CY NR/OZ grey PVC screened control cable, no’d

CY NR/OZ grey screened control cable has number coded cores and an unbedded tinned copper wire braid which provides excellent protection against electrical interference.

These flexible and versatile CY NR/OZ grey cables are used for connecting, measuring, checking and control applications.

Suitable for installation in dry and moist rooms, outdoor installation not recommended. 

If protection against electrical interference is not required please see our range of YY control cables, If protection against mechanical damage is required please see our range of SY armoured control cables. 


Construction – CY NR/OZ grey
stranded plain copper conductors
polyvinylchloride (PVC) core insulation
tinned copper wire braid (TCWB) screen
grey oil resistant PVC outer sheath


Technical – CY NR/OZ grey
conductor make-up: class 5 (flexible fine stranded), see Stranding/Resistance page
bend radius: 6 x overall diameter (O/D) fixed, 20 x O/D flexing
voltage rating: 300/500V operating, 2000V test
current rating:  as per YY, CY or SY style cables chart, see Current Ratings page
temperature range: -15°C to +80°C flexible, -40°C to +80°C static
max. +70°C at conductor
construction: generally according to BS6500 & VDE0250
flame retardant:  according to IEC 60332-1
oil resistant:  according to EN 50525-2-51
core identification: OZ, usually 2 core = numbered black cores without earth (green/yellow)
NR, usually 3+ cores = numbered black cores with earth (inc. in core count)


A printable PDF specification is available here: CY NR/OZ grey PVC screened control cable, nunber coded cores.


Similar cables can be found elsewhere on our site as listed below.

Low smoke zero halogen sheathed: CY LSZH

Smaller conductor sizes (cores coloured to DIN47100): LIYCY

Highly flexible version: EF CY

Polyurethane sheathed: PUR CY


For alternative constructions (colours, braiding, etc.) return to the PVC Control Flex front page.


All measurements should be considered nominal and images for illustration purposes only. Although Central Cables Ltd has made every reasonable effort to ensure its accuracy, the information contained herein is subject to error or omission and to change without notice. In no event will Central Cables Ltd be liable for any damages whatsoever, arising in connection with the information described.