Surge Protection Devices (SPD)
Surge Protection Advice
Electrical surges can damage appliances, electronics, and even your home’s wiring. A surge protection device (SPD) helps safeguard your property by diverting excess voltage safely to the ground.
What is a Surge?
A surge is a sudden spike in electrical voltage. Common causes include:
• Lightning strikes nearby
• Power grid switching
• Switching from nearby industrial units
• Faulty appliances or wiring
Even brief surges can harm sensitive electronics like computers, TVs, LED lighting, and smart home devices.
What is a Surge Protection Device (SPD)?
A surge protection device (SPD) helps keep your home and appliances safe from voltage spikes:
• Installed in your consumer unit or at key points in your electrical system
• Diverts any voltage spike of around 270V and above safely to the ground
• Protects appliances and wiring from damage caused by spikes in electricity
• Modern SPDs have built-in protection so don't require an MCB or RCBO to protect them
Types of Surge Protection
• Type 1: Installed at the origin of the electrical supply (main incoming supply), typically in homes with overhead power supply cables feeding the property, or buildings with lightning protection installed
• Type 2: Installed in consumer units to protect circuits and appliances inside your home. Most domestic installations use Type 2 SPDs
• Type 3: Installed close to sensitive devices (like TV or computer) for final stage protection; often incorporated into extension leads or plug-in devices
Why You Need Surge Protection
Surge protection helps safeguard your home and electronics in several ways:
• Protect expensive electronics: Computers, smart TVs, kitchen appliances, and home entertainment systems
• Prevent wiring damage: Surges can overheat or degrade cables over time
• Peace of mind: Reduces the risk of insurance claims or appliance replacement due to electrical spikes
Tips for Homeowners
• Surge protection should be included when installing or upgrading your consumer unit
• Combine with RCDs and RCBOs for complete electrical safety
• Hire a qualified, Part P registered electrician for installation
• Check that your surge protection device is rated for domestic or commercial use depending on your needs
Why Choose RW Currion Surge Protection Installation?
• Fully qualified and insured
• Clear explanations — no jargon
• Work completed to the latest BS 7671 standards
• Safety-first approach to protect your home, family, and electronics
• All installations come with full certification and are emailed for your records.
Honest advice on any surge protection work required
Call now: 01295 533378
Mobile: 07740 100378