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Do EV Chargers Need Surge Protection? What the 18th Edition Says

Most EV chargers require surge protection under BS 7671. This guide explains what the 18th Edition says, where SPDs must...

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Where Should You Install SPDs on a Three-Phase System?

Three-phase SPDs must be installed at the origin and on key submains to protect boards, EV chargers and industrial equipment...

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100mA S-Type RCDs: When You Need Time-Delay Protection

100mA S-Type RCDs provide upstream time-delay protection for submains, TT systems and outbuildings. This guide explains when they’re needed and...

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