--- title: PowerCalc | NEC Compliant Electrical Design Software for Buildings description: 1 Line Diagram and Power Distribution System in buildings - electrical engineering cloud software automatically designs for new build and renovation. image: https://www.powercalc.co/hubfs/Screen_Shot_2016-09-29_at_4.21.20_PM.png --- [![Powercalc_Logo.png](https://www.powercalc.co/hs-fs/hubfs/Images/Powercalc_Logo.png?width=592&height=91&name=Powercalc_Logo.png "Powercalc_Logo.png")](https://www.powercalc.co) ## ** 2016 & 2019 Product of the Year**   ***NEC Electrical Software for Buildings*** ![NEC electrical software for buildings, construction and facility management](https://www.powercalc.co/hubfs/HomePage/NEC%20electrical%20software%20for%20buildings%2c%20construction%20and%20facility%20management.png "NEC electrical software for buildings, construction and facility management") ***Incredibly powerful...yet unexpectedly easy.*** [![New Call-to-action](https://no-cache.hubspot.com/cta/default/1002713/0ab391e1-360e-4211-839a-cceab9a5f499.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/0ab391e1-360e-4211-839a-cceab9a5f499) [![New Call-to-action](https://no-cache.hubspot.com/cta/default/1002713/10e59aa5-111d-442d-9d7f-50475c950e3f.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/10e59aa5-111d-442d-9d7f-50475c950e3f) Saves over 40% design time | Instant changes | No training necessary Just 3 inputs / circuit = 300 NEC outputs. # Power of *PowerCalc* [![1 Line Diagram](https://www.powercalc.co/hs-fs/hubfs/1_FOR_1_lINE_6_11_2016.jpg?width=446&name=1_FOR_1_lINE_6_11_2016.jpg "1 Line Diagram")](https://www.powercalc.co/1-line-diagram?__hssc=88032391.2.1479153777122&__hstc=88032391.43c28e1a61cab67e8830116bd40a791f.1479132294667.1479151606639.1479153777122.6&__hsfp=2496381194&hsCtaTracking=ebdefdac-ae9b-461a-932a-b2496e81b1f5%7C11a720e4-ca18-4b4c-be74-6b59ca29ad8f) 1 LINE DIAGRAM First ever automatic graphic 1 line diagram generated simultaneously with inputs. So, your team always know what’s happening. [![panel.jpg](https://www.powercalc.co/hs-fs/hubfs/panel.jpg?width=1858&name=panel.jpg "panel.jpg")](https://www.powercalc.co/panels?__hssc=88032391.3.1479153777122&__hstc=88032391.43c28e1a61cab67e8830116bd40a791f.1479132294667.1479151606639.1479153777122.6&__hsfp=2496381194&hsCtaTracking=cbd67ef6-4663-4a64-a6c3-29a9f3cf57d6%7C9ac7ce70-11d9-44ab-aaf4-880edd77d361) PANELS All panels generated simultaneously: branch circuit, distribution, main distribution panels; equipment schedule; and eNode.      [![Lightning.jpg](https://www.powercalc.co/hs-fs/hubfs/Lightning.jpg?width=446&name=Lightning.jpg "Lightning.jpg")](https://www.powercalc.co/nec-compliance?__hssc=88032391.3.1479153777122&__hstc=88032391.43c28e1a61cab67e8830116bd40a791f.1479132294667.1479151606639.1479153777122.6&__hsfp=2496381194&hsCtaTracking=b9976ca4-3540-4144-91c4-1eaeafee4fbf%7C8a05da94-e6db-4014-919d-29b6bd6aaf11) NEC + COMPLIANCE Over 7 million equations tied to *PowerCalc's* proprietary database compliant with NEC, IEEE and other standards. [![AutoCalc_Image_3_Arrows_white.jpg](https://www.powercalc.co/hs-fs/hubfs/AutoCalc_Image_3_Arrows_white.jpg?width=446&name=AutoCalc_Image_3_Arrows_white.jpg "AutoCalc_Image_3_Arrows_white.jpg")](https://www.powercalc.co/autocalc?__hssc=88032391.3.1479153777122&__hstc=88032391.43c28e1a61cab67e8830116bd40a791f.1479132294667.1479151606639.1479153777122.6&__hsfp=2496381194&hsCtaTracking=3cfaf67d-9bd4-433e-ac3f-7b6be5f6c5e7%7C6f7b91d2-3d4c-41bc-85ec-3f50c6e9048a) AUTO CALC Just 3 inputs / circuit and instant changes propagated across the design – upstream and downstream. [![More on 1 Line](https://no-cache.hubspot.com/cta/default/1002713/ebdefdac-ae9b-461a-932a-b2496e81b1f5.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/ebdefdac-ae9b-461a-932a-b2496e81b1f5) [![More on Panels](https://no-cache.hubspot.com/cta/default/1002713/cbd67ef6-4663-4a64-a6c3-29a9f3cf57d6.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/cbd67ef6-4663-4a64-a6c3-29a9f3cf57d6) [![More on NEC](https://no-cache.hubspot.com/cta/default/1002713/b9976ca4-3540-4144-91c4-1eaeafee4fbf.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/b9976ca4-3540-4144-91c4-1eaeafee4fbf) [![More on AutoCalc](https://no-cache.hubspot.com/cta/default/1002713/3cfaf67d-9bd4-433e-ac3f-7b6be5f6c5e7.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/3cfaf67d-9bd4-433e-ac3f-7b6be5f6c5e7) ![clouds-2.jpg](https://www.powercalc.co/hs-fs/hubfs/clouds-2.jpg?width=1200&name=clouds-2.jpg "clouds-2.jpg") FIRST SaaS ELECTRICAL ENGINEERING SOFTWARE [**CLOUD-CONNECTED**](https://www.powercalc.co/cloud) Keep your team real time with a single source of information. [**EASY**](https://www.powercalc.co/inputs-/-outputs) [Just 3 inputs / circuit](https://www.powercalc.co/inputs-/-outputs) (load kVA, load type and # of poles) = 300 NEC / IEEE and other compliant outputs. *Instant changes* automatically propagated across your design. [**FAST**](https://www.powercalc.co/save_time_and_money) [Save over 40% in design time](https://www.powercalc.co/save_time_and_money) = save comparable $$ in costs. [**SMART**](https://www.powercalc.co/nec-code) Accurate and [NEC / IEEE](https://www.powercalc.co/nec-code) code compliant: *PowerCalc's* proprietary databases are ready to use. *No blanks to fill in*.  [![New Call-to-action](https://no-cache.hubspot.com/cta/default/1002713/0ab391e1-360e-4211-839a-cceab9a5f499.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/0ab391e1-360e-4211-839a-cceab9a5f499) LATEST BLOG POSTS [![Subscribe to Newsletter](https://no-cache.hubspot.com/cta/default/1002713/cbcb9f9f-fb2d-4269-978d-5bc1b2ec70d6.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/cbcb9f9f-fb2d-4269-978d-5bc1b2ec70d6) RESOURCES [![User Manual (Doc)](https://no-cache.hubspot.com/cta/default/1002713/03c224c6-1eae-4365-8764-9228614db2ae.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/03c224c6-1eae-4365-8764-9228614db2ae) [![User Manual (Video)](https://no-cache.hubspot.com/cta/default/1002713/524727fa-e21a-42ff-9d31-499912f009b0.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/524727fa-e21a-42ff-9d31-499912f009b0) [![Video](https://no-cache.hubspot.com/cta/default/1002713/49e97abd-b8a9-4d1c-aea6-a3bf07047cf5.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/49e97abd-b8a9-4d1c-aea6-a3bf07047cf5)  [![News](https://no-cache.hubspot.com/cta/default/1002713/4fb0b76f-92ee-4186-9556-542e095d2202.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/4fb0b76f-92ee-4186-9556-542e095d2202) [![Webinars](https://no-cache.hubspot.com/cta/default/1002713/65df2a6e-fbcd-418e-a182-57f49184000e.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/65df2a6e-fbcd-418e-a182-57f49184000e) [![White Paper](https://no-cache.hubspot.com/cta/default/1002713/1299f648-b635-4b5f-8ba8-3bfab735315e.png)](https://cta-redirect.hubspot.com/cta/redirect/1002713/1299f648-b635-4b5f-8ba8-3bfab735315e) - [](%3Ciframe%20width="1280"%20height="720"%20src="https://www.youtube.com/embed/wyWH3DjHIcw?rel=0"%20frameborder="0"%20allowfullscreen%3E%3C/iframe%3E)**[Why PowerCalc?](https://www.powercalc.co/why-powercalc-user-manual)** - [Voltage Drop in Data Centers: Re-think for Extreme Savings in Energy & Equipment](https://www.powercalc.co/voltage-drop-in-data-centers-re-think-for-extreme-savings-in-energy0) - [Shark Bait: 7%+ in Energy Savings](https://www.powercalc.co/shark-bait-7-in-energy-savings) - [Case #3: Better Estimates for Electrical Costs](https://www.powercalc.co/case-3-better-estimates-for-electrical-costs) - [Case #2: South Florida Country Club Saves $2,000,000](https://www.powercalc.co/case-2-south-florida-country-club-saves-2000000) [** View Resource Library**](https://www.powercalc.co/resources) What our clients sAY - ![Bruce M. Ciarlariello](https://www.powercalc.co/hubfs/AAEAAQAAAAAAAAXcAAAAJDcyZDZhNDc4LTRmNTEtNDJmZi05NjBmLWY5ZmU1ZDc0ZmMwMw-1.jpg "Bruce M. Ciarlariello") *PowerCalc *is now used on all of our projects. From tenant improvements through industrial complexes, *this software does the electrical work for us*. All those late nights of endless calculations are gone and everything is done fast and easy. I highly recommend *PowerCalc* for any project. Bruce M.Ciarlariello, P.E. – President, BMC Consulting LLC - ![Anderson Slocombe](https://www.powercalc.co/hubfs/Testimonies%20Images/IMG_0625-072965-edited.jpg "Anderson Slocombe") *PowerCalc* has *changed the way we do electrical engineering design**…*it is easy, fast, accurate and makes the electrical design process efficient. We can’t imagine a project without using this software. I highly recommend *PowerCalc.* Anderson Slocombe – President, Florida Caribbean Architecture Inc. - ![Al Sandsmark](https://www.powercalc.co/hubfs/man_silhouette_clip_art_9510.jpg "Al Sandsmark") When I tried *Power Calc**, *the first project submitted to the building department was a big surprise. There was not a single comment from the inspector. In fact, *the electrical engineering was so accurate that the inspector did an in-depth review to try to find errors*. Al Sandsmark – President, Southwest Florida Design and Engineering, Inc. - ![Abel Camarena Arias](https://www.powercalc.co/hubfs/Abel%202017%20(2)-433061-edited.jpg "Abel Camarena Arias") I have used *PowerCalc* for all of our projects for the past 2 years...this includes industrial, high rise, commercial and all types of facilities. *It has saved us time and money. It is incredibly accurate and ensures that we comply with the NEC's requirements.* It is a great tool. It is so easy to use that we learned without a single training class, just from the manual. Abel Camarena Arias - Director General, Altos Ingeniera Electrica, Jalisco Mexico. - [![Kenneth Everett](https://www.powercalc.co/hubfs/Testimonies%20Images/Kenneth%20Everett-042547-edited.png "Kenneth Everett")](https://youtu.be/cU6uXPMtGS8) I started using *PowerCalc *not long ago and I'm not very computer savvy. *It is really amazing how simple PowerCalc is to use and how user friendly.* I just got my first set of drawings back from the Seattle Building Department with zero corrections / comments...it was great. I would recommend *PowerCalc *to anyone. Kenneth Everett – Program Manager, Home Run Electric LLC ![Logos_Final](https://www.powercalc.co/hs-fs/hubfs/HomePage/Logos_Final.png?width=1295&name=Logos_Final.png "Logos_Final") 488 N. Federal Hwy, Boynton Beach, Florida 33435 (561) 278-9969 [Inbound Performance Template](https://www.smartbugmedia.com/inbound-performance-template) by [SmartBug Media](https://www.smartbugmedia.com). Copyright 2026. All Rights Reserved ![](https://cdn2.hubspot.net/hubfs/273388/IPT-Files/img/sbm-3ozj5q79luusl8z.gif)