Fill Out Your LADBS NEC Standard Electrical Load Calculation Form Make My LADBS NEC Standard Electrical Load Calculation Online

Fill Out Your LADBS NEC Standard Electrical Load Calculation Form

The LADBS NEC Standard Electrical Load Calculation form is a crucial document used in Los Angeles to determine the electrical load requirements for residential and commercial properties. This form helps ensure that electrical systems are designed safely and efficiently, promoting compliance with local codes. Understanding how to accurately fill out this form is essential for homeowners, contractors, and electricians alike.

Form Sample

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

Misconceptions

Misconceptions about the LADBS NEC Standard Electrical Load Calculation form can lead to confusion. Here are seven common misunderstandings:

  1. It’s only for commercial properties. Many believe this form is only necessary for businesses. In reality, it is also used for residential projects.
  2. Only licensed electricians can fill it out. While licensed professionals often complete the form, homeowners can also provide accurate information with guidance.
  3. It’s not required for small projects. Some think small projects are exempt. However, even minor renovations may still need this calculation for safety compliance.
  4. The calculations are too complex to understand. Although the form includes technical details, the basic principles can be grasped with some research and effort.
  5. It only considers lighting loads. Many assume the form only calculates lighting. In fact, it accounts for all electrical loads, including appliances and HVAC systems.
  6. Once submitted, it cannot be changed. Some people think they cannot modify the form after submission. However, amendments can be made if necessary.
  7. It’s only needed for new constructions. This is incorrect. The form is also required for upgrades or changes to existing electrical systems.

Understanding these misconceptions can help ensure compliance and promote safety in electrical installations.

Key takeaways

When using the LADBS NEC Standard Electrical Load Calculation form, it’s important to follow specific guidelines to ensure accuracy and compliance. Here are key takeaways to consider:

  1. Understand the Purpose: The form is designed to calculate the electrical load for residential and commercial buildings, ensuring that the electrical system can handle the required demand.
  2. Gather Necessary Information: Before filling out the form, collect all relevant data, including appliance ratings, lighting loads, and any other electrical equipment specifications.
  3. Follow the Load Calculation Method: Use the appropriate calculation method as outlined in the NEC to determine the total load accurately. This may include demand factors and diversity factors.
  4. Complete All Sections: Ensure every section of the form is filled out completely. Incomplete forms can lead to delays in approval and potential safety issues.
  5. Review Local Codes: Familiarize yourself with local amendments to the NEC, as they may affect load calculations and requirements for your specific area.
  6. Double-Check Your Work: Errors in calculations can lead to significant issues. Review your figures and ensure all data is entered correctly before submission.
  7. Keep Records: Maintain a copy of the completed form and any supporting documentation. This will be useful for future reference or inspections.

By adhering to these guidelines, you can ensure that the electrical load calculation is performed accurately and effectively, promoting safety and compliance in your projects.

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