Subjects

Careers

Open the App

Subjects

How to Safely Plug Electrical Appliances: 3 Core Cable, Fuse Sizes, and Wiring Colors Explained for Kids

5

0

user profile picture

Poppy Taylor robshaw

7/21/2025

Physics

plugs

97

Jul 21, 2025

2 pages

How to Safely Plug Electrical Appliances: 3 Core Cable, Fuse Sizes, and Wiring Colors Explained for Kids

user profile picture

Poppy Taylor robshaw

@poppytr4949

Electrical safety is crucial when using appliances in the kitchen.... Show more

Plugs
Fuse The fuse is designed to blow" if too much
current passes through them
Plug=The plug allows electrical appliances to be plugged
in

Wiring and Electrical Safety

Proper wiring is crucial for electrical safety. Each wire in a three-core cable has a specific function and must be connected correctly:

  1. The blue wire, known as the neutral wire, carries current out of the appliance and connects to the left terminal in the plug.
  2. The brown wire, called the live wire, brings current into the appliance and connects to the right terminal in the plug.
  3. The green and yellow wire, referred to as the earth wire, is a safety feature that directs excess current to the ground.

Highlight: Always remember the 3 core and earth cable colours: Brown for live, blue for neutral, and green/yellow for earth.

The fuse is a crucial safety component positioned between the live pin and live terminal. It has a low melting point to prevent fires by interrupting the circuit if too much current flows.

Definition: Mains electricity is the power generated by power stations and distributed through the National Grid. In the UK, it operates as an alternating current with a frequency of 50Hz and a potential difference of about 230V.

Example: When choosing a fuse for your appliance, consider its power rating. For most small kitchen appliances, a 3 amp fuse is suitable, while larger appliances may require a 13 amp fuse.

Understanding these concepts is essential for safely using electrical appliances in your home, especially in areas like the kitchen where multiple devices are often used simultaneously.

Plugs
Fuse The fuse is designed to blow" if too much
current passes through them
Plug=The plug allows electrical appliances to be plugged
in

Understanding Plugs and Electrical Safety

Plugs are essential components that allow electrical appliances to be safely connected to power sockets. They consist of several key parts, each serving a specific purpose in ensuring safe electrical usage.

Definition: A plug is a device that allows electrical appliances to be safely connected to a power socket.

The three-core electrical cable is a crucial element of a plug, providing a safe passage for electricity. It contains three wires, each with a specific function:

  1. Live wire brownbrown: Carries current into the appliance
  2. Neutral wire blueblue: Carries current out of the appliance
  3. Earth wire greenandyellowgreen and yellow: Provides a safety path for excess current

Highlight: Understanding the function of each wire is crucial for safely plugging electrical appliances in kitchen and other areas of the home.

The fuse is another critical component of a plug, designed to "blow" if too much current passes through it. This safety feature helps prevent electrical fires and damage to appliances.

Vocabulary: A conductor is a material that allows charge to move easily through it, such as copper wire. An insulator, on the other hand, is a material that doesn't allow heat or charge to move through it easily, like rubber.

The plug also features a cable grip that keeps the wires securely in place, ensuring a stable connection and preventing accidental disconnection.

Example: When wiring a plug, always ensure the live, neutral and earth wires are connected to the correct terminals. The live wire goes to the right, the neutral wire to the left, and the earth wire to the top.



We thought you’d never ask...

What is the Knowunity AI companion?

Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.

Where can I download the Knowunity app?

You can download the app in the Google Play Store and in the Apple App Store.

Is Knowunity really free of charge?

You have the choice, we offer a 100% secure payment via PayPal or an Amazon gift card. There is no limit to how much you can earn.

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.9/5

App Store

4.8/5

Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

iOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️

Thomas R

iOS user

Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades

Brad T

Android user

Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend

Aubrey

iOS user

Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀

Marco B

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!

Paul T

iOS user

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

iOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️

Thomas R

iOS user

Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades

Brad T

Android user

Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend

Aubrey

iOS user

Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀

Marco B

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!

Paul T

iOS user

 

Physics

97

Jul 21, 2025

2 pages

How to Safely Plug Electrical Appliances: 3 Core Cable, Fuse Sizes, and Wiring Colors Explained for Kids

user profile picture

Poppy Taylor robshaw

@poppytr4949

Electrical safety is crucial when using appliances in the kitchen. This guide explains the components of a plug, including the live, neutral and earth wire, and their functions. It also covers the importance of fuses and how to safely... Show more

Plugs
Fuse The fuse is designed to blow" if too much
current passes through them
Plug=The plug allows electrical appliances to be plugged
in

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Wiring and Electrical Safety

Proper wiring is crucial for electrical safety. Each wire in a three-core cable has a specific function and must be connected correctly:

  1. The blue wire, known as the neutral wire, carries current out of the appliance and connects to the left terminal in the plug.
  2. The brown wire, called the live wire, brings current into the appliance and connects to the right terminal in the plug.
  3. The green and yellow wire, referred to as the earth wire, is a safety feature that directs excess current to the ground.

Highlight: Always remember the 3 core and earth cable colours: Brown for live, blue for neutral, and green/yellow for earth.

The fuse is a crucial safety component positioned between the live pin and live terminal. It has a low melting point to prevent fires by interrupting the circuit if too much current flows.

Definition: Mains electricity is the power generated by power stations and distributed through the National Grid. In the UK, it operates as an alternating current with a frequency of 50Hz and a potential difference of about 230V.

Example: When choosing a fuse for your appliance, consider its power rating. For most small kitchen appliances, a 3 amp fuse is suitable, while larger appliances may require a 13 amp fuse.

Understanding these concepts is essential for safely using electrical appliances in your home, especially in areas like the kitchen where multiple devices are often used simultaneously.

Plugs
Fuse The fuse is designed to blow" if too much
current passes through them
Plug=The plug allows electrical appliances to be plugged
in

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Understanding Plugs and Electrical Safety

Plugs are essential components that allow electrical appliances to be safely connected to power sockets. They consist of several key parts, each serving a specific purpose in ensuring safe electrical usage.

Definition: A plug is a device that allows electrical appliances to be safely connected to a power socket.

The three-core electrical cable is a crucial element of a plug, providing a safe passage for electricity. It contains three wires, each with a specific function:

  1. Live wire brownbrown: Carries current into the appliance
  2. Neutral wire blueblue: Carries current out of the appliance
  3. Earth wire greenandyellowgreen and yellow: Provides a safety path for excess current

Highlight: Understanding the function of each wire is crucial for safely plugging electrical appliances in kitchen and other areas of the home.

The fuse is another critical component of a plug, designed to "blow" if too much current passes through it. This safety feature helps prevent electrical fires and damage to appliances.

Vocabulary: A conductor is a material that allows charge to move easily through it, such as copper wire. An insulator, on the other hand, is a material that doesn't allow heat or charge to move through it easily, like rubber.

The plug also features a cable grip that keeps the wires securely in place, ensuring a stable connection and preventing accidental disconnection.

Example: When wiring a plug, always ensure the live, neutral and earth wires are connected to the correct terminals. The live wire goes to the right, the neutral wire to the left, and the earth wire to the top.

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.

Where can I download the Knowunity app?

You can download the app in the Google Play Store and in the Apple App Store.

Is Knowunity really free of charge?

You have the choice, we offer a 100% secure payment via PayPal or an Amazon gift card. There is no limit to how much you can earn.

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.9/5

App Store

4.8/5

Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

iOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️

Thomas R

iOS user

Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades

Brad T

Android user

Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend

Aubrey

iOS user

Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀

Marco B

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!

Paul T

iOS user

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan S

iOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

Android user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️

Thomas R

iOS user

Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades

Brad T

Android user

Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.

Greenlight Bonnie

Android user

I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend

Aubrey

iOS user

Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀

Marco B

iOS user

THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮

Elisha

iOS user

This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!

Paul T

iOS user