Tenacious GT7 Grey Electrical Tape – 19mm x 20m
Create clean, organised and professionally finished cable systems with Tenacious GT7 Grey Electrical Tape.
GT7 is a premium PVC electrical insulation tape designed for cable insulation, harnessing, bundling, identification, abrasion protection and general electrical maintenance. The neutral grey finish is useful for cable and component identification while remaining less visually prominent than brighter colours such as red, yellow or white.
Manufactured with a thick 0.18mm lead-free, high-grade polymeric PVC backing, GT7 provides a more substantial construction than many lightweight general-purpose electrical tapes. It combines this flexible backing with a high-performance, cross-linked solvent-based rubber-resin adhesive for strong adhesion and excellent conformity around cables, connections and irregular shapes.
Supplied in a practical 19mm width and 20-metre roll, Tenacious GT7 Grey Electrical Tape is suited to electricians, production technicians, theatres, audiovisual suppliers, film and television departments, venues, workshops, equipment manufacturers and touring crews.
Designed for Electrical Insulation and Cable Protection
Tenacious GT7 is manufactured as a professional PVC electrical insulation tape rather than a general-purpose packaging or floor-securing tape.
Its flexible backing allows it to wrap around appropriately prepared cables, cable looms, harnesses and compatible electrical components. The adhesive helps maintain a secure wrap while the PVC backing provides an additional protective layer.
Potential applications include:
- Electrical cable insulation
- Cable harnessing and bundling
- Cable and circuit identification
- Protecting suitable cable terminations
- Supplementary abrasion protection
- General electrical maintenance
- Marking components and equipment
- Pipework colour coding
- Automotive electrical work
- Marine electrical applications
- Industrial cable management
- Production-equipment wiring
Tenacious identifies GT7 for electrical cable insulation and colour coding, cable harnessing, abrasion protection, component identification, pipework marking and a range of industrial maintenance applications.
Electrical tape should always be selected according to the voltage, cable, equipment, environment and applicable electrical requirements.
GT7 should not be used to conceal damaged conductors, replace a required mechanical repair or return unsafe equipment to service without proper inspection.
Thick 0.18mm Polymeric PVC Backing
One of the defining characteristics of GT7 is its 0.18mm thick lead-free polymeric PVC backing.
The additional thickness provides a substantial tape layer while retaining the flexibility required for wrapping cables and irregular shapes. Tenacious describes the material as a high-grade polymeric PPVC backing with good conformability.
This construction is useful around:
- Cable jackets
- Electrical harnesses
- Equipment wiring
- Irregular connections
- Curved components
- Cable looms
- Suitable terminations
- Automotive wiring
- Marine electrical systems
- Production equipment
The backing is flame retardant and self-extinguishing, and the complete tape is listed as RoHS compliant.
The tape’s thickness does not remove the need for correct overlap, controlled application tension, appropriate surface preparation or inspection of the completed work.
Strong Cross-Linked Rubber-Resin Adhesive
GT7 uses a high-performance, cross-linked solvent-based rubber-resin adhesive.
This adhesive system is designed to provide strong adhesion while allowing the tape to conform around cables, connections and irregular surfaces. Tenacious also describes the adhesive system as non-corrosive and long lasting.
Potential benefits include:
- Secure wrapping around suitable cables
- Good contact across curved surfaces
- Strong cable bundling
- Reduced loose edges
- Practical longer-term installations
- Reliable workshop and maintenance use
- Firm adhesion to compatible surfaces
The manufacturer also promotes resistance to abrasion, UV, alkalis, acids and corrosion for demanding electrical environments.
Actual performance will depend on the substrate, installation method, temperature, contamination, exposure and service conditions. Suitability should be confirmed under realistic working conditions, particularly where long-term performance is important.
Snap-Back Memory for a Tighter Wrap
Tenacious promotes GT7’s snap-back memory as one of the characteristics that helps it form a secure wrap.
The tape stretches during controlled application and then recovers, helping tighten the completed wrap around the cable or connection.
This may help technicians achieve:
- Neater cable wrapping
- Firm harnessing
- Close conformity around connections
- Consistent overlap
- Reduced loose edges
- Organised cable assemblies
- A professional finished appearance
The tape should not be overstretched. Excessive tension may place unnecessary pressure on cables and terminations and can encourage the tape to contract or lift after application.
Use only enough tension to create a smooth, conforming wrap. Finish the final section with reduced tension and press the end down firmly.
Neutral Grey Colour for Identification
Grey electrical tape provides a useful middle ground between discreet black tape and highly visible colours such as white, red or yellow.
Its neutral finish may be useful for:
- Identifying cable groups
- Marking equipment assigned to a department
- Labelling grey or silver equipment
- Colour coding pipework
- Organising equipment racks
- Marking metal racking
- Identifying temporary cable assemblies
- Separating touring packages
- Marking tested or prepared equipment
- Creating workshop identification systems
Grey can blend naturally with galvanised metal, aluminium equipment, truss, racking, conduit and grey cable jackets. It may also provide sufficient contrast against black cabling without becoming excessively prominent in a production environment.
Tenacious specifically lists marking and identification on predominantly vertical surfaces such as metal racking among GT7’s intended uses.
Any colour-coding system should be clearly documented and communicated to technicians. Grey tape should not be used as a substitute for conductor identification or regulatory markings required by electrical standards, equipment manufacturers or workplace procedures.
Useful Around Metal Racking and Technical Equipment
The neutral grey finish is particularly practical around technical infrastructure containing exposed metal, silver hardware or grey-painted surfaces.
Potential applications include:
- Equipment racks
- AV cabinets
- Metal shelving
- Electrical panels
- Production workboxes
- Truss-mounted equipment
- Control racks
- Workshop storage
- Broadcast racks
- Industrial machinery
The tape may be used to identify equipment groups, mark temporary routing information or bundle suitable low-voltage wiring.
Do not cover ventilation openings, safety warnings, equipment ratings, serial numbers, test tags or required inspection labels.
Flame-Retardant and Self-Extinguishing Construction
Tenacious identifies GT7 as flame retardant and self-extinguishing. These characteristics provide additional performance compared with ordinary non-rated PVC tapes.
This does not mean GT7 is:
- Fireproof
- A certified fire barrier
- A replacement for fire-rated cable
- Approved for sealing fire penetrations
- Suitable for sustained direct-flame exposure
- A substitute for a compliant electrical enclosure
- Suitable for wrapping excessively hot components
The complete cable, equipment and installation must still comply with applicable electrical and fire requirements.
Damaged, melted, arcing or overheated electrical equipment should never simply be covered with tape and returned to service.
Thermal Stability to 80°C
Tenacious specifies good thermal stability to 80°C for GT7.
This is best understood as a product-performance characteristic rather than permission to use the tape continuously on every surface operating at 80°C.
Actual performance may be influenced by:
- Exposure duration
- Cable temperature
- Electrical load
- Ambient temperature
- Ventilation
- Surface material
- Application tension
- Adhesive ageing
- Environmental conditions
Do not apply GT7 directly to:
- Heating elements
- Hot lighting fixtures
- Exhaust components
- Uninsulated high-temperature equipment
- Surfaces exceeding the product rating
- Components where wrapping may restrict ventilation
Where elevated temperatures are expected, confirm the suitability of the tape, cable and complete installation before use.
Good UV and Water Resistance
GT7 provides good UV and water resistance according to Tenacious’s published product information.
These characteristics may support appropriate use in automotive, marine, industrial and outdoor technical environments.
Potential applications include:
- Covered outdoor production equipment
- Festival technical systems
- Automotive wiring
- Marine electrical installations
- Industrial maintenance
- Equipment transported outdoors
- Outdoor cable identification
- Temporary production infrastructure
Water resistance does not make a completed connection waterproof. Moisture may still enter through cable ends, connectors, incomplete wrapping, damaged insulation or surrounding equipment.
Where a certified waterproof or submersible connection is required, use a properly rated connector, enclosure, cable gland or sealing system.
Abrasion Protection for Suitable Cables
Tenacious identifies abrasion resistance as part of GT7’s protective performance.
When correctly applied, GT7 may provide a supplementary protective layer around suitable cables and harnesses exposed to routine handling.
Potential uses include:
- Production cable looms
- Equipment wiring
- Automotive harnesses
- Workshop cable assemblies
- Industrial control wiring
- Equipment racks
- Temporary technical installations
- Internal AV wiring
Electrical tape is not a replacement for conduit, cable glands, protective sleeving, grommets, cable ramps or mechanical guarding where those controls are required.
A cable with severely cut, crushed, melted or otherwise compromised insulation should be assessed and repaired or replaced using an approved method.
Designed for Live Events, Theatre and Touring
Technical cabling across live entertainment is regularly installed, handled, transported and packed down.
Tenacious GT7 Grey Electrical Tape can be a practical consumable for:
- Lighting departments
- Audio departments
- Video crews
- Broadcast teams
- Stage technicians
- Production electricians
- Touring technicians
- AV installers
- Venue maintenance departments
- Equipment workshops
Suitable production tasks may include:
- Identifying cable assemblies
- Marking equipment groups
- Bundling suitable wiring
- Wrapping appropriate cable sections
- Organising equipment-rack wiring
- Marking production equipment
- Securing temporary identification labels
- Supporting workshop cable preparation
Grey may be particularly useful where technicians want identification that is visible against black cable but less prominent than white or fluorescent tape.
Electrical tape is not the correct product for securing cable runs to stage or venue floors. Use suitable gaffer tape, floor tape, cable covers, cable ramps or overhead routing according to the application and assessed risk.
Designed for Film, Television and Production Environments
Film, television and broadcast departments use electrical tape across studios, sound stages, locations, equipment workshops and outside-broadcast environments.
Tenacious GT7 Grey Electrical Tape may be useful for appropriate tasks involving:
- Studio-lighting cables
- Location-lighting equipment
- Video and broadcast racks
- Production-equipment wiring
- Cable identification
- Battery and low-voltage cable assemblies
- Mobile production equipment
- Technical workboxes
- Equipment labels
- Temporary department identification
The grey finish can blend naturally with metal equipment, silver hardware, broadcast racks and production infrastructure while remaining distinguishable from standard black cabling.
Any electrical repair, modification or cable assembly must be undertaken by a person with the appropriate skills and authority.
AV, Conference and Exhibition Applications
Professional audiovisual teams regularly use electrical tape for identification, cable preparation and equipment organisation.
Potential applications include:
- Labelling conference AV cables
- Identifying projector and display connections
- Organising equipment-rack wiring
- Marking cable destinations
- Separating breakout-room equipment
- Identifying exhibition stock
- Grouping temporary installations
- Marking tested equipment
- Labelling technical cases
- Supporting equipment maintenance
Grey tape may suit conference and exhibition systems containing silver truss, aluminium framing, grey carpet, metal stands or neutral-coloured technical equipment.
Do not apply tape across pedestrian cable routes as the sole cable-management control.
Cable Harnessing and Bundling
GT7 is intended for cable harnessing and bundling across electrical, automotive, marine and industrial applications.
Its flexible PVC backing can follow cable bundles, while the adhesive and memory effect help form a firm wrap.
When bundling cables:
- Confirm the cables are suitable for bundling.
- Avoid excessive application tension.
- Do not create sharp bends.
- Keep the bundle clear of moving parts.
- Preserve access to required labels.
- Do not cover damaged insulation.
- Consider heat dissipation.
- Inspect the completed assembly before use.
Bundling multiple loaded cables can affect heat dissipation. Cable ratings, electrical load, ambient temperature and installation conditions must still be considered.
Automotive and Marine Applications
Tenacious identifies automotive and marine work among GT7’s key markets.
Potential applications include:
- Cable harnessing
- Wiring identification
- Supplementary abrasion protection
- General electrical maintenance
- Bundling low-voltage wiring
- Marking components
- Protecting appropriate terminations
- Workshop cable preparation
Grey can be useful where a neutral identification colour is preferred or where the tape needs to blend with metal bodywork, grey conduit or machinery.
Automotive and marine environments may expose tape to vibration, moisture, heat, oil, chemicals and movement. Suitability should be confirmed for the exact location and operating conditions.
Critical connections may require sealed connectors, heat-shrink products, conduit or manufacturer-approved repair systems rather than electrical tape alone.
Industrial, Manufacturing and Workshop Applications
Tenacious identifies GT7 for industrial uses including cable insulation, component identification, pipework colour coding, cable harnessing, drum and tube sealing, electroplating masking and helping prevent galvanic action between dissimilar metals.
Potential users include:
- Electrical contractors
- Equipment manufacturers
- Maintenance departments
- Production workshops
- Warehouses
- Automotive technicians
- Marine technicians
- Construction trades
- AV service departments
- Industrial facilities
Grey is a practical colour for marking intermediate stock, components, racks, pipework and equipment without using a high-visibility safety colour.
Where the tape may contact solvents, oils, chemicals or cleaning products, test compatibility under actual working conditions.
Surface and Cable Preparation
Electrical tape performs best when applied to a clean, dry and compatible surface.
Before application:
- Isolate electrical power where required.
- Inspect the cable or component for damage.
- Remove dust, oil, grease and moisture.
- Allow the surface to dry completely.
- Apply the tape using controlled tension.
- Maintain a consistent overlap.
- Avoid wrinkles and trapped contamination.
- Finish the final wrap with reduced tension.
- Press the tape end down firmly.
- Inspect and test the completed work.
Wet, cold or contaminated surfaces may reduce adhesion.
Do not apply electrical tape over exposed live conductors, active arcing, overheating or unidentified electrical faults.
Important Electrical Safety Considerations
GT7 is a professional insulation tape, but safe electrical work depends on the complete system rather than the tape alone.
Consider:
- Circuit voltage
- Cable condition
- Original insulation rating
- Mechanical protection
- Environmental exposure
- Operating temperature
- Required electrical testing
- Applicable regulations
- Equipment instructions
- Installer qualifications
GT7 should not be used to:
- Conceal exposed copper
- Cover severely damaged cable
- Replace a compliant connector
- Replace a cable gland
- Repair overheated conductors
- Bypass circuit protection
- Act as the sole repair for an unsuitable mains connection
- Replace fire-rated sealing
- Conceal an electrical fault
- Repair load-bearing components
Where there is uncertainty, remove the cable or equipment from service and have it assessed.
Storage and Handling
Store Tenacious GT7 in a clean, cool and dry location away from direct sunlight, excessive heat and moisture.
For touring inventory, workshops and warehouses:
- Rotate older stock first
- Protect rolls from dust
- Keep rolls away from oils and solvents
- Avoid crushing the roll edges
- Do not leave rolls in hot vehicles for extended periods
- Keep unused rolls dry
- Inspect aged stock before critical applications
Poor storage may affect unwind, adhesion, flexibility and the condition of the roll.
Product Specifications
Brand: Tenacious
Product code: GT7
Product type: PVC electrical insulation tape
Colour: Grey
Width: 19mm
Length: 20m
Thickness: 0.18mm
Backing: Lead-free, high-grade polymeric PVC / PPVC
Adhesive: Cross-linked solvent-based rubber-resin
Thermal stability: Up to 80°C
Flame behaviour: Flame retardant and self-extinguishing
Flexibility: Highly flexible and conformable
Hand tearable: Yes
Resistance: Good UV and water resistance
Additional protection: Resistance to abrasion, alkalis, acids and corrosion
Adhesive system: Non-corrosive and long lasting
Compliance: RoHS compliant
Primary applications: Electrical insulation, cable harnessing, colour coding, component identification, bundling and abrasion protection.
Why Buy Tenacious GT7 Grey Electrical Tape from GigLife?
GigLife supplies professional tapes, connectors, cables, consumables and technical accessories chosen for entertainment, production and technical environments.
Backed by more than 25 years of hands-on live entertainment industry experience, GigLife understands the practical requirements faced by technicians working across live events, theatre, touring, AV, film, television, broadcast and venue operations.
Tenacious GT7 Grey Electrical Tape is suitable for customers including:
- Production companies
- Theatres and performance venues
- Film and television departments
- Touring crews
- AV suppliers
- Lighting departments
- Audio departments
- Broadcast facilities
- Equipment workshops
- Schools and performing arts centres
- Festivals
- Conference and exhibition suppliers
Orders are dispatched from Brisbane, with Australia-wide shipping available.
GigLife is proudly by the professionals… for the professionals.
