3M Scotch 35 Professional Electrical Tape Instruction Manual

1. Introduction

The 3M Scotch 35 Professional Electrical Tape is a premium vinyl electrical tape designed for electrical insulation, phase identification, color-coding of motor leads and piping systems, and for marking safety areas. This manual provides essential information for the proper use, application, and maintenance of this product.

Figure 1: 3M Scotch 35 Professional Electrical Tape, Blue, in its retail packaging.

2. Product Features

The Scotch 35 Electrical Tape offers several key features:

• Professional Grade Quality: Designed for electrical insulation and color-coding in various applications, ensuring reliable performance.
• Durable Vinyl Material: Constructed from high-quality vinyl, offering excellent resistance to abrasion, moisture, alkalis, acids, and varying weather conditions.
• Temperature Resistant: Performs effectively in temperatures ranging from 0°F (-18°C) to 220°F (105°C), suitable for indoor and outdoor use.
• Flame Retardant: Meets industry standards for flame resistance, enhancing safety in electrical installations.
• Easy Application: Flexible and conformable, allowing for hassle-free wrapping and insulation of wires and cables.

Figure 2: A single roll of blue 3M Scotch 35 Professional Electrical Tape.

3. Intended Use and Applications

This electrical tape is suitable for a variety of applications, including:

• Primary electrical insulation for all wire and cable splices rated up to 600V.
• Protective jacketing for high-voltage cable splices and repairs.
• Harnessing of wires and cables.
• Color-coding for phase identification, motor leads, and piping systems.
• Marking safety areas.

Figure 3: An electrician with a coil of wire, demonstrating the portability and utility of colored electrical tapes for various tasks.

4. Setup and Preparation

Proper preparation ensures optimal adhesion and performance.

1. Surface Cleaning: Ensure the surface where the tape will be applied is clean, dry, and free from grease, oil, dust, or other contaminants.
2. Temperature Conditions: For best results, apply the tape at temperatures between 50°F (10°C) and 100°F (38°C). While the tape performs in a wider range, application within this range optimizes initial adhesion.
3. Unrolling: Unroll the required length of tape smoothly, avoiding stretching it excessively before application.

5. Operating Instructions

Follow these steps for effective application of the electrical tape:

1. Wrapping Technique: When insulating or jacketing, apply the tape with a minimum of 50% overlap. This means each new layer should cover at least half of the previous layer's width.
2. Stretching: Stretch the tape slightly during application to ensure a tight, conformable wrap. However, avoid overstretching, which can reduce the tape's insulating properties and cause it to neck down. A good stretch is approximately 75% of its breaking point.
3. Ending the Wrap: To finish, apply the last layer with no stretch to prevent flagging (lifting) over time. Press firmly to ensure good adhesion.
4. Color-Coding: For phase identification or other color-coding applications, apply the appropriate color tape in a visible location, ensuring it is securely wrapped.

Figure 4: Demonstrating the application of electrical tape to a wire, showing the wrapping technique.

Figure 5: Example of using colored electrical tape for organizing and labeling cables connected to a power strip.

6. Maintenance and Storage

Proper storage helps maintain the tape's quality and performance over time.

• Storage Conditions: Store the tape in its original packaging in a cool, dry place, away from direct sunlight and extreme temperatures. Ideal storage temperature is between 60°F (15°C) and 80°F (27°C) with relative humidity between 40% and 50%.
• Shelf Life: When stored properly, the tape maintains its properties for an extended period. Refer to the product packaging for specific shelf life recommendations.
• Avoid Contamination: Keep tape rolls away from dust, dirt, and chemicals that could compromise the adhesive or vinyl material.

7. Troubleshooting

If you encounter issues during application or with the tape's performance, consider the following:

• Poor Adhesion:
  • Ensure the surface was clean and dry before application.
  • Verify the application temperature was within the recommended range (50°F to 100°F).
  • Check if the tape was stored correctly and has not expired.
• Tape Flagging (Lifting at Edges):
  • Ensure the last layer of tape was applied with minimal to no stretch.
  • Press down firmly on the end of the tape to secure it.
• Tape Tearing During Application:
  • Avoid overstretching the tape. Apply with a slight, consistent tension.
  • Check for any sharp edges on the surface being wrapped that might be cutting the tape.

8. Specifications

Figure 6: The 3M Scotch 35 Professional Electrical Tape is available in multiple colors for diverse applications.

9. Safety Information

Always observe standard safety precautions when working with electrical components and materials.

• Ensure power is disconnected before working on electrical circuits.
• Use appropriate personal protective equipment (PPE) such as safety glasses and gloves.
• This tape is intended for professional use and should be applied by individuals knowledgeable in electrical practices.
• Do not use this tape for applications exceeding its rated voltage or temperature limits.
• Keep out of reach of children.

10. Warranty and Support

For product support, technical assistance, or warranty information, please contact 3M Customer Service. Refer to the official 3M website or product packaging for the most current contact details.

Online Resources: www.3m.com