Nov 04, 2025
Preventing catastrophic industrial process failure How SPDs do their job SPDs protect connected systems by diverting damaging voltage and currents away from downstream equipment.
Apr 19, 2026
SPDs are usually installed within a consumer unit or a distribution board to protect an electrical installation and connected equipment but can also be installed locally to protect an individual item of
Jun 01, 2026
If I am adding new circuits to an existing distribution board within an installation, do I need to consider installing an SPD to protect that distribution board?
Jun 13, 2026
Learn how Surge Protection Devices (SPDs) safeguard electronics from voltage spikes, prevent costly damage, and ensure smooth operations with
Mar 11, 2026
In today''s interconnected world, where our homes are filled with electronic devices and appliances, protecting our electrical systems from unforeseen events like
Sep 19, 2025
In this Surge Protection Devices (SPD) guide, you''ll learn why SPDs are essential for protecting modern electrical systems
Aug 18, 2025
Services supplying all dwelling units require surge protection devices (SPDs) located within the equipment or adjacent to it. Both Type 1 SPDs and Type 2 SPDs are acceptable.
Sep 01, 2025
Do all distribution boards need SPDs? Modern standards recommend SPDs where sensitive equipment exists, especially at main
May 31, 2026
Kirsty Johnson MIET, Technical Director at Surge Protection Devices, answers some of the common queries around the use of SPDs
Jan 07, 2026
The National Electrical Code (NEC) 2023 says you must install surge protection in all homes, dorms, hotels, and nursing homes. You need to put the device at the service entrance or right next to it.
Jul 12, 2026
A technical guide to surge protection devices: how SPDs work, BS 7671 requirements, Type 1/2/3 selection, and installation best practices for electricians.
Aug 16, 2025
Proper installation is critical for TYPE 2 SPD to provide effective surge protection against transient overvoltages and overvoltage events. Even high
Oct 11, 2025
The 2023 National Electrical Code (NEC) significantly expanded and clarified requirements for surge-protective devices (SPDs). These rules apply not
Sep 10, 2025
RF Lighting said: I don''t really have any experience of designing SPDs into an installation like this, and I am wondering whether standard practice would be to just install a single SPD at the
Jul 04, 2026
Industry impact: Mandatory installation of Type 1 or Type 2 SPDs in dwelling units ensures enhanced protection for residential electrical systems, reducing risks of equipment damage and fire hazards
Jan 30, 2026
Under NEC 2023 Article 230.67, all services supplying dwelling units must have a Type 1 or Type 2 SPD installed. This requirement applies to: The
Nov 13, 2025
With the latest regs making surge protection a talking point on nearly every install, 3 phase SPDs are cropping up in more boards – whether you''re wiring up a
May 09, 2026
Would it be better to install a SPD at the service disconnect and use a 4-wire device or at the inside panel with only 3 wires (+gnd)? It seems like outside would have a better path to divert
Nov 23, 2025
This handy guide by Europa details what sort of device do I need?, when do i need to fit a surge device? and do i need a surge device fitted in a domestic house consumer unit?
Nov 10, 2025
For these reasons, it is important to appropriately assess when – and where within an installation – SPDs should be installed to provide the necessary overvoltage protection cost-efectively.
Dec 17, 2025
Surge Protective Devices (SPD) are used to protect the electrical installation, which consists of the consumer unit, wiring and accessories, from electrical power surges known as transient
Mar 30, 2026
The basic position of section 443 is now that SPDs shall be installed. In practical terms, most installations will have distribution boards that require surge protection due to the indents above.
Dec 10, 2025
Integrated SPDs can damage the electrical distribution system during failure conditions; non-integrated SPDs cannot. Externally mounted SPDs offer
Aug 28, 2025
Surge Protection Devices (SPDs) - Ultimate Guide 7 Surge protection devices (SPDs) have become essential in safeguarding electrical systems from
Mar 10, 2026
Article 230.67 (C) of NEC 2020/2023 specifies two types of SPDs and recommends the use of at least one of them for whole house protection. Type 1 SPDs are installed before the main device in the load
Jul 18, 2025
Some insurance companies only pay out if you have an SPD installed SPDs allow you to install car chargers with more with peace of mind Our expert electricians
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