Cable Labels and Electrical Installation Labels

Proper cable and installation labeling is fundamental for safety and simplifies servicing. In this guide, we present types of cable labels, materials, and application methods.

Why is Cable Labeling Important?

• Safety - quick circuit identification during maintenance
• Time savings - no need to trace cables from source
• Regulatory compliance - EN 62491 and EN 60204-1 standards
• Documentation - easier future installation modifications

Types of Cable Labels

1. Wrap-Around Labels

The most popular solution. The label wraps around the cable, and the print is visible from all sides.

• Advantages: durable, readable from all sides, won't slip off
• Application: cables with 3-30mm diameter
• Material: vinyl film, polyester, nylon

2. Flag Labels

Labels with a "flag" protruding from the cable. Ideal when cables are close together.

• Advantages: easy to read even in dense bundles
• Application: control cabinets, distribution boards
• Material: polyester, PP film

3. Flat Self-Adhesive Labels

Standard labels applied along the cable. The simplest solution.

• Advantages: inexpensive, easy to apply
• Disadvantages: may peel off on curves
• Application: flat cables, cable channels

4. Cable Ties with Labels

Zip ties with space for description or printed insert.

• Advantages: mechanical mounting security
• Application: harsh conditions, moving cables

5. Heat Shrink Tubing with Print

Tubing shrinks onto the cable with heat, creating permanent marking.

• Advantages: very durable, abrasion resistant
• Application: industrial, military, aerospace

Cable Label Materials

Material	Durability	Temperature	Application
Vinyl (PVC)	5-10 years	-40°C to +80°C	Standard, indoor
Polyester (PET)	10+ years	-40°C to +150°C	Industrial, outdoor
Nylon	10+ years	-40°C to +120°C	Flexible cables
Polyolefin	15+ years	-55°C to +135°C	Extreme conditions

Cable Marking Systems

Popular numbering and color systems:

• Sequential numbering - 001, 002, 003...
• Location codes - e.g., CB1-R3-C15 (cabinet 1, row 3, cable 15)
• Color codes - according to EN 60204-1 standard
• QR / DataMatrix codes - for full documentation

Standard Requirements

Standards for cable labeling:

• EN 62491 - cable and conductor labeling
• EN 60204-1 - machine safety, electrical installations
• EN 50174 - structured cabling installations

Printing Cable Labels

Best options for printing cable labels:

• Thermal transfer printers - with resin ribbon for maximum durability
• Specialized printers - Brady, Dymo Rhino, Brother P-touch
• Cutting plotters - for vinyl labels

See Also:

• Thermal Transfer Labels
• Thermal Transfer Ribbons