LS6SGU

LS6SGU is a MIL-SPEC wire and cable (US military) cable designation: LS = LS: low smoke, halogen-free shipboard cable (MIL-DTL-24643); 6 = 6: six conductors; U = U: unarmoured; the armoured type of the same sheet ends in A (LSDSGA, LSTSGA, LS6SGA); LS6SGU = LS6SGU: MIL-DTL-24643/19 low smoke shipboard power cable, 6 conductors, unarmoured, 1000 V. 1000 V, watertight, non-flexing (distributor sheets). MIL-DTL-24643/19 (MIL-DTL-24643C).

1 coding system recognises this code

MIL-SPEC wire and cable (US military)

SymbolMeaning
LSLS: low smoke, halogen-free shipboard cable (MIL-DTL-24643)
66: six conductors
UU: unarmoured; the armoured type of the same sheet ends in A (LSDSGA, LSTSGA, LS6SGA)
LS6SGULS6SGU: MIL-DTL-24643/19 low smoke shipboard power cable, 6 conductors, unarmoured, 1000 V. 1000 V, watertight, non-flexing (distributor sheets). MIL-DTL-24643/19 (MIL-DTL-24643C)

What is LS6SGU cable?

LS6SGU: MIL-DTL-24643/19 low smoke shipboard power cable, 6 conductors, unarmoured, 1000 V. Rating: 1000 V, watertight, non-flexing (distributor sheets). Standard: MIL-DTL-24643/19 (MIL-DTL-24643C).

MIL-DTL-24643C (2009, standard, read on EverySpec) lists LS6SGU among its cable types (Table VII qualification groups: e.g. LSDSGU-3, LSTSGU-150, LSDSGU-50), with no letter key; the construction is on the detail sheet MIL-DTL-24643/19, not read. AWC's M24643/19 page (distributor, read through a search extract): 6 stranded bare copper conductors, silicone rubber, glass braid and tape insulation, LSZH cross-linked polyolefin jacket, 1000 V; the armoured twin has a braided aluminium armour. The S and G of the name are not explained in any source read. The number after the hyphen is the size code of the sheet.

Documents and pages the readings were taken from

MIL-SPEC wire and cable (US military): how to read the cable type names

Fire behaviour (EU CPR)

  • Halogen-free compound (LS). Under the CPR this shows in the additional classes: acidity a1 to a3 (EN 60754-2) and smoke s1 to s3 (EN 50399; s1a and s1b add the 3 m cube test EN 61034-2). The main class, Aca to Fca, depends on the whole construction.

    Typically targeted, as declared by makers for this kind of construction in the examples this site checked (not the class of this cable):

    Listed as sources, alphabetically by maker. No maker pays to appear here.

  • Low-smoke compound (LS6SGU). Smoke is graded s1 to s3 on the EN 50399 ladder; s1a and s1b add the 3 m cube test EN 61034-2.

A CPR class is declared by the maker in its Declaration of Performance and printed on the sheath (EN 50575 cl 7). This decoder does not assign one. What the CPR classes mean →

Sources: EN 13501-6 draft and FprEN 50575:2014 final draft (drafts, not the published texts); IEC 60332-3-24:2000+A1:2008; EN 13501-3 draft A2.

Work with LS6SGU

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LS6SGU