We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black vinyl electrical tape roll three-quarter inch by twenty feet

3M

3M 33SUPER20FT Super 33+ Vinyl Electrical Tape .75 in x 20 ft Black

SKU CH-42J5-YD3JN MPN 33SUPER20FT

Black vinyl electrical tape rated to 600 V and temperatures from 0 to 221 °F, supplied in a 20 ft roll with ten rolls per pack

  • Product typeElectrical Tape
  • Product colorBlack
  • Operates reliably from 0 °F to 221 °F
  • Rated for 600 V electrical insulation
  • 7 mil vinyl resists abrasion and moisture
  • Rubber adhesive bonds securely to wire and cable
  • 20 ft roll provides ample length for multiple jobs

Professional Electrical Tape

3M Super 33+ vinyl electrical tape is designed for electricians and technicians who need reliable insulation for wire splices and cable repairs. The black tape uses a rubber-based adhesive on a 7 mil vinyl backing to create a durable seal in residential and commercial wiring jobs.

600 Volt Insulation Rating

This tape carries a 600 V voltage rating, which is the key specification that determines whether it suits your circuit. It is rated for general-purpose electrical work up to that limit and should not be used on higher-voltage systems.

Wide Temperature Performance

The tape maintains adhesion and flexibility from 0 degrees F up to 221 degrees F, so it performs in cold outdoor runs and warm equipment cabinets alike. The vinyl backing resists abrasion, moisture and UV exposure during normal use.

How it compares

Measured against everything we stock in Office, Masking & Packing Tape, at today’s prices. Recalculated every night.

Price $2.99
Cheaper than about 98% of the 3,148 comparable items (median $29.99).

Specifications

Product
Brand name3M
Product typeElectrical Tape
Product colorBlack
Size & build
Shipping weight2.27 kg
Package size254 × 127 × 25 mm

Questions about this item

How does the 7 mil thickness and 600 V rating perform when wrapping live conductors?

The 7 mil vinyl and rubber adhesive maintain insulation up to 600 V and stay flexible from 0 °F to 221 °F, so the tape seals tightly without cracking in cold or softening in heat.

What does the 600 V rating actually limit in day-to-day electrical work?

It certifies the tape for primary insulation on circuits up to 600 V; beyond that voltage the dielectric strength is not guaranteed.

Will the .75 in by 20 ft roll fit standard electrician pouches and dispensers?

At 3/4 in wide and 20 ft long the roll matches common pouch slots and hand-held dispensers used by electricians.

More in Office, Masking & Packing Tape

Similar items