Replace Electric Oven: Simple Step‑by‑Step Guide

Thinking about swapping out your old electric oven for a new one? You don’t need a degree in engineering – just a bit of patience, the right tools, and a focus on safety. In this guide we walk you through everything you need to know, from unplugging the old unit to getting the new oven wired correctly.

What You’ll Need Before You Start

Gather these items first so you don’t have to pause mid‑job:

• Adjustable wrench or socket set
• Screwdriver (Phillips and flat‑head)
• Voltage tester or multimeter
• Level and measuring tape
• Safety gloves and goggles
• Electrical tape and wire nuts (if new connectors are needed)

Most of these tools are already in a typical DIY toolbox. If you’re missing anything, a local hardware store can set you up in minutes.

Step 1 – Turn Off Power and Clear the Area

First thing: shut off the circuit breaker that feeds the oven. Even if the plug is unplugged, the wiring inside the wall can still be live. Use a voltage tester on the outlet to confirm there’s no power.

Next, pull the oven away from the wall. You’ll likely need a helper – these units weigh a lot. Clear the floor around it so you can work comfortably.

Step 2 – Disconnect the Old Oven

Most electric ovens connect with a three‑wire cord (two hot wires and a ground). Unscrew the terminal block, note which wire goes where (a quick photo helps), and then loosen the wire nuts.

If your oven is hard‑wired, you’ll see a junction box behind it. Same process: label, loosen, and set the wires aside.

Step 3 – Prep the New Oven

Check the new oven’s dimensions against the cut‑out in your cabinet. If it’s bigger, you may need to trim the surrounding wood – measure twice, cut once.

Open the back of the new oven and locate the wiring terminals. Match the colors to your old connections: typically black and red are hot, green or bare copper is ground. Tighten the wire nuts securely and tuck the wires neatly into the back panel.

Step 4 – Install and Test

Slide the new oven into place, making sure it sits level. Use a spirit level to check front‑to‑back and side‑to‑side. Secure the oven with the mounting brackets that came with it.

Turn the breaker back on and use the voltage tester on the outlet to ensure you have the correct voltage (usually 240 V in the UK). Then, run a quick self‑test – most ovens have a ‘Bake’ or ‘Broil’ function you can start for a minute to see if it heats.

When to Call a Pro

If you spot any damaged wiring, aren’t comfortable handling live electricity, or the new oven’s power requirements don’t match your circuit, stop and call an electrician. It’s cheaper to pay for a safe install than to fix a fire later.

Also, if your kitchen lacks a dedicated 240 V line, an electrician will need to add one – a job that’s beyond DIY for most homeowners.

Replacing an electric oven can be a rewarding weekend project. With the right prep, a clear step‑by‑step plan, and a safety‑first mindset, you’ll have a fresh oven ready to bake, roast, and broil in no time.