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Why Every UK Home Needs Surge Protection Devices (SPDs)
Why Every UK Home Needs Surge Protection Devices (SPDs)

In the UK, we often deal with power surges caused by lightning, grid switching, or the use of large appliances. These surges can damage expensive electrical devices like TVs, fridges, routers, and computers. That’s where SPDs (Surge Protection Devices) come in.

 

What is a Power Surge?

A power surge is a short spike in voltage that exceeds normal levels. UK homes typically use 230V. A surge can push this up to 400V or more, which may instantly harm sensitive electronics.

 

What is an SPD?

An SPD is a device that absorbs and redirects the excess voltage away from your home’s wiring. It’s usually installed inside your consumer unit.

There are three main types:

  • Type 1: Protects against lightning strikes (used in large buildings)
  • Type 2: Common in homes; protects from general surges
  • Type 3: Plug-in adapters for protecting single devices

 

Why Are SPDs Important?

  • Protect electronics: Computers, TVs, and other sensitive items can be costly to replace.
  • Prevent data loss: Surges can damage hard drives or smart systems.
  • Comply with UK standards: The latest regulations encourage SPD installation in homes with valuable electronic equipment.

 

When Should You Install an SPD?

  • If you’re upgrading your consumer unit
  • If you use a lot of electronics
  • If your area is prone to lightning or power cuts

 

Benefits of Surge Protection

  • Peace of mind: Know your devices are safe
  • Cost savings: Prevent costly repairs or replacements
  • Boosts home value: Modern safety features add appeal

 

Maintenance Tips

SPDs last for years but can wear out over time. Ask your electrician to inspect them during your routine electrical checks.

 

Final Advice:

Don’t wait for a surge to damage your appliances. Installing a Type 2 SPD in your consumer unit is a smart and affordable way to protect your home.

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