Dicio PRO for
For electricians & distributors · UL Listed
Dry-box connectors your crew can read by color.
Dicio two-color winged wire nuts come in four sizes, each with its own two-tone cap. Dicio P99 green ground connectors splice and pigtail the ground in one twist. Buy a pouch for one job, or a box for the truck and the counter.
600 V max.105°C ratedUL file E113650P99: UL 467 ground
Two-color winged twist-on
Four sizes. Read the size by the cap.
Same two-tone color code as 3M™ Performance Plus™, so your crew already knows which cap to reach for. Check the Dicio combination chart before you switch, since wire combinations differ between brands.
| Color | Wire range | Max. combination | Min. combination | 3M code | Pouch | Contractor box |
|---|---|---|---|---|---|---|
| Orange/BlueORBL | 22–12 AWG | 3 × 12 AWG | 2 × 22 AWG | O/B+ | 100 pcs · $22.99 | 7,500 pcs · $589.99 |
| Tan/RedTNRD | 22–10 AWG | 3 × 10 AWG | 1 × 20 + 3 × 22 AWG | T/R+ | 100 pcs · $25.99 | 4,000 pcs · $589.99 |
| Red/YellowRDYW | 22–8 AWG | 2 × 8 AWG | 1 × 20 + 3 × 22 AWG | R/Y+ | 500 pcs · $55.99 | 3,000 pcs · $299.99 |
| Blue/GrayBLGY | 14–6 AWG | 2 × 8 + 3 × 10 AWG | 1 × 10 + 1 × 14 AWG | B/G+ | 50 pcs · $24.99 | 1,000 pcs · $293.99 |
Copper to copper only: not for aluminum or copper-clad aluminum wire. 3M and Performance Plus are trademarks of 3M Company; Dicio is not affiliated with 3M.
600 V max.105°CThermoplastic shell, UL 94 V-2Zinc-plated square-wire springUL file E113650Solid & stranded copper
Grounding · P99 · UL 467 · 14–10 AWG
Ground splice and pigtail in one twist.
- Feed the long ground through the holeLeave it uncut so it reaches the device or the box screw.
- Seat the other grounds and twistClockwise by the wings until the conductors twist below the skirt.
- Tug-test and land the pigtailOn the device ground screw, or the box's green screw in a metal box (NEC 250.148).
Built for the trade
Who buys these by the box.
Electrical contractors
New construction and remodel crews. Stock the four two-color sizes and P99 on every truck, and stop sorting at the box.
Service & maintenance
Fixture changeouts, receptacle swaps and unit turns, where the next electrician should read the splice size and the ground at a glance.
Distributors & supply counters
Carry a color code your electricians already know. Ask Dicio about stocking and private-label programs.
Trade & bulk
Ordering for a crew or a counter?
Multi-box pricing · Standing orders · Trade account · Net terms · Stocking & private label · Spec sheets
FAQ
Specs & answers
They use the same two-tone color code (O/B+, T/R+, R/Y+, B/G+), so crews can recognize the size. The wire combinations are not identical between brands, so check the chart on the Dicio package before you switch. Dicio is not affiliated with 3M.
All four sizes are rated 600 V max. and 105°C, with a thermoplastic UL 94 V-2 shell and a zinc-plated square-wire spring. UL file E113650.
No. They are for copper to copper only, not aluminum or copper-clad aluminum. For aluminum branch circuits, see our aluminum wiring guide.
These are dry-location twist-on connectors. For damp, wet or direct-burial splices, use a connector listed for it, such as Dicio waterproof connectors.
No. Green connectors with an open tip are for equipment grounding conductors only.
Pick the two-color kit or P99 in the sample form on this page. For multiple boxes, standing orders or net terms, ask for a custom quote.
Free samples · for the trade
Try them on your next job
Electricians and supply buyers can request a free sample, shipped within 1–2 business days. Pick one in the sample menu below.
Two-color kitAll four two-color sizesCheck the colors and the fit on your own wire combinations.
P99 ground20-piece P99 packTwist a few on real grounds before you order the box.