Who must complete the form and sign it?

A qualified party completes the calculations—typically a licensed electrician or an electrical engineer depending on project scope. Signatory requirements vary by AHJ; commercial or critical facilities often require an engineer’s stamp and license number.

Can the form be signed electronically?

Yes. Electronic signatures that meet ESIGN (15 U.S.C. ch. 96) and applicable state law are acceptable when the AHJ permits e-submissions. Ensure the e-signature platform provides an audit trail and signer attribution.

Is an engineer stamp or notarization required?

Some jurisdictions require a licensed professional’s stamp for commercial projects or where calculations affect life‑safety systems. Notarization is uncommon for load calculations but verify local AHJ rules before filing.

What calculation errors cause the most problems?

Common issues include omitted motor starting currents, incorrect demand factor application, mismatched service voltage, and missing single-line diagrams. Each can result in plan-review comments or inspection failure.

How long should completed forms be kept?

Retain for the project life and follow federal and industry rules: IRS records three years (IRC §6501(a)); healthcare records six years (45 CFR §164.530(j)). State rules may require longer retention.

Where do I file the completed form for permitting?

File with the local authority having jurisdiction as part of the building or electrical permit package. Confirm whether the AHJ accepts electronic submissions and specific file formats such as PDF/A.

Electronic Signature
Templates
Miscellaneous
Electrical Load Calculation Form

Electrical Load Calculation Form

This template is fully customizable. Edit the text, fill out the fields, and send it for signature. Give it a try!

Electrical Load Calculation Form

Parties

Client Name: Service Provider / Engineer:

Recitals

WHEREAS, Client Name: requires a professional electrical load calculation for the Project described below; and

WHEREAS, Service Provider / Engineer: is qualified to perform such calculations and will prepare a written load analysis in accordance with accepted engineering practice and applicable codes;

NOW, THEREFORE, the parties agree that the Provider will perform electrical load calculation services under the terms set forth in this form.

Project Information

Project Name: Project Address:

Date of Calculation: Designer/Checker: License/Cert. No.:

Service / Supply Data

Design Service Voltage: Phase: Single-phase Three-phase

Service Type: New Service Upgrade Temporary

Main Service / Metering

Load Inventory and Calculation

Enter all connected loads and nameplate ratings. For motors, include largest motor starting and full-load currents. For HVAC include compressor and fan loads.

Lighting Connected Load (kW): Receptacles & Small Appliances (kW): Motors (list horsepower and quantity): HVAC Equipment (kW): Other Loads (specify):

Total Connected Load (sum of nameplate, kW): Demand Factor Applied: Calculated Demand Load (kW):

Recommended Service Size (A, phase, V): Feeder Sizing Summary (conductor, ampacity, comments):

Calculation Notes and Assumptions

Attachments included: One-line diagram Nameplate data Supporting calculations

Scope of Work

Payment Terms

Fee Amount: Billing Schedule:

Late Fee: . Client agrees to reimburse Provider for collection costs, including reasonable attorney fees, for past-due payments.

Term and Termination

Effective Start Date: Estimated Completion / End Date:

Either party may terminate this Agreement for convenience upon written notice to the other party delivered at least days prior to the proposed termination date. Termination for cause may occur immediately upon material breach by the other party if such breach is not cured within 10 days of written notice.

Confidentiality

Each party shall maintain in confidence all non-public technical, business, and financial information disclosed by the other party in connection with this engagement. Provider's calculation report is intended for Client use only and shall not be disclosed to third parties without prior written consent of Client except to regulatory authorities or as required by law. This obligation of confidentiality survives termination of this Agreement for a period of three (3) years.

Certification

The undersigned Provider certifies that the calculations and recommendations contained in the report were prepared or reviewed by a qualified professional in accordance with standard engineering practice. Provider further certifies that, to the best of Provider's knowledge, the load calculations accurately represent the information provided and the assumptions stated herein.

Engineer / Technician Name: License / Registration No.:

Governing Law; Entire Agreement

Governing Law: This Agreement and any dispute arising out of or relating to it shall be governed by the laws of the state of without regard to its conflict of laws principles.

Entire Agreement: This document, including attachments and referenced calculations, constitutes the entire agreement between the parties with respect to the subject matter and supersedes all prior and contemporaneous agreements, representations, and understandings, whether written or oral.

Limitation of Liability

Provider's liability for claims arising under or related to this Agreement shall be limited to direct damages not to exceed the total fees paid for the services under this Agreement. In no event shall Provider be liable for incidental, consequential, special, or punitive damages.

Client

Party:

By:

Date:

Service Provider / Engineer

Party:

By:

Date:

What the Electrical Load Calculation Form Is and When It’s Used

The Electrical Load Calculation Form documents calculated electrical demand for a building or alteration, converting connected loads into expected continuous and noncontinuous loads and applying demand factors. It supports sizing of service equipment, distribution panels, feeders, and conductor ampacities in accordance with the National Electrical Code (NFPA 70) and local amendments. Contractors, licensed electricians, and design professionals use the form to prepare permit submittals, support inspection reviews, and demonstrate compliance with jurisdictional load-sizing and overcurrent protection requirements.

Why Accurate Load Calculations Matter for Safety and Code Compliance

A complete Electrical Load Calculation Form ensures safe equipment sizing, prevents overloaded conductors, and reduces inspection delays. It provides a standardized record for permit reviewers and inspectors and helps owners and contractors estimate material and equipment costs reliably.

Who Typically Prepares and Reviews This Form

The form is completed by professionals responsible for electrical design and installation and reviewed by authority having jurisdiction (AHJ) personnel.

Licensed electrician or electrical contractor who installs and documents on-site circuitry and equipment.
Electrical engineer or designer responsible for balanced load distribution and complex demand factor application.
Plans examiner or building inspector who verifies calculations for permit approval and code compliance.

Step-by-step: Completing the Electrical Load Calculation Form

Follow a consistent sequence to reduce errors and speed plan review.

01

Identify Project: Enter project name, address, and owner details exactly.
02

List Loads: Record each appliance, motor, HVAC, and lighting load with ratings.
03

Apply Demand: Use NEC demand factors and diversity for applicable load groups.
04

Summarize Results: Provide service size, calculated kVA, and breaker/feeder sizing.

Core sections every professional form should include

A professional Electrical Load Calculation Form groups data so reviewers can validate totals, assumptions, and code references quickly.

Project Header

Project address, owner, permit number, drawing reference, and responsible professional contact information for traceability during plan review and inspections.

Connected Load Schedule

Itemized list of lighting, receptacles, appliances, HVAC, motors, and specialty equipment with nameplate ratings and duty cycles for accurate aggregation.

Load Calculations

Stepwise arithmetic applying NEC (NFPA 70) rules and demand factors with intermediate totals shown so reviewers can follow the math.

Service & Feeder Sizing

Calculated service kVA, recommended service amperage, feeder conductor sizes, and overcurrent device ratings linked to final load figures.

Single-line Diagram

Simplified single-line showing service, meter, main disconnect, feeders, and major loads; supports the calculation and aids inspectors on-site.

Notes & References

List applicable code editions, local amendments, and any design assumptions or load management systems used in the calculation.

Required information fields at a glance

Owner Name: Full legal name

Project Address: Street, city, state, ZIP

Service Voltage: Nominal voltage

Total Connected Load: kW or kVA

Demand Applied: kW/kVA after demand factors

Single-line Diagram: Yes/No attached

Typical routing workflow for the completed form

Knowing standard routing helps ensure timely reviews and reduces resubmission cycles.

Prepare Document: Complete form and attach single-line diagram.
Engineer Review: Engineer or qualified designer validates calculations.
Permit Submission: Upload with building permit application to AHJ.
Inspection Follow-up: Provide completed form at inspection as requested.

How to set up a digital workflow for this form

Configure automated fields and secure signer authentication to reduce rework and maintain an auditable record.

Field	Configuration
Authentication Method	Email plus optional SMS code
Auto-calculated Fields	Enable formula fields for totals
Conditional Sections	Show commercial calculations only when selected
Export Format	PDF/A for archival

Digital submission and platform compatibility

Ensure the platform supports secure PDFs, audit trails, and required signer authentication for permit submittals.

File Formats: PDF, DOCX, XLSX supported
Integrations: Salesforce, MS 365, NetSuite
Authentication: Email, SMS, advanced options

Typical timelines for permit review and inspections

Timing varies by jurisdiction and project complexity; plan accordingly to avoid construction delays.

Permit Submission Deadline:

Submit with permit application; no universal deadline

Plan Review Time:

Often 7–21 business days depending on AHJ workload

Engineer Approval Time:

3–10 business days for stamped reviews typically

Inspection Scheduling:

Allow 5–15 business days after approval

Permit Issuance:

Issued after all plan comments are cleared

Common mistakes that cause rejections or delays

Omitting motor starting currents and duty cycles, which leads to underestimated feeder sizing and inspector comments.
Applying incorrect demand factors or failing to cite the NEC section used for the calculation, confusing the reviewer.
Failing to attach a single-line diagram or mismatching equipment ratings between diagram and schedule, triggering resubmittal.
Entering service voltage or phase incorrectly (e.g., single‑phase vs three‑phase), causing wrong conductor and breaker recommendations.

Consequences of incorrect or incomplete calculations

Permit Rejection: Plan review returned

Safety Hazard: Risk of overheating or fire

Inspection Delay: Work cannot proceed

Financial Penalty: Fines or corrective costs

Liability Exposure: Contractor or designer risk

Equipment Damage: Premature failure possible

Real-world examples of electronic forms in practice

Organizations use electronic signatures and structured forms to speed approvals and keep a clear audit trail during construction projects.

Optica Ventures LLC

Optica implemented digital forms for contractor submissions and permit packages to reduce lost paperwork.

The interface simplified internal reviews.
"The interface is simple and easy-to-use for our team; more importantly, it is just as easy for our customers."

Martin Properties

A property management firm centralized load calculations and tenant approvals in a single workflow for faster turnovers.

Mobile signing supported field teams.
"I can process and execute all of these documents online with 100% compliance and built-in security. Whether on mobile or working offline, I can get forms back to their necessary parties efficiently."

eSignature vendor pricing snapshot for handling the Electrical Load Calculation Form

Comparison of typical starting prices and core capabilities useful when choosing an eSignature provider for permit and technical document workflows.

	signNow	DocuSign	Adobe Sign	PandaDoc	HelloSign
Starting Price	$8/user/mo	$15/user/mo	$14/user/mo	$19/user/mo	$15/user/mo
Free Trial	Yes, 7-day trial	No	No	Yes, limited	Yes, limited
Bulk Send	Yes	Yes	Yes	Yes	No
Audit Trail	Yes	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes	Yes	Yes	No	No

Frequently asked questions about the Electrical Load Calculation Form

Answers to common questions about completion, acceptance, eSignature use, and retention for the load calculation form.

Need help? Contact support

Who must complete the form and sign it?
A qualified party completes the calculations—typically a licensed electrician or an electrical engineer depending on project scope. Signatory requirements vary by AHJ; commercial or critical facilities often require an engineer’s stamp and license number.
Can the form be signed electronically?
Yes. Electronic signatures that meet ESIGN (15 U.S.C. ch. 96) and applicable state law are acceptable when the AHJ permits e-submissions. Ensure the e-signature platform provides an audit trail and signer attribution.
Is an engineer stamp or notarization required?
Some jurisdictions require a licensed professional’s stamp for commercial projects or where calculations affect life‑safety systems. Notarization is uncommon for load calculations but verify local AHJ rules before filing.
What calculation errors cause the most problems?
Common issues include omitted motor starting currents, incorrect demand factor application, mismatched service voltage, and missing single-line diagrams. Each can result in plan-review comments or inspection failure.
How long should completed forms be kept?
Retain for the project life and follow federal and industry rules: IRS records three years (IRC §6501(a)); healthcare records six years (45 CFR §164.530(j)). State rules may require longer retention.
Where do I file the completed form for permitting?
File with the local authority having jurisdiction as part of the building or electrical permit package. Confirm whether the AHJ accepts electronic submissions and specific file formats such as PDF/A.

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