B), and (D) and solves many common design problems. The average cost of an electrician is $to $1per hour, with a typical call-out fee or first-hour rate of $to $125. To hire a master electrician for specialty work, expect to spend $1for the first hour, with an average hourly rate of $1to $120.

The use of these calculators are the responsibility of the user only. Other calculators for unit conversions and other power related calculations. Need An Exhaust Fan?

Connect With Local Pros For Free! In a real transformer, due to losses, the power at the secondary coil will always be smaller than the power at the primary coil. Easily solve calculations in seconds, including wire and conduit sizes, integrated voltage drop, motor full-load amps, fuse and breaker sizes. Get Free Bids From Local Pros! All About Circuits is one of the largest online electrical engineering communities in the world with over 300K engineers, who collaborate every day to innovate, design, and create.

Update to future code revisions with an easy-to-install kit. This wire size calculator will calculate the appropriate wire gauge for a circuit based on amps, voltage, distance, and load. Specially intended for electrical. The actual developer of the software is MC Group Inc.

This website provides a wire size calculator , voltage drop calculator , wire ampacity charts and more. The most popular versions of the software are 2. This should be used as a reference only. There are many factors to consider before choosing the proper gauge. Please check with your electrical inspector or a licensed electrician for the proper wire size. The calculations conform to the national electrical codes which focus on required loads and factoring in the appliance and motor equipment.

Electrical Wire Size Calculator. Voltage Drop Calculator This is a calculator for the estimation of the voltage drop of an electrical circuit based on the wire size, distance, and anticipated load current. Generators cost about $0to install and $2to repair. These electrical practice tests are designed in such a way to test your knowledge on wiring methods, branch circuit calculations , over current protection , motor control circuits etc. Please note this calculator assume the circuit is operate in a normal condition—room temperature with normal frequency.

These online electrical engineering calculators will be very much helpful in calculating the solenoid coil electromagnetic force, capacitor energy time constant, physical properties of coil, parallel resistors, inductance of air core coil, impedance calculations and straight wire inductor calculations. The load calculator is divided into three main sections which enable you to enter the necessary information about the home project and the proposed electrical equipment that will be installed. Motor Circuit Conductor and Voltage Drop Calculator (BETA Version) electrician. The Construction Monkey Motor calculator lets you figure out electrical characteristics of your system given a specific motor.

Box Fill Calculations Calculates the minimum cubic volume required for a device or junction boxes based on NEC 313. By inputting horsepower, motor efficiency, power factor, and system voltage the system will calculate the disconnect size, feeder size, and starter size. This is very useful when you are in pre-production as you will easily be able to calculate in advance whether or not you will need an external generator, and how many.

You can also calculate the minimum circuit breaker size for the given load.