How Old Is This Fuse?

collegefbfan · Jul 20, 2018

So, my new Dig Dig Hori Hori digging tool came in today. I did a little digging in the dark. Found this 30 amp fuse. It says Royal Crystal on it. Any idea of the age?

Bayoutalker · Jul 20, 2018

I don't know about the brand but that style of fuse can still be bought today.

Edit: they are available from Amazon.

Cliff

collegefbfan · Jul 20, 2018

Well my house has fuses and breakers. This was buried about 4 inches in the backyard. Just a brand I never heard of.

TexasLurker · Jul 20, 2018

Neat find. That company was formed in 1919 and still exists.

http://royalelectric.com/about-royal/

The earliest reference I can find on that brand of fuse is 1929.

https://books.google.com/books?id=L...#v=onepage&q=royal crystal glass fuse&f=false

metaladdict · Jul 20, 2018

My 1947 house has two of those still in the main feed .

GLASSHOPPER1955 · Jul 21, 2018

1940s-modern. The older ones were rubber housed.

How Old Is This Fuse?

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