Homepage Fill in Your LADBS NEC Standard Electrical Load Calculation Template
Table of Contents

The LADBS NEC Standard Electrical Load Calculation form is an essential tool for anyone involved in electrical projects within the jurisdiction of the Los Angeles Department of Building and Safety. This form plays a crucial role in ensuring that all electrical installations comply with safety regulations while meeting the specific energy demands of a property. It provides a structured way to assess the total electrical load by factoring in various components, including lighting, receptacles, appliances, and other electrical devices. In addition to detailing the estimated load calculations, the form also requires information about the service equipment and feeders, which helps in planning adequate electrical infrastructure. By adhering to this form, contractors and property owners can ensure that their electrical systems are designed efficiently and safely, ultimately protecting both the users and the property itself. For those navigating the complexities of electrical installations, understanding the specifics of this form is vital for a successful project outcome.

Sample - LADBS NEC Standard Electrical Load Calculation Form

NEC Standard Electrical Load Calculation for Single Family Dwellings

(Only for Service Ratings of 120/240V, 225 Amps Max)

 

 

Owner:

 

 

 

 

Location:

 

 

 

 

 

 

 

Total Floor Area of Dwelling (NEC 220.12)

 

 

 

 

 

 

 

 

 

SQFT.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Factor

 

 

 

 

 

 

 

 

Quantity

 

 

Volt Amperes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(VA)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

“General Lighting”

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

General Lighting (SQFT X 3 VA/SQ FT (Table 220.12)

3 X

sqft.

 

 

 

2.

Small Appliance Circuits (1500 VA per circuit)

(NEC

1500 X

 

 

 

 

 

220.52(A)) (minimum 2)

 

 

 

 

 

 

 

 

 

 

 

3.

Laundry Circuit (1500 VA per circuit) (NEC 220.52(B))

1500 X

 

 

 

 

4.

Total General Lighting Load (Add lines 1, 2 & 3):

 

 

 

 

 

 

 

 

5.

First 3000 VA @ 100%:

 

 

 

 

 

 

 

 

 

3000

6.

Total General Lighting Load – 3000 =

 

 

@ 35%=

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7.

Net General Lighting Load (Per NEC 220.42) (Add lines 5 & 6):

 

 

 

 

 

 

 

 

 

 

 

 

*Fixed Appliances(if insufficient space, use back):

 

 

YES

NO

 

 

 

Garbage Disposal

 

 

 

 

 

 

 

 

 

 

 

 

 

Bathroom Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

Microwave

 

 

 

 

 

 

 

 

 

 

 

 

 

Dishwasher

 

 

 

 

 

 

 

 

 

 

 

 

 

Other:

 

 

 

 

 

 

 

 

 

 

 

 

 

Other:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total

 

 

 

8.

3 or less Appliances,

Total Appliance VA;

 

 

 

 

 

 

 

 

 

 

 

 

4 or more Appliances,

75% of Total Appliance VA (NEC 220.53):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Other Loads (including motors, EV charger(s), etc.)

 

 

YES

NO

 

Nameplate Rating

 

 

 

(VA)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9. Electric

Range (8000VA or Nameplate)**

 

 

 

 

 

 

 

 

 

 

 

10. HVAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11.

Electric

Oven

 

 

 

 

 

 

 

 

 

 

 

 

 

12.

Electric

Dryer (5000 VA minimum)**

 

 

 

 

 

 

 

 

 

 

 

13.

Electric

Vehicle Charger

 

 

 

 

 

 

 

 

 

 

14.

Other:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15.

Other:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16.

25% of largest motor (NEC 430.24)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total Service Load Volt-Amperes (VA) (Add lines 7, 8 & 9 thru 16) =

 

 

 

 

Total Service Load Volt-Amperes / 240-volts =

 

 

Amperes

 

 

 

 

***Service Rating (Amperes)=

*For every “YES” answer, indicate VA rating of equipment

**Nameplate rating must be used if larger

***Service Rating shall be greater than or equal to the Service load

As a covered entity under Title II of the Americans with Disabilities Act, the City of Los Angeles does not discriminate on t he basis of disability and, upon request will provide reasonable accommodation to ensure equal access to its programs, services and activities.

NEC Standard Electrical Load Calculation (Rev. 03-23-2016)

www.ladbs.org

File Specs

Fact Name Details
Purpose The LADBS NEC Standard Electrical Load Calculation form is designed to ensure compliance with electrical load standards set forth in the National Electrical Code (NEC). It enables accurate assessment of the electrical load for residential and commercial buildings.
Usage This form is utilized by architects, engineers, and contractors as part of the plan check process in the City of Los Angeles to obtain the necessary electrical permits.
Governing Law The submission of this form must adhere to the California Code of Regulations Title 24, which incorporates the NEC alongside state-specific amendments.
Importance of Accuracy Providing accurate calculations on this form is crucial. Mistakes can lead to permit delays, increased costs, or even safety hazards related to overloading electrical systems.

LADBS NEC Standard Electrical Load Calculation - Usage Guidelines

Filling out the LADBS NEC Standard Electrical Load Calculation form is straightforward. Make sure you have all the necessary information handy to complete the form correctly. After completing the steps below, you can submit the form for review to ensure your electrical project meets city requirements.

  1. Start with your project address. Write the full address in the designated area.
  2. Provide the name of the applicant. This should be the person responsible for the project.
  3. List the type of occupancy. Specify what the building will be used for, such as residential, commercial, or industrial.
  4. Fill in the total square footage of the project. Ensure you measure accurately.
  5. Enter the number of lighting circuits planned. Base this on your electrical plan.
  6. List the number of receptacle circuits. Include all circuits where outlets are installed.
  7. Calculate the total load (in Amps) on the form. Use your data to provide an accurate estimate.
  8. Verify that all information is correct. Double-check for any typos or errors before submission.
  9. Sign and date the form. This confirms that the information provided is accurate.
  10. Submit the completed form to the relevant city department for review.

Your Questions, Answered

What is the LADBS NEC Standard Electrical Load Calculation form?

The LADBS NEC Standard Electrical Load Calculation form is a document designed to assist property owners, contractors, and electricians in determining the electrical load requirements for residential and commercial buildings. It provides guidelines for calculating the total electrical demand based on the National Electrical Code (NEC) standards, ensuring safety and efficiency in electrical installations.

Who needs to complete the form?

This form is typically required by licensed contractors and electricians when submitting plans for electrical installations or alterations. Additionally, homeowners undertaking a remodel or new construction may need to complete it to meet local code requirements. It ensures that all electrical systems in the building can safely handle the expected load.

What information do I need to fill out the form?

To properly complete the form, you will need specific details about the electrical systems in the building. This includes the square footage, number of circuits, types of appliances, and the total wattage for each fixture. Additionally, you may need to provide information related to any special electrical equipment that may affect load calculations, such as HVAC units or large machinery.

How do I submit the completed form?

What happens if the form is not completed correctly?

If the form is submitted with errors or incomplete information, it may delay the approval of your electrical plans. The reviewing authority might request revisions or additional information, which can prolong the permitting process. It is crucial to ensure accuracy and thoroughness to avoid complications.

Are there any penalties for not following the NEC guidelines?

Failure to comply with NEC guidelines can lead to serious safety hazards, as well as potential fines or penalties from local authorities. In addition, if electrical installations do not meet code, you may be required to make costly corrections or, in severe cases, remove and reinstall systems to comply with safety regulations.

Where can I find assistance for completing the form?

If you need help filling out the LADBS NEC Standard Electrical Load Calculation form, several resources are available. You may consult with a licensed electrician or contractor, who can provide guidance tailored to your specific project. You can also contact your local Department of Building and Safety for additional instructions or clarification on the requirements.

Common mistakes

  1. Failing to Include All Electrical Loads: One common mistake is neglecting to include all the relevant electrical loads in the calculation. This includes not only fixed installations like HVAC systems, but also kitchen appliances, lighting, and any additional equipment. Each piece of equipment contributes to the overall load and must be accounted for to ensure safety and compliance.

  2. Incorrectly Estimating Load Demand: Sometimes, individuals misestimate the demand of their electrical appliances and systems. This may result from a misunderstanding of how to calculate load, especially when using continuous and non-continuous load factors. Accurate assessments are crucial for determining the appropriate size of the electrical service.

  3. Ignoring Local Amendments and Requirements: Local jurisdictions may have specific amendments or additional requirements that differ from national standards. Failing to comply with these can lead to delays in approval or additional costs. It is important to reference local codes during the calculation process.

  4. Not Verification and Review: Skipping the verification and review process of the completed form is another frequent error. Having a second set of eyes can catch mistakes and ensure that all calculations meet the necessary guidelines. Verification helps to fortify the accuracy of the submission and minimizes the risk of issues arising later.

Understanding these mistakes can lead to more accurate electrical load calculations and improve compliance with safety standards.

Documents used along the form

The LADBS NEC Standard Electrical Load Calculation form is a crucial document for anyone looking to ensure that their electrical systems are safe and up to code. Along with this form, several other documents often accompany it to provide a comprehensive overview of the electrical requirements for a project. Below are four common forms and documents that may be necessary.

  • Electrical Permit Application: This document must be submitted to obtain permission from local authorities before starting any electrical work. It outlines the nature of the project and includes basic information about the property and proposed electrical changes.
  • Load Analysis Worksheet: This worksheet helps detail the anticipated electrical load. It assists in identifying and estimating the capacity required for safe and efficient electrical service, ensuring compliance with safety standards.
  • Plan Check Approval: Before construction, plans must be submitted for review by the building department. This approval confirms that electrical work meets local codes and regulations, providing peace of mind to both contractors and homeowners.
  • Circuit Wiring Diagram: A circuit diagram visually represents the electrical connections and components in a project. This document is essential for both planning and troubleshooting, ensuring that all parts of the system function together properly.

Collectively, these documents play a vital role in maintaining the safety and reliability of electrical systems. Understanding these forms will ease the planning process and ensure compliance with regulations, ultimately facilitating a smooth project completion.

Similar forms

The LADBS NEC Standard Electrical Load Calculation form is similar to the National Electrical Code (NEC) guidelines. Both documents aim to ensure safe electrical installations across various applications, helping to prevent overloads and hazards. The NEC outlines minimum safety standards. Similarly, the LADBS form allows users to calculate loads based on these established standards, providing clarity and consistency in electrical planning.

Another similar document is the International Electrotechnical Commission (IEC) standards. The IEC provides guidelines that align with electrical safety and efficiency worldwide. The LADBS NEC form adopts principles from these standards to ensure that local calculations meet global safety benchmarks. Both documents emphasize the importance of proper load management and compliance with best practices.

The Electrical Code of the respective state or city is also comparable to the LADBS form. Each local electrical code integrates specific requirements for residential and commercial installations. Like the LADBS form, these codes help facilitate the accurate assessment of electrical loads, ensuring that all installations are safe and functional according to local regulations.

Safety data sheets (SDS) serve as another similar document. While they focus on chemical safety, the methodology used in outlining potential hazards can be likened to the process of analyzing electrical loads. Both documents prioritize the prevention of hazards by providing comprehensive information. Therefore, the LADBS form also acts as a safeguard by requiring a thorough load calculation before the installation begins.

Building permit applications also share common ground with the LADBS NEC Standard Electrical Load Calculation form. Both documents require detailed information before the project can proceed. The load calculation ensures that the permitting process accurately reflects the expected demands of the electrical system, which is vital for the overall safety of the structure.

Finally, the Utility Demand Sheet used by electric utility companies resembles the LADBS form. Utility demand sheets track the anticipated electrical demand of residential and commercial properties. Like the LADBS form, these sheets help utilities plan for proper service provisioning, ensuring that community infrastructure meets safety and performance needs.

Dos and Don'ts

When filling out the LADBS NEC Standard Electrical Load Calculation form, certain practices can help streamline the process and ensure accuracy. Below is a list of things to do and avoid.

Things You Should Do:

  • Read the instructions thoroughly before starting.
  • Ensure that all relevant information is available.
  • Double-check calculations for accuracy.
  • Use consistent units of measurement throughout the form.
  • Include all necessary supporting documents with the submission.

Things You Shouldn't Do:

  • Do not leave sections of the form blank without explanation.
  • Avoid using vague language or abbreviations that may confuse reviewers.
  • Do not submit without a thorough review to catch potential errors.
  • Refrain from using outdated information or codes.
  • Do not neglect to sign and date the form before submission.

Misconceptions

Many people encounter misunderstandings when dealing with the LADBS NEC Standard Electrical Load Calculation form. These misconceptions can lead to confusion and incorrect assumptions. Here’s a clear list to help clarify the most common ones:

  1. Only licensed electricians can fill out the form. While licensed electricians are often familiar with these calculations, property owners or contractors can complete it as long as they understand the requirements.
  2. The form is only necessary for new constructions. This is inaccurate. The form is also required for significant renovations or when upgrading electrical service in existing buildings.
  3. All electrical load calculations are the same. Every project is unique. Specific requirements may vary based on the type of occupancy, number of appliances, and intended use of the space.
  4. It’s a quick process that can be done on a whim. In reality, filling out the form requires careful consideration and a thorough understanding of electrical systems, making it a more involved process.
  5. Once the form is submitted, no changes can be made. This is incorrect. If circumstances change or errors are found, amendments can be made as required by the LADBS.
  6. You only need the form if you are applying for a permit. The form is helpful for evaluating existing conditions, even without immediate permitting needs.
  7. The form guarantees approval of electrical plans. While it is a crucial component of the application process, approval also depends on compliance with all local codes and standards.
  8. Load calculations are only about amperage. This is a common misconception. They also take into account voltage, wattage, and the overall demand of various devices.
  9. There’s only one correct way to complete the form. Different projects may have unique needs; thus, various methods can be valid as long as they conform to electrical code.
  10. Submitting the form means the project can begin immediately. Approval may require additional review or corrections, and work can only start once all permissions are granted.

Understanding these misconceptions can help streamline your dealings with the LADBS and ensure your electrical load calculations are accurate and compliant.

Key takeaways

When filling out the LADBS NEC Standard Electrical Load Calculation form, it’s important to understand a few key points to ensure accuracy and compliance. Below are some essential takeaways for effectively using this form.

  • Understand the Purpose: The form is designed to calculate the total electrical load of a building or project. This calculation helps to ensure that the electrical system can handle the demand placed on it safely.
  • Gather Accurate Information: Collect all relevant data such as the size of the space, appliances to be used, lighting requirements, and other equipment that will contribute to the electrical load.
  • Follow Calculating Guidelines: Adhere to the guidelines provided within the form. This includes using appropriate formulas and accounting for factors such as demand factors that can reduce the total load.
  • Include All Necessary Sections: Ensure that every section of the form is filled out completely. Missing information can delay approvals and create safety issues.

By taking these steps, you can navigate the form more confidently and ensure that your project complies with local regulations.