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. Common causes for power surges include: Why Should You Protect Your Network From Power Surges? Power surges can destroy your expensive. This section will identify the UL 1449 5th Edition Surge Protective Device (SPD) to efficiently protection your equipment and increase its reliability. There can be a multitude of AC input. When it comes to power supplies, ensuring that they meet the necessary protection standards is crucial. The International Electrotechnical Commission (IEC) has developed various standards, with IEC 61000-4-5 being the most common. So let's find out how we can protect our electronics together! Here are a few simple, effective measures you can take to protect your home network from storms: Unplug Your Electronics: If you hear. re lightning strikes and power surges. But as frequent and costly as these network threats can be, the solution can be simple and cost-effective if an organization employs appropriate surge protective technology that can help protect against blackouts, brow outs, noise, spikes, and power surges.