I didn't like them at first but I bought a starter kit at ELEX show last year and gradually figured out the best applications for them now I use them all the time especially with the Wago box enclosures.
I can't get a photo ( owner won't allow it ) but an MET block cut in half and then covered with a plastic box was a temporary fix many years ago. And still is in use.
Do NOT copy this "temporary" get the power back on ASAP method
Ive seen it done before where the earth blocks where just wrapped in PVC tape and p*ssing in the wind.
Line taps wrapped in tape aswell and even 60 amp choccy block used to joint 16mm tails.
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