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Fox's Mercantile Fox's Mercantile is offline
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Default POTS Telephone Block

On 4/29/19 12:05 PM, J.B. Wood wrote:
Does anyone know if this terminal block provided an internal lightning
arrestor of some sort?

You're thinking of one of these:

And yes, the arresters are under the two hex caps.
A pair of carbon rectangles that would fail short and protect
the inside wiring.

"I am a river to my people."