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“What size of fuse do I need in my plug?" has the potential for many answers, but it's ultimately up to you what will work best.

It's difficult to know how much power or amperage these items need if we don't know how much electricity we'll use; sometimes people believe that bigger sizes are safer because they're intended more as a precaution than anything else, but keep in mind: A higher number doesn't always imply superior quality! Just make sure whatever type/brand you choose is approved by the manufacturers' guidelines, or consult your local electrician.
Equipment such as table lamps should use a 3A fuse, if the old one has blown or not been fitted correctly at all.
The size of fuses used for most other household appliances lie between 5A and 13A. This is just a general idea though; we can't tell you exactly what you need without knowing how big and powerful your appliances are. Although, we're talking about the smaller household items like:
With this in mind, you can see why it is sometimes difficult to recommend exact sizes without knowing more information. If you give an exact size, the person taking advice may look up the wrong information and replace it with something else entirely.
When choosing a fuse it is important to be mindful of what that item needs and pick a safe value considering safety and your budget. You shouldn't pay more than £1 for each fuse.
If you are still confused about the sizes of fuses for different appliances in your home, here are some general guidelines:

It's crucial to note that fuses with lesser amperage than your appliances require are prone to triggering when they're in use. This can be really inconvenient.
While looking for the size of fuses needed, just be sure to match up what's appropriate and stay safe! You'll want to look at the fuse rating rather than the maximum amperage of your appliances.
Please note we are an Electrical Contracting Company, and NOT an electrical wholesaler. We do not sell Fuses. If you are looking for a fuse - Try ... https://www.tlc-direct.co.uk/tcl/search?query=fuse
For further Information, please do not hesitate to contact us.
Telephone: 01892 531728
Terry did a nice job. More importantly my wife said, “He can come here any time.” Praise indeed!
I have always found Karen and her team at Bright Spark to be friendly, professional and reliable. Their quotes have been reasonably priced and provide a thorough breakdown of costs for replacements parts and labour. I highly recommend them.
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We recently appointed Bright Spark Electrical Services for upgrading our home electrics. Initially their quotation submitted was very professional, every detail of work to be carried out was itemised. The work was completed very efficiently and very speedily. In fact a good tidy electrical job. I believe in giving credit where it is due I would recommend Bright Spark Electrical Services not only for the work completed in my home, but also for their impressive record, which can be easily checked.
I needed a job done really 'sooner rather than later' and at a weekend too! Karen came out, assessed what needed to be done and set to work straight away. Job done, cleared up and on her way within the hour! Not often you get that service! Certainly will keep her number on my mobile and recommend to anyone who needs an electrical job done!