The size of the wire and subpanel you'll need for a pergola with an outdoor kitchen depends on the electrical load you plan to have in the kitchen, including the appliances and lighting you intend to install. It's essential to ensure the electrical system can handle the total power demand without overloading the circuit.
Here are some general guidelines to help you determine the appropriate wire size and subpanel capacity:
Calculate the Load: Make a list of all the electrical appliances and devices you plan to use in the outdoor kitchen. Include items like refrigerators, grills, ovens, lighting fixtures, power outlets, etc. Find out the power ratings (in watts or amps) for each of these devices. Add up the total power requirements to determine the overall load.
Consider Future Expansion: If you think you might add more appliances or devices in the future, account for them in your load calculations to ensure the electrical system can handle the potential increased demand.
Consult a Professional Electrician: For safety and compliance with local electrical codes, it's crucial to consult with a licensed electrician. They will assess your specific requirements, local regulations, and electrical infrastructure to provide the most accurate recommendations.
Wire Size: The wire size will depend on the distance between the subpanel and the outdoor kitchen, as well as the total load. A larger distance and higher load will require a thicker wire to minimize voltage drop and ensure efficiency. Common wire sizes for outdoor kitchens might range from 8 AWG to 4 AWG, but the electrician will give you the appropriate recommendation based on your setup.
Subpanel Capacity: The subpanel's capacity should be adequate to handle the total load of the outdoor kitchen and any potential future expansions. Common subpanel capacities are 60 amps, 100 amps, 125 amps, or higher. Again, the electrician will help you determine the right size based on your specific needs.
Outdoor-rated Components: Given that the setup is for an outdoor kitchen, all electrical components, including the wire and subpanel, must be rated for outdoor use and be protected against the elements.
Remember, electricity and outdoor installations can be hazardous if not done correctly, so it's crucial to involve a qualified electrician from the planning stage to ensure a safe and compliant setup for your pergola with an outdoor kitchen.