If you have read any of UK manufacturer of electrical test equipment Kewtech‘s previous articles, you may already be familiar with the mantra “Test Before You Touch”.
In a previous piece, the company explored the risks of metallic surfaces becoming live. Here, it dives into a lesser-known but equally dangerous issue: phenolic breakdown in thermosetting plastics.
What are phenolic plastics?
Back in the late ’60s through the early ’90s, phenolic resin was the go-to ma