Putting crimp connectors on wires is one of the most tedious things you’ll do. It’s not easy, either, unless you have some practice. Before you start digging in to a pile of connectors ...

Crimp connectors provide an easy and convenient way to connect electronics while still allowing for them to be removed and swapped without having to reach for a soldering iron and desoldering wick.

Electrical crimp connectors come in dozens of different materials and styles: nylon, PVC, non-insulated, insulated, heat shrinkable, ring, spade, Faston, Lucar, Shur-Plug—the list is extensive.

A report by Mr Glover - a principal engineer at investigations firm Failure Electrical - said he studied CT scans of the connector and found spaces "indicating the crimp was not nice and tight".