1. What is an Electric Load Calculator for Home?

Definition: This calculator estimates the total electric load of a home by summing the power consumption of individual appliances.

Purpose: It helps homeowners and electricians determine the total power requirements for proper electrical system design and capacity planning.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( P_{kW} \) — Total electric load in kilowatts (kW)
• \( P_i \) — Power of individual appliances in watts (W)

Explanation: The power of each appliance is converted from watts to kilowatts (by dividing by 1000) and then summed to get the total load.

3. Importance of Electric Load Calculation

Details: Proper load calculation ensures your electrical system can handle all appliances safely, helps prevent circuit overloads, and is essential for generator sizing.

4. Using the Calculator

Tips: Enter the wattage of each appliance (find this on the appliance label or manual). Leave blank for appliances you don't have. All values must be ≥ 0.

5. Frequently Asked Questions (FAQ)

Q1: What's a typical home electric load?
A: Average homes range from 3-8 kW, but this varies greatly with appliance types and usage patterns.

Q2: Should I include all appliances?
A: Include all major appliances (AC, refrigerator, etc.) and any high-power devices you use regularly.

Q3: How does this relate to my electrical panel?
A: Your panel's amperage (e.g., 100A, 200A) should exceed your calculated load (including a safety margin).

Q4: What about devices that cycle on/off?
A: Use the rated power (higher value) for safety, not the average consumption.

Q5: How can I reduce my electric load?
A: Use energy-efficient appliances, LED lighting, and consider staggering use of high-power devices.