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John Robertson John Robertson is offline
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Default POTS Telephone Block

On 2019/04/29 10:18 a.m., Fox's Mercantile wrote:
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.

Or this (second picture down):

I saw something like that in my grandmother's house back in the 60s...

John ;-#)#

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