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Non-Standard Single Armour Wires

CMP also provide alternate cable glands for when the cable armour wires are outside of the standard range.

This is especially true for single wire armour cables (SWA), where a change in the wire size can affect the cable gland selection.

IEC 605021 outlines the nominal wire sizes that should be used in relation to the cable bedding diameter.

There are two possible, and different outcomes, when there is a variation in the armour wire thickness, one being a different nominal size of wire is used in the cable manufacture, and another being the nominal wire thickness being over or under size. Details of these alternatives are included in the table below.

Cable Gland
Size
Example
Ordering Reference*
Armour Range
Standard
W Cone ‘1RA’Cable
Armour Range
Standard
X Cone ‘1RA’
Armour Range
Undersize ‘1RE’
Armour Range
Oversize '1RB'
MinMaxMinMaxMinMaxMinMax
20S1620S16T3CDS1RA0.81.250.31.00.71.151.151.6
20S20ST3CDS1RA0.81.250.31.00.71.151.151.6
2020T3CDS1RA0.81.250.41.00.71.151.151.6
25S25ST3CDS1RA1.251.60.41.20.771.221.632.13
2525T3CDS1RA1.251.60.41.20.771.221.632.13
3232T3CDS1RA1.62.00.41.21.121.622.02.6
4040T3CDS1RA1.62.00.41.61.121.622.02.6
50S50ST3CDS1RA2.02.50.41.61.332.02.43.1
5050T3CDS1RA2.02.50.61.61.332.02.43.1
63S63ST3CDS1RA2.02.50.61.61.332.02.43.1
6363T3CDS1RA2.02.50.61.61.332.02.43.1
75S75ST3CDS1RA2.02.50.61.61.332.02.43.1
7575T3CDS1RA2.53.00.61.61.832.532.83.5
9090T3CDS1RA3.154.00.81.62.03.23.64.3
100100T3CDS1RA3.154.00.81.62.03.23.64.3
115115T3CDS1RA3.154.00.81.62.03.23.64.3
130130T3CDS1RA3.154.00.81.62.03.23.64.3
All dimension shown are in millimetres unless otherwise stated
*Example ordering reference, T3CDS reference should be replaced by ordered Cable Gland.
1RA suffix should be replaced with reference depending on armour size needed
Cable Gland
Examples
Armour Range
Standard W Cone ‘1RA’
Armour Range
Standard X Cone ‘1RA’
Armour Range
Undersize ‘1RE’
Armour Range
Oversize ‘1RB’
CW / CX20CW1RA20CX1RA20CW1RE20CW1RB
E1U20E1U1RA20E1U1RA20E1U1RE20E1U1RB
E1FW / E1FX20E1FW1RA20E1FX1RA20E1FW1RE20E1FW1RB
PX2K20PX2K1RA20PX2K1RA20PX2K1RE20PX2K1RB
PX2KREX20PX2KREX1RA20PX2KREX1RA20PX2KREX1RE20PX2KREX1RB
T3CDS20T3CDS1RA20T3CDS1RA20T3CDS1RE20T3CDS1RB
Brass M20 shown as example

Brass M20 shown as example

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