Homepage >> Download LADBS NEC Standard Electrical Load Calculation Template

Misconceptions

Understanding the LADBS NEC Standard Electrical Load Calculation form can be challenging. Here are ten common misconceptions about this form, along with clarifications to help you navigate it more effectively.

  1. It is only for new constructions. Many believe this form applies solely to new buildings. In reality, it is also necessary for renovations and upgrades to existing electrical systems.
  2. Only electricians need to fill it out. While electricians often complete the form, property owners and contractors also benefit from understanding its requirements.
  3. It is a one-size-fits-all document. Each project is unique, and the form must be tailored to reflect the specific electrical needs of the building or renovation.
  4. Filling it out is optional. In most cases, submitting this form is a mandatory step for obtaining electrical permits in Los Angeles.
  5. It only accounts for lighting loads. The form covers various electrical loads, including receptacles, appliances, and HVAC systems, not just lighting.
  6. It can be completed quickly. Properly filling out the form requires careful calculation and consideration of all electrical components, which can take time.
  7. Once submitted, it cannot be changed. If mistakes are found after submission, revisions can often be made by contacting the appropriate department.
  8. It is the same as other electrical load calculation forms. Each jurisdiction may have different requirements and formats, so it is important to use the specific LADBS form.
  9. All loads are calculated the same way. Different types of loads have unique calculation methods, and it’s crucial to apply the correct formulas for each.
  10. It guarantees permit approval. While completing the form is necessary, it does not automatically ensure that a permit will be granted. Compliance with all local codes and regulations is essential.

By addressing these misconceptions, individuals can better understand the importance of the LADBS NEC Standard Electrical Load Calculation form and ensure they meet all necessary requirements for their electrical projects.

File Details

Fact Name Description
Purpose The LADBS NEC Standard Electrical Load Calculation form is used to determine the electrical load requirements for residential and commercial buildings.
Governing Law This form is governed by the National Electrical Code (NEC) and local amendments specific to Los Angeles.
Usage It is typically required for new construction, remodels, and certain tenant improvements to ensure compliance with safety standards.
Calculation Method The form provides guidelines for calculating the total load based on various factors, including the number of appliances and square footage.
Submission Completed forms must be submitted to the Los Angeles Department of Building and Safety (LADBS) as part of the permit application process.
Importance Accurate load calculations are crucial for ensuring that electrical systems are safe and capable of handling the intended use.

Key takeaways

Filling out the LADBS NEC Standard Electrical Load Calculation form is an essential step for ensuring that your electrical system meets safety and efficiency standards. Here are some key takeaways to keep in mind:

  • Understand the purpose of the form. It helps determine the electrical load requirements for your building or project.
  • Gather all necessary information before starting. This includes details about the electrical appliances, lighting, and other equipment that will be used.
  • Be accurate with your calculations. Mistakes can lead to underestimating or overestimating the load, which may cause safety issues or inefficiencies.
  • Use the correct units. The form typically requires load calculations in watts, so ensure you convert any other measurements appropriately.
  • Follow the guidelines provided by the form. Each section has specific instructions that help you fill it out correctly.
  • Double-check your work. Reviewing your calculations and entries can help catch errors before submission.
  • Keep a copy of the completed form. This documentation can be useful for future reference or in case of inspections.

By following these takeaways, you can navigate the form with confidence and contribute to a safe electrical system in your project.

Dos and Don'ts

When filling out the LADBS NEC Standard Electrical Load Calculation form, it's important to follow certain guidelines to ensure accuracy and compliance. Here are some things you should and shouldn't do:

  • Do read the instructions carefully before starting.
  • Do double-check all calculations for accuracy.
  • Do use clear and legible handwriting or type your responses.
  • Do include all relevant information about the electrical system.
  • Don't leave any sections blank; fill out every required field.
  • Don't use abbreviations that may confuse the reviewer.
  • Don't submit the form without reviewing it for errors.
  • Don't forget to sign and date the form before submission.

Common mistakes

  1. Incorrect Load Calculation: Many people miscalculate the total electrical load for their project. It's crucial to accurately sum all the connected loads, including lighting, appliances, and equipment.

  2. Neglecting Demand Factors: Some users forget to apply the appropriate demand factors. These factors can significantly reduce the total calculated load and should not be overlooked.

  3. Failing to Specify Equipment Ratings: It's essential to provide the correct ratings for all electrical equipment. Missing or incorrect ratings can lead to inaccurate load calculations.

  4. Omitting Future Expansion: Many individuals do not consider future growth. Planning for additional loads can prevent the need for costly upgrades later.

  5. Ignoring Local Codes: Each jurisdiction may have specific requirements. Ignoring these can lead to delays or rejections during the permit process.

  6. Inaccurate Unit Measurements: Some people use incorrect units when filling out the form. Ensure that all measurements are in the appropriate units to avoid confusion.

  7. Not Double-Checking Entries: Errors can easily occur when entering data. Always review the information for accuracy before submission.

What You Should Know About This Form

  1. What is the LADBS NEC Standard Electrical Load Calculation form?

    The LADBS NEC Standard Electrical Load Calculation form is a document used by the Los Angeles Department of Building and Safety (LADBS) to determine the electrical load requirements for residential and commercial properties. This form ensures that electrical systems are designed safely and efficiently, adhering to the National Electrical Code (NEC) standards.

  2. Who needs to fill out this form?

    Anyone planning to install, modify, or upgrade electrical systems in a building must complete this form. This includes homeowners, contractors, and electricians. It is crucial for ensuring that the electrical system can handle the anticipated load without risking safety or compliance issues.

  3. What information is required on the form?

    The form typically requires details such as:

    • The type of occupancy (residential, commercial, etc.)
    • The total square footage of the space
    • The number and type of appliances and equipment
    • The estimated demand loads for each circuit

    Providing accurate information is essential for an effective load calculation.

  4. How is the electrical load calculated?

    Electrical load is calculated based on various factors, including the type of occupancy, the number of circuits, and the specific appliances used. The form provides guidelines for calculating the demand load, which helps ensure that the electrical system can safely support the intended usage.

  5. Is there a deadline for submitting this form?

    Yes, the form must be submitted before any electrical work begins. This requirement ensures that the project complies with local regulations and safety standards. Delaying submission could lead to project delays or potential fines.

  6. What happens if I don’t submit the form?

    Failure to submit the LADBS NEC Standard Electrical Load Calculation form can result in several consequences. You may face fines, delays in obtaining necessary permits, or even the requirement to redo work that does not meet safety standards. It is in your best interest to ensure compliance from the outset.

  7. Can I submit the form online?

    Yes, LADBS offers online submission options for various forms, including the NEC Standard Electrical Load Calculation form. Check the LADBS website for specific instructions and ensure that you have all necessary information ready for a smooth submission process.

  8. Who can I contact for assistance with the form?

    If you need help with the form, you can contact LADBS directly. They have knowledgeable staff who can answer your questions and guide you through the process. Additionally, consulting with a licensed electrician or contractor can provide valuable insights and assistance.

  9. Where can I find the form?

    The LADBS NEC Standard Electrical Load Calculation form can be found on the official LADBS website. Look for the forms section under electrical permits, and you’ll find the necessary documents available for download.

LADBS NEC Standard Electrical Load Calculation Example

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