TXSP

TXSP is a Norsk typebetegnelse (Norway) cable designation: T = 1st letter, insulation: cross-linked polyethylene, PEX ('Tverrbundet polyetylen'); HD 620 10-K Table 4: XLPE insulation; X = 2nd letter: no sheath or similar ('Ingen kappe e.l.'); not explained in HD 620 10-K Table 4; S = 3rd letter: concentric conductor ('Konsentrisk leder'); HD 620 10-K Table 4: copper screen; P = 4th letter, outer sheath: PVC (HD 620 10-K Table 4: PVC sheath); TXSP = TXSP: single-core medium-voltage cable, XLPE insulation, copper wire screen, PVC sheath (an A after the section: aluminium conductor). 12 kV (Um) in the Table 4 example; HD 620 10-K covers Um 12, 24 and 36 kV. HD 620 S3:2023 Part 10 Section K, Table 4 'Code designation (provisional)', p. 10-K-22 (owner's copy): T XLPE insulation, S copper screen, P PVC sheath, E PE sheath, L aluminium sheath, I halogen-free flame retardant sheath, A after the section aluminium conductor (no letter: copper); letter positions as tabled in the Nexans Kabelboka.

2 coding systems recognise this code

Norsk typebetegnelse (Norway)

Symbol	Meaning
`T`	1st letter, insulation: cross-linked polyethylene, PEX ('Tverrbundet polyetylen'); HD 620 10-K Table 4: XLPE insulation
`X`	2nd letter: no sheath or similar ('Ingen kappe e.l.'); not explained in HD 620 10-K Table 4
`S`	3rd letter: concentric conductor ('Konsentrisk leder'); HD 620 10-K Table 4: copper screen
`P`	4th letter, outer sheath: PVC (HD 620 10-K Table 4: PVC sheath)
`TXSP`	TXSP: single-core medium-voltage cable, XLPE insulation, copper wire screen, PVC sheath (an A after the section: aluminium conductor). 12 kV (Um) in the Table 4 example; HD 620 10-K covers Um 12, 24 and 36 kV. HD 620 S3:2023 Part 10 Section K, Table 4 'Code designation (provisional)', p. 10-K-22 (owner's copy): T XLPE insulation, S copper screen, P PVC sheath, E PE sheath, L aluminium sheath, I halogen-free flame retardant sheath, A after the section aluminium conductor (no letter: copper); letter positions as tabled in the Nexans Kabelboka

NEK 606

Symbol	Meaning
`T`	Cross-Linked Polyethylene (XLPE)
`X`	No Bedding Or Equivalent
`S`	Concentric Conductor (Screen)
`P`	Polyvinylchloride - Pvc

How to read a NEK 606 cable code

Fire behaviour (EU CPR)

PVC sheath (P).
Typically targeted, as declared by makers for this kind of construction in the examples this site checked (not the class of this cable):
- Eca N1XV-R, Ahlsell (seller)
- Cca-s3,d1,a3 FG16OR16, Nexans (La Triveneta Cavi)
- Eca U1000 R2V, Nexans (La Triveneta Cavi)
- Eca N2XSY, Waskönig+Walter (10 kV datasheet)
Listed as sources, alphabetically by maker. No maker pays to appear here.

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.

TXSP: equivalents in other countries

Shown for 1x240/25 12/20 kV. Each country's rules are applied to this build, keeping the conductor, section, cores, voltage, screen, armour and sheath.

Country	Standard	Name in that country	Verdict	Differences
International (IEC)	IEC 60502	Al/XLPE/CWS/PVC 1x240/25 12/20 kV (to IEC 60502-2)	Equivalent	Sheath 2.2 → 2.1 mm; Overall diameter 38.2 → 38 mm
Netherlands	HD 620 S3 10-J	YMvKrvas 12/20 kV 1x240 Al rs +as25 (key read from a maker (Nedkab), the NEN text not seen)	Close	Sheath 2.2 → 2.5 mm; Overall diameter 38.2 → 38.8 mm; this cable as built misses 1 of its rules
Germany	HD 620 S3 10-C (DIN VDE 0276-620)	NA2XSY 1x240 RM/25 12/20 kV	Close	Insulation screen (semicon) 0.8 → 0.6 mm; Sheath 2.2 → 2.5 mm; Overall diameter 38.2 → 38.4 mm; this cable as built misses 2 of its rules
Denmark	HD 620 S3 10-D	no letters for this build	Close	screen 25 → 35 mm² (HD 620 10-D Table 1); this cable as built misses 1 of its rules
Sweden	HD 620 S3 10-M	AXCKJ 1x240/35 12/20 (24) kV (NKT writes a near build without the C (AXLJ))	Close	screen 25 → 35 mm² (HD 620 10-M Tables 1A, 2A, 3A); Insulation screen (semicon) 0.8 → 0.6 mm; Overall diameter 38.2 → 37.8 mm; this cable as built misses 2 of its rules

No equivalent in: BS 6622 (armoured cables only).

Nominal values computed by each standard's rules, not manufacturer data. This is not a statement that two cables are interchangeable: the buyer's specification and the maker's type test decide.