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PTC20/21W Partex clip-on marker holder, 21mm, pack 200
Partex PTC20/21W white PVC clip-on cable marker holder with a 21 mm transparent identification pocket, designed for cables with a 3.0–4.0 mm outside diameter and supplied in a pack of 200 for industrial electrical wire identification.
£10.12
Why Choose the Partex PTC20/21W Clip-On Marker Holder?
The Partex PTC20/21W is a practical and durable clip-on cable marker holder designed for clear identification of electrical wires and conductors in industrial installations, control panels and automation systems. Part of the Partex PTC clip-on marker holder series, it combines a white clip-on body with a transparent identification pocket, allowing printed cable markers to remain clearly visible and securely positioned.
The innovative clip-on construction enables the holder to be fitted directly onto cables without disconnecting existing wiring. Its secure gripping design keeps the holder in position while allowing adjustment when required. The transparent pocket protects compatible printed identification inserts from everyday handling and helps maintain consistent, professional wire identification throughout electrical installations.
Featuring a 21 mm identification pocket and designed for cables with an outside diameter of 3.0–4.0 mm, the PTC20/21W is ideal for electrical control cabinets, machine wiring and industrial automation equipment. Supplied in a convenient pack of 200 pieces, it provides an efficient marking solution for electricians, panel builders and maintenance engineers.
Key Advantages
- Convenient clip-on cable marker holder for professional wire identification.
- 21 mm transparent label pocket provides space for clearly printed identification.
- Suitable for cables with an outside diameter of 3.0–4.0 mm.
- White holder body with a transparent protective marking sleeve.
- Can be installed before or after cable termination without disconnecting wiring.
- Secure clip-on design with retaining barbs helps prevent unwanted movement.
- Pack of 200 holders for efficient installation and maintenance projects.
- Compatible with suitable Partex printed identification profiles and marking systems.
Key Features
- Partex PTC clip-on marker holder series.
- PTC20/21W model with white holder construction.
- 21 mm identification pocket length.
- 3.0–4.0 mm cable outside diameter compatibility.
- Suitable for approximately 1.5–2.5 mm² BS6231 tri-rated conductors, subject to cable insulation diameter.
- Durable PVC construction for electrical identification applications.
- Transparent pocket designed to retain and protect printed identification inserts.
- Open, snap-on design suitable for previously connected cables.
- Compatible with Partex PFC042 and PP+046 identification profiles.
- Operating temperature range of −30 to +60 °C.
- Supplied in a pack of 200 pieces.
Reliable Clip-On Cable Identification for Industrial Wiring
Clear and consistent cable identification is essential for maintaining organised electrical installations and simplifying maintenance operations. The Partex PTC20/21W provides an effective solution by allowing identification labels to be fitted directly onto cables through a transparent protective pocket. Its clip-on design makes it particularly useful when marking existing wiring, where conventional closed marker sleeves cannot easily be installed without disconnecting conductors.
The Partex PTC series is designed for industrial electricians, automation engineers and electrical panel manufacturers who require flexible, dependable marking solutions. Compatible printed identification inserts can be positioned inside the transparent sleeve, helping improve circuit identification, reduce troubleshooting time and maintain professional wiring standards throughout machinery and electrical control systems.
Typical Applications
- Industrial electrical control panels and switchgear assemblies.
- PLC cabinets and industrial automation wiring.
- Electrical distribution boards and terminal connections.
- Machine building and OEM equipment manufacturing.
- Retrofitting identification markers onto existing electrical wiring.
- Manufacturing machinery and production line control systems.
- Electrical maintenance, circuit tracing and fault diagnosis.
- Professional cable and conductor identification in industrial installations.
Technical Specifications
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| Pack Quantity | 200 | |
|---|---|---|
| Device Type | Marker holder / carrier | |
| Cable Diameter (mm) | 3–4 mm | |
| Material | PVC | |
| Product Series | Partex PT holders | |
| Manufacturer | Partex | |
| Series | PTC Clip-On Marker Holders | |
| Model | PTC20/21W | |
| Product type | Clip-on cable marker holder | |
| Holder colour | White | |
| Identification pocket | Transparent | |
| Material | PVC | |
| Nominal length | 21 mm | |
| Holder height | 6.5 mm | |
| Holder width | 4.5 mm | |
| Identification pocket face width | 4.6 mm | |
| Suitable cable outside diameter | 3.0–4.0 mm | |
| Typical conductor cross-sectional area | 1.5–2.5 mm² (BS6231 tri-rated cable) | |
| Operating temperature | −30 to +60 °C | |
| Mounting type | Clip-on / snap-on cable mounting | |
| Compatible marker profiles | Partex PFC042 and PP+046 | |
| Installation | Before or after cable termination | |
| Pack quantity | 200 pieces | |
| Application | Electrical wire and cable identification | |
| HS Code | 39269097 |
Frequently Asked Questions
What is the Partex PTC20/21W used for?
The Partex PTC20/21W is a clip-on cable marker holder designed to display printed identification labels on electrical wires and conductors in control panels, machinery and industrial automation installations.
What cable sizes are suitable for the PTC20/21W?
The holder is designed for cables with an outside diameter of 3.0–4.0 mm, typically corresponding to 1.5–2.5 mm² BS6231 tri-rated conductors. Cable outside diameter should always be checked before installation.
What is the identification pocket length?
The Partex PTC20/21W features a 21 mm transparent identification pocket designed to accommodate compatible printed cable identification inserts.
Can the holder be installed on cables that are already connected?
Yes. The clip-on design allows the PTC20/21W to be fitted to existing wires and cables before or after termination, without requiring the conductor to be disconnected.
How many marker holders are supplied in each pack?
Each pack contains 200 Partex PTC20/21W clip-on marker holders, suitable for electrical installation, panel building and industrial maintenance projects.
Trusted by Electrical Installers and Panel Builders Worldwide
Partex cable identification products are used by electrical professionals and industrial automation engineers to deliver clear, consistent and reliable wire marking. The PTC20/21W clip-on marker holder combines straightforward installation, secure cable attachment and protected identification in a practical solution for professional electrical installations.
