Planning a Kitchen Renovation? Electrical Upgrades You Might Need

May 30, 2025

Planning a kitchen renovation is exciting, but it can become overwhelming when electrical upgrades come into play. Your local Central Coast electrician experts at Hudson Electrical understand that the heart of your home requires both aesthetic and functional improvements to ensure safety, efficiency, and future readiness. Whether upgrading your power supply for new high-powered appliances, installing additional outlets, or modernising your kitchen lighting, approach these changes with a comprehensive plan in mind.

In this guide, you will see the critical components of the electrical upgrades and help you have a kitchen that meets today's standards. Let’s get started!

1. Upgrading Power Supply for Modern Appliances

Modern appliances require more electricity than ever. Modern kitchens are being equipped with advanced appliances that are designed to enhance convenience and efficiency. But these high-performance appliances come with increased power requirements. Upgrading your power supply is essential when integrating modern appliances, and how to do so in a way that ensures compliance, protects your investment, and supports your household’s evolving lifestyle.

Dedicated Circuits for Enhanced Safety and Performance

Modern appliances often require dedicated circuits to function safely and efficiently. These circuits are specific electrical lines that run directly from the main electrical panel to a designated appliance, ensuring that it receives consistent power without interference from other devices.

  • New Ovens: Today's ovens are equipped with advanced features such as convection fans, self-cleaning options, and smart technology, all of which demand a steady power supply. A dedicated circuit ensures these ovens operate without tripping the breaker or causing electrical disturbances.
  • Induction Cooktops: Induction cooking is a breakthrough technology known for its speed and energy efficiency. However, it requires significant power, often necessitating a dedicated circuit to prevent overloads and maintain performance.
  • Dishwashers: While dishwashers have become more energy-efficient, their advanced cycles and heating elements still require a dedicated power supply to avoid interruptions and ensure effective cleaning performance.

Upgrading to a 20A or 32A Circuit for High-Powered Appliances

As households adopt more advanced and energy-intensive appliances, it becomes essential to ensure your electrical system can safely support them. Standard 10A or 15A circuits may not provide enough capacity, leading to frequent tripping, overheating, or fire risks. That’s where upgrading to a dedicated 20A or 32A circuit comes in. For homeowners planning renovations or appliance upgrades, understanding when and why to install these higher-capacity circuits is key.

20A Circuit

A 20A circuit is typically sufficient for most standard kitchen appliances. It provides a balance between power capacity and energy efficiency, making it a common choice for residential kitchens. 20A circuits are commonly used for:

  • Microwave ovens with higher wattage
  • Toaster ovens and countertop grills
  • Portable air conditioning units
  • Small workshop tools or hobby equipment
  • Large washing machines or dryers (in some setups)

32A Circuit

For high-powered appliances, a 32A circuit may be required. This higher amperage circuit can handle the substantial power draw of such appliances, ensuring they operate safely without risking electrical fires or power outages. 32A circuits are suited for even more demanding appliances, such as:

  • Electric cooktops and induction stoves
  • Wall-mounted or ducted electric ovens
  • Hot water systems (especially instant or tankless)
  • Electric vehicle (EV) chargers
  • Large reverse-cycle split system air conditioners
  • Spa or hot tub heating units

Why Older Kitchens May Not Have the Capacity for Modern Appliance Loads

Homes built before the late 20th century often lack the infrastructure to support today’s kitchen technology. Here are some reasons why older kitchens might struggle with modern appliance loads:

  • Limited Electrical Infrastructure: Older homes often feature outdated electrical infrastructure with lower-capacity circuits. These circuits were primarily designed for basic kitchen appliances, such as traditional ovens and stovetops, which required less power than their modern counterparts.
  • Inadequate Circuitry: The electrical panels in older homes may not have enough space for additional circuits needed to support modern appliances. This can limit the homeowner's ability to add dedicated circuits without an upgrade to the electrical panel itself.
  • Outdated Wiring: Older wiring systems may not be equipped to handle the higher electrical loads demanded by modern appliances. This can increase the risk of electrical issues such as overheating, which could lead to more complicated issues.
  • Compliance with Current Standards: Building codes and electrical standards have evolved over the years. Older kitchens may not comply with current requirements for electrical safety and efficiency, making it necessary to upgrade circuits to meet these modern standards.

2. Installing Additional Power Points

In today’s modern homes, the demand for accessible and conveniently placed power points has never been greater. With more devices, appliances, and smart technologies in daily use, relying on a handful of outdated outlets can lead to overloaded power boards, unsightly extension cords, and potential safety hazards. Always remember that installing additional power points is a practical and often necessary upgrade.

Addressing the Shortage of Power Outlets in Older Kitchens

Many older homes were built at a time when the electrical demand was minimal compared to today's standards. Kitchens in these homes often have a limited number of power outlets, typically designed to support only the essential appliances like the refrigerator and oven. However, with the proliferation of modern conveniences such as coffee machines, toasters, blenders, and other small appliances, the need for additional outlets has become apparent.

Strategic Placement for Maximum Utility

When installing additional power points, strategic placement is key to maximising utility and convenience in your kitchen. Different approaches involve a thorough analysis of your kitchen layout and appliance usage to determine the best locations for new outlets.

  • Benchtop Appliances: Most kitchen activities occur on the benchtop, where appliances like mixers, food processors, and kettles are frequently used. Installing outlets along the backsplash or on the walls adjacent to the benchtop can prevent the need for unsightly and dangerous extension cords.
  • Under Cabinets: Consider installing outlets under the cabinets for a seamless and uncluttered look. This placement hides the outlets from view and provides easy access for appliances stored on the countertop without constantly unplugging and plugging cords.
  • Inside Pantries: Modern kitchens often incorporate pantries not just for storage but for housing secondary appliances like microwaves or charging stations for small gadgets. Installing outlets inside the pantry allows you to keep these appliances plugged in and ready for use without cluttering the main kitchen area.

Integrating USB Outlets for Modern Needs

Today’s kitchen serves more than just cooking—it’s a multifunctional space where family members often find themselves needing to charge their devices. Integrating USB outlets into your kitchen renovation plan can add functionality that caters to this modern need.

  • Convenient Charging Stations: By installing USB outlets, you eliminate the need for bulky adapters, allowing for a more streamlined and efficient charging experience. Strategic locations for these outlets include areas near seating or dining areas, where people are likely to spend time using their devices.
  • Future-Proofing Your Kitchen: As technology continues to advance, the demand for USB charging capabilities will only increase. Including USB outlets in your renovation ensures that your kitchen remains relevant and functional for years to come, accommodating current and future devices.

3. Modernising Kitchen Lighting

In planning a kitchen renovation, updating the lighting is a crucial step that can enhance the functionality and aesthetics of your space. As a homeowner, you must understand that modern kitchens demand more than just basic illumination. They require a well-thought-out lighting plan that addresses various needs and enhances the overall design. Below are some key considerations and upgrades in kitchen lighting that can transform your culinary space.

Replacing Outdated Fittings with LED Downlights or Strip Lighting

One of the effective ways to modernise your kitchen lighting is by replacing outdated fittings with LED Downlights or strip lighting. LED technology offers numerous benefits, including energy efficiency, longer lifespan, and superior light quality compared to traditional incandescent or fluorescent bulbs.

LED Downlights

These fixtures are ideal for providing general ambient lighting. They can be strategically placed across the ceiling to ensure even illumination throughout the kitchen. LED Downlights come in various sizes, beam angles, and colour temperatures, allowing you to customise the lighting to suit your specific needs and design preferences.

LED Strip Lighting

Perfect for accentuating architectural features or providing additional lighting in specific areas, LED Strip Lighting is often used under cabinets, along toe kicks, or above countertops. This type of lighting adds a modern touch and can be an eye-catching element that highlights the kitchen's design elements.

Installing Task Lighting Under Cabinets for Improved Visibility

Task lighting is essential in the kitchen, where precise activities such as chopping, mixing, and cooking require adequate illumination. Under-cabinet lighting is an excellent solution for providing focused light directly onto work surfaces, reducing shadows and enhancing visibility. LED strip lights or puck lights are popular choices for under-cabinet lighting. They are discreet, easy to install, and provide bright, directed light that is perfect for task-oriented areas.

Dimmer Switches and Zoning for Layered Lighting Design

To create a dynamic and flexible lighting environment, consider incorporating dimmer switches and zoning into your kitchen design. This allows you to adjust the lighting levels to suit different times of day or activities, creating a layered lighting effect that enhances the kitchen's ambience.

  • Dimmer Switches: Installing dimmer switches gives you the ability to control the intensity of the light, providing the option for bright task lighting or softer ambient lighting as needed. This flexibility contributes to energy savings and allows for mood setting during different occasions.
  • Lighting Zones: By dividing the kitchen into different lighting zones, you can tailor the lighting design to specific areas and functions. For instance, you might have one zone for general lighting, another for task lighting, and a third for accent lighting. This approach ensures that each area is appropriately lit.

4. Ensuring Safety and Compliance

When planning a kitchen renovation, prioritising electrical safety and compliance is crucial to protect your family and your investment. Specific regulations and standards must be met to ensure that your kitchen is not only functional but also safe. Here are the key considerations and requirements for electrical upgrades in your kitchen renovation.

RCD (Safety Switch) Protection

One of the critical elements in modern electrical safety is the installation of Residual Current Devices (RCDs), commonly known as safety switches. These devices are designed to prevent electric shock by cutting off the power supply if they detect an imbalance in the electrical current.

  • Mandatory Installation: Following current regulations, RCD protection is required on all new circuits. This means that any new electrical circuits installed during your kitchen renovation must include an RCD to enhance safety.
  • Regular Testing: It's important to test your RCDs regularly to ensure they function correctly. A simple push of the test button on the device can confirm its operational status. For optimal safety, conduct these tests every six months.

Earthing and Proper Wiring for Metal Appliances and Sinks

Proper earthing and wiring are essential for preventing electrical shocks, especially in areas like the kitchen where metal appliances and sinks are prevalent. All metal fixtures, appliances, and sinks in your kitchen must be adequately earthed. This ensures that any stray electrical currents are safely directed into the ground, reducing the risk of electrical shock.

Meeting AS/NZS 3000 (Wiring Rules)

AS/NZS 3000:2018 is a joint Australian/New Zealand standard developed by Standards Australia and Standards New Zealand. It forms the basis of all residential, commercial, and industrial electrical installations across both countries. Also known as the Wiring Rules, it is legally enforceable in most jurisdictions and is regularly updated to reflect new technologies, safety methods, and construction practices. Even if you’re not performing the electrical work yourself, knowing the purpose of AS/NZS 3000 gives you confidence that:

  • Your electrical work is being done safely and correctly.
  • Your property is protected from common risks like electric shock, fire, or equipment damage.
  • The installation will pass inspections and meet all insurance and compliance requirements.

Adhering to Local Central Coast Regulations

In addition to national standards, local regulations specific to the Central Coast must be considered. Here are some permits and approvals you need to be aware of:

  • Development Application (DA) or Complying Development Certificate (CDC): Depending on the scope of your renovation, you may need to submit a DA or obtain a CDC. Minor renovations might be exempt, but structural changes or alterations to plumbing and electrical systems typically require approval.
  • Electrical Work Compliance: All electrical work must comply with the Australian/New Zealand Wiring Rules (AS/NZS 3000). Only a licensed electrician should carry out electrical installations, and they must provide a Certificate of Compliance Electrical Work (CCEW) upon completion.
  • Inspections and Certifications: The Central Coast Council mandates inspections at various stages of construction to ensure compliance with building codes and standards. It's crucial to schedule these inspections as required.

5. Switchboard and Circuit Capacity Check

A crucial aspect of your kitchen renovation involves evaluating your existing electrical system to ensure it can support the new appliances and layout. This includes a thorough assessment of your switchboard and circuit capacity. Understanding these components is vital for a safe and efficient kitchen upgrade. Here’s what you need to know:

Evaluating Whether Your Existing Switchboard Can Handle the Added Load

When planning a kitchen renovation, you must assess whether your current switchboard can accommodate the increased electrical demand because of new appliances and configurations. Modern kitchens often require additional power for high-demand appliances such as induction cooktops, double ovens, and other electrical devices. Here are the key factors to consider:

  • Current Load Evaluation: Begin by assessing the existing electrical load on your switchboard. This involves calculating the total power demand of your kitchen appliances and comparing it to the capacity of your current switchboard. Consider the existing load and the anticipated increase due to new appliances.
  • Appliance Specifications: Gather the electrical specifications of all new appliances, including wattage and voltage requirements. This information is critical to determine the total additional load they will impose on your system.
  • Professional Assessment: Engage a licensed electrician to conduct a comprehensive evaluation of your switchboard. They have the expertise to accurately measure the current load and forecast future demands, ensuring your system can handle the changes without risk.

When a Full Switchboard Upgrade May Be Necessary During Renovation

In some cases, your existing switchboard may not suffice to support the increased load, necessitating an upgrade. Here are scenarios where a full switchboard upgrade might be necessary:

  • Ageing Infrastructure: Older switchboards may not meet current electrical standards or support modern appliances. Upgrading to a new switchboard can enhance safety and efficiency.
  • Insufficient Circuit Breakers: If your current switchboard lacks enough circuit breakers to accommodate additional circuits, an upgrade will be necessary to ensure each appliance operates on a dedicated circuit.
  • Safety Concerns: If your switchboard contains outdated fuse systems or displays signs of wear and tear, such as burning smells or frequent tripping, an upgrade is essential to prevent electrical hazards.

Importance of Load Balancing Across Circuits

Proper load balancing across circuits is vital to maintain an efficient and safe electrical system in your kitchen. Here’s why it matters:

  • Preventing Overloads: Distributing electrical load evenly across circuits prevents any single circuit from becoming overloaded, which could lead to tripped breakers or even electrical fires.
  • Optimising Performance: Balanced circuits ensure that all appliances receive the necessary power without strain, maintaining their performance and longevity.
  • Reducing Energy Costs: Efficient load distribution can help minimise energy wastage, leading to potential savings on your electricity bill.

6. Planning for Future-Proofing

Savvy homeowners know the real value lies in preparing for what’s next. Future-proofing your home means making smart, forward-thinking decisions that anticipate changes in technology, lifestyle, and energy use. Since you're planning a kitchen renovation, taking a future-focused approach helps ensure your home remains functional, efficient, and valuable for upcoming years. By future-proofing now, you avoid costly retrofits and create a living space that can adapt as your family grows, your habits change, or innovations become available.

Wiring for Future Upgrades

Wiring your home with future upgrades in mind is one of the smartest decisions you can make during a renovation or new build. With technology evolving rapidly and households relying more than ever on high-powered and connected devices, your electrical infrastructure must be flexible enough to handle tomorrow’s demands, not just today’s.

Smart Home Integration

With the rapid advancement of smart home technology, integrating smart systems into your kitchen is increasingly desirable. This includes smart lighting, voice-activated assistants, smart refrigerators, and more. To accommodate these technologies, consider the following:

  • Dedicated Circuits: Install dedicated circuits for high-tech appliances and smart devices to prevent overloading existing circuits.
  • Network Cabling: Include Ethernet cabling within your kitchen's walls for a more reliable connection for smart appliances and devices.
  • Wi-Fi Enhancement: Ensure strong Wi-Fi coverage by planning the placement of routers and installing boosters or additional access points.

Kitchen Extensions and Remodels

As your family grows or your needs change, you might consider extending your kitchen. Planning for such possibilities during the initial renovation can save time and money later.

  • Expandable Circuits: Use electrical panels with spare capacity for additional circuits to accommodate future extensions.
  • Conduit Installation: Install conduits in walls and floors during your renovation to allow easy addition of wiring without disruption.

Ensuring Flexible Power Options for New Layouts and Appliances

A kitchen renovation often involves changing the layout, which can affect power needs. Flexibility is key to adapting to new configurations and appliances.

  • Multiple Outlets: Install a generous number of outlets along countertops, islands, and other workspaces to ensure accessibility wherever you might need power.
  • Adjustable Lighting: Employ dimmable lighting solutions and multiple light sources to adapt to various tasks and moods, ensuring functionality and ambience.
  • Universal Outlets: Consider installing outlets that include USB ports for charging mobile devices directly.

Considering Surge Protection for Sensitive Kitchen Electronics

Power surges can result from lightning strikes, utility grid fluctuations, or even from large appliances cycling on and off. These spikes, while often lasting just milliseconds, can cause serious damage to sensitive circuitry inside your kitchen devices, leading to costly repairs or full replacements. Installing surge protection is a proactive and cost-effective solution. This can range from:

  • Whole-House Surge Protectors: Install a whole-house surge protector at the main electrical panel to shield all connected devices and appliances from surges.
  • Point-of-Use Surge Protectors: Use additional point-of-use surge protectors for individual appliances and electronics, providing an extra layer of defence.
  • Regular Maintenance: Schedule routine checks with a licensed electrician to ensure all surge protection measures remain effective over time.

A kitchen renovation offers more than just visual appeal—it’s your chance to create a safer, smarter, and more functional space. By upgrading your electrical system, adding thoughtfully placed power points, modernising lighting, and planning for future needs, you ensure your kitchen stands the test of time. With careful planning and help from licensed professionals, your renovation can meet today’s demands while staying ready for tomorrow’s innovations.

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