Unlock Free shipping on qualifying orders over $99. Just 
Unlock Free shipping on qualifying orders over $99.
 Just 
HomElectrical.com Wholesale Electrical, HVAC & Lighting Supplies for Pros

Morris 10-ft x 3-3/4-in Rubber Mastic Insulating Tape

Morris 60240
SKU MRS-60240
Morris' 10-ft x 3-3/4-in rubber mastic insulating tape is a self fusing amalgamating tape with self bonding properties. Forms a permanent bond in 24 hours. Easy to apply. Grab this from HomElectrical.com today!
Morris 10-ft x 3-3/4-in Rubber Mastic Insulating Tape

Image may not depict product actual color, inclusions or accessories

Morris' 10-ft x 3-3/4-in rubber mastic insulating tape is a self fusing amalgamating tape with self bonding properties. Forms a permanent bond in 24 hours. Easy to apply. Grab this from HomElectrical.com today!
cUL/UL Listed

  • 10-ft x 3-3/4-in.
  • Molds and conforms to irregular shapes as final jacketing layer prior to vinyl tape layer.
  • Ideal for covering cable lugs, splices, terminations, busbars, bare conductors, and telecommunication cable joints.
  • Excellent for moisture sealing in overhead and direct burial electrical, industrial and marine applications.
  • Easy to apply, simply cut off length required and remove from backing, then wrap with 1/2 lap, tape fuses as it cures.
  • Can be wrapped, stretched, and molded around irregular shapes for insulation build up in cable splice repair.
  • Superior adhesion moisture and chemical resistance to metal and cable insulations with no adverse effects on polymeric cable jackets or shield layers.
  • Forms a permanent bond in 24 hours.

cUL/UL Listed

Morris 60240 Description

cUL/UL Listed

  • 10-ft x 3-3/4-in.
  • Molds and conforms to irregular shapes as final jacketing layer prior to vinyl tape layer.
  • Ideal for covering cable lugs, splices, terminations, busbars, bare conductors, and telecommunication cable joints.
  • Excellent for moisture sealing in overhead and direct burial electrical, industrial and marine applications.
  • Easy to apply, simply cut off length required and remove from backing, then wrap with 1/2 lap, tape fuses as it cures.
  • Can be wrapped, stretched, and molded around irregular shapes for insulation build up in cable splice repair.
  • Superior adhesion moisture and chemical resistance to metal and cable insulations with no adverse effects on polymeric cable jackets or shield layers.
  • Forms a permanent bond in 24 hours.

cUL/UL Listed
Get FREE shipping on eligible order of $99+
Free Shipping Eligible
$47.49Each
In Stock-

Ships between 05/21/2026 - 06/04/2026

Product Specifications

Part Number60240
CertificatecUL/UL Listed
Maximum Voltage600V
Product Dimensions10-ft (L) X 3.75-in (W)
Weight0.30-lb
UPC601986602402

Manufacturer Description

3.75"x10' Insulating Mastic
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
Morris' 10-ft x 3-3/4-in rubber mastic insulating tape is a self fusing amalgamating tape with self bonding properties. Forms a permanent bond in 24 hours. Easy to apply. Grab this from HomElectrical.com today!
Morris 10-ft x 3-3/4-in Rubber Mastic Insulating Tape
cUL/UL Listed
Get FREE shipping on eligible order of $99+
Free Shipping Eligible
$47.49Each
In Stock-

Ships between 05/21/2026 - 06/04/2026

Morris 60240 Description

  • 10-ft x 3-3/4-in.
  • Molds and conforms to irregular shapes as final jacketing layer prior to vinyl tape layer.
  • Ideal for covering cable lugs, splices, terminations, busbars, bare conductors, and telecommunication cable joints.
  • Excellent for moisture sealing in overhead and direct burial electrical, industrial and marine applications.
  • Easy to apply, simply cut off length required and remove from backing, then wrap with 1/2 lap, tape fuses as it cures.
  • Can be wrapped, stretched, and molded around irregular shapes for insulation build up in cable splice repair.
  • Superior adhesion moisture and chemical resistance to metal and cable insulations with no adverse effects on polymeric cable jackets or shield layers.
  • Forms a permanent bond in 24 hours.

Product Specifications

Part Number60240
CertificatecUL/UL Listed
Maximum Voltage600V
Product Dimensions10-ft (L) X 3.75-in (W)
Weight0.30-lb
UPC601986602402

Manufacturer Description

3.75"x10' Insulating Mastic
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

Product Questions & Answers

Customer Reviews

Your voice matters. Be the first to leave a review and help other pros shop smarter