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Joined: Mar 2001
Posts: 2,056
R
Redsy Offline OP
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Drum roll, please...
McGraw-Hill's 1990 NEC Handbook, by Joseph & Brian McPartland explain:
Figure 338-1 shows 2 basic types of service-entrance cable for above ground use. The one without the armor over the conductors is referred to as "Type SE style U" - the letter U standing for "unarmored." That cable is sometimes designated as "Type SEU." The cable assembly with the armor is designated as "Type ASE" cable, with the "A" standing for "armored."
Note- figure 338-1 shows a side by side comparison of the layers of each cable. The ASE has an additional layer of flat, steel armor wrapped over the concentric neutral.

The book also explains that the R in SER stands for Round.

Joined: Oct 2000
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Redsy,

Oh Yeah, I knew that, but I wasn't allowed to play. It was only for "old-timers"

[Linked Image]
Bill


Bill
Joined: Oct 2000
Posts: 5,392
S
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Unarmored!
I would never have guessed.
[Linked Image]

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unilay: Cable with more than one layer of conductors with direction of lay and lay length the same for all layers.

I thought she got it with that one! (without my help too!)

"unarmored", though... OK...


-Virgil
Residential/Commercial Inspector
5 Star Inspections
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Joined: Dec 2000
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Golly, guys.
I don't think I've ever seen any...of either type!! (and I think I qualify as an old f**t)

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Electure,

You don't use SEU cable for services out by you? What is used for Residential (non-conduit) Services?

Bill


Bill
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Redsy sent this picture over:

[Linked Image]


Bill
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