Smiths Kelvin Hughes Nucleus 3 5000 Series, System Handbook

Page: 148 / 510

SMALL MULTI-CORE CA BLES
32 These ca bles are to con form to DEF STAN 61-12 (part
5). Each ca ble is to con sist of a num ber of in su lated
cores, col lec tively screened and clad in an outer sheath of
PVC.
Core De tails
33
The core de tails are as fol lows:
(1) Con duc tors con sist of 16 strands of 0.2mm
di am e ter tinned cop per wire.
(2) Nom i nal cross-sec tion area of con duc tor = 0.5
mm
2
.
(3) Nom i nal di am e ter of con duc tor = 0.93mm
(4) Nom i nal thick ness of in su la tion = 0.45mm
(5) Min i mum thick ness of in su la tion = 0.40mm
(6) Min i mum di am e ter of core = 1.75mm
(7) Max i mum di am e ter of core = 1.90mm
Braided Screen
34 The cores are laid-up, cov ered with bind ing tape over
which is wo ven a braid ing of 0.2mm di am e ter tinned
cop per wire.
Outer Sheath
35 An outer sheath of PVC com pound is ap plied by
ex tru sion over the wire braid ing.
Max i mum Cur rent Rat ing
36 The max i mum cur rent rat ings are as fol lows:
(1) 2.5 A at 1000 V dc.
(2) 2.5 A at 440 V ac at 1600Hz.
May 01 4b.10 Original
KH 2020
Chap 4b
AB BRE VI A TION COL OUR
R RED
B BLUE
G GREEN
Y YEL LOW
W WHITE
Bk BLACK
Bn BROWN
V VI O LET
O ORANGE
P PINK
T TUR QUOISE
S SLATE (grey)
R/B RED/BLUE
R/G RED/GREEN
R/Y RED/YEL LOW
R/W RED/WHITE
R/Bk RED/BLACK
R/Bn RED/BROWN
B/Y BLUE/YEL LOW
B/W BLUE/WHITE
B/Bk BLUE/BLACK
B/O BLUE/ORANGE
G/Y GREEN/YEL LOW
G/W GREEN/WHITE
G/Bk GREEN/BLACK
G/O GREEN/ORANGE
G/S GREEN/SLATE
Bn/Bk BROWN/BLACK
Bn/Y BROWN/YEL LOW
Bn/W BROWN/WHITE
S/B SLATE/BLUE
S/Bn SLATE/BROWN
V/Bk VI O LET/BLACK
V/Y VI O LET/YEL LOW
V/W VI O LET/WHITE
W/R WHITE/RED
WHITE CO-AX
SLATE CO-AX
N/C NO CON NEC TION
Table 4.3b - Cable Colour Abbreviations (38-Core)