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Installation
Panels, cable, protection - the design decisions that determine whether an installation is merely working or actually right.
InstallationPanel Upgrades: What Actually ChangesMost upgrades are sold as capacity. The real gains are usually protection and diagnosis.2026-06-11
InstallationCable Sizing Without the GuessworkFour factors, in order, and one of them is the reason so many installations run warm.2026-05-24
InstallationResidual Current Protection, PlainlyIt does not protect the circuit. It protects the person, and only from one specific way of dying.2026-05-06Working is a low bar
Plenty of installations function for years while being wrong: undersized on volt drop, derated by insulation nobody accounted for, protected by a device doing a job it was never meant to do. They pass casual inspection because nothing has failed yet. The distinction between working and correct is most of what this section is about.