JW1040 Waterproof Wire Nut for 22–6 AWG Wire
Create secure, moisture-resistant wire splices for outdoor lighting, irrigation systems and other wet-location electrical connections. The JW1040 combines a large 22–6 AWG wire range with prefilled silicone sealant and a practical twist-on body.
For distributors, OEM buyers, contractors and electrical-product sourcing teams.
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Why Choose the JW1040 Waterproof Wire Connector?
The JW1040 is designed for larger outdoor copper-wire splices that need moisture protection. Its published 22–6 AWG range and prefilled silicone sealant make it a practical option for installers, distributors and OEM sourcing teams.
Prefilled Silicone Sealant
Silicone sealant surrounds the splice and helps limit moisture entry during proper installation.
Large Wire Range
Supports selected copper conductor combinations from 22 AWG up to 6 AWG.
Secure Twist-On Connection
The internal gripping design holds the conductors and supports a stable electrical splice.
Outdoor Application Focus
For landscape lighting, irrigation controls and other connections exposed to moisture.
Large Connector Body
The Ø20.6 × 41.2 mm body accommodates selected larger conductor bundles.
OEM and Bulk Supply
Ask TONFUL about packaging, labeling, wire-range selection and wholesale supply.
Technical Specifications
Use these values to screen the JW1040 for your application. Final selection should also consider conductor material, insulation, enclosure design and local electrical requirements.
| Model | JW1040 |
|---|---|
| Product type | Silicone-filled waterproof wire nut |
| Wire range | 22–6 AWG |
| Conductor material | Copper-to-copper |
| Maximum voltage | 600 V; up to 1,000 V in fixtures and signs |
| Temperature rating | 105°C / 221°F |
| Sealant temperature range | -45°F to 400°F |
| Dimensions | Ø20.6 × 41.2 mm |
Selected 600 V Wire Combinations
Confirm the conductor type and exact combination before installation. The broad 22–6 AWG range does not mean every conductor combination is permitted.
| Primary conductor combination | Additional conductor combination |
|---|---|
| 1–2 × 8 AWG | — |
| 1 × 8 AWG | 1–3 × 10 AWG |
| 2 × 8 AWG | 1–2 × 12 or 14 AWG |
| 1–4 × 10 AWG | — |
| 3 × 10 AWG | 1 × 12 AWG |
| 3 × 10 AWG | 1–2 × 14 or 16 AWG |
| 1 × 10 AWG | 1–4 × 12, 14 or 16 AWG |
| 6 × 12 AWG | — |
| 1 × 8 AWG | 1–4 × 12 or 14 AWG |
| 2 × 12 AWG | 1–3 × 14, 16 or 18 AWG |
| 3–6 × 16 AWG | — |
| 2–10 × 18 AWG | — |
Common Applications
Landscape Lighting
Outdoor luminaires, path lights and landscape-lighting branch connections.
Irrigation Systems
Sprinkler valves, controller wiring and moisture-exposed field connections.
Outdoor Fixtures
Signs, junction boxes and electrical fixtures requiring a sealed splice.
Underground Projects
Below-grade splices where the exact connector approval and complete installation meet project requirements.
Commercial Maintenance
Repair and replacement work across outdoor electrical systems and equipment.
OEM Product Assembly
Bulk supply for manufacturers using waterproof connectors in products or kits.
How to Install the JW1040
- Disconnect power. Verify the circuit is de-energized.
- Prepare the wires. Strip conductors to the current instruction and inspect them for damage.
- Align the conductors. Match a published copper-wire combination.
- Twist clockwise. Tighten until the conductors are firmly held.
- Inspect the splice. Confirm no bare conductor is exposed outside the connector.
Selection Notes
Share these details with TONFUL:
- Conductor size and number of wires
- Solid or stranded conductor construction
- System voltage and operating temperature
- Outdoor, buried, irrigation or fixture application
- Required certification or IP documentation
- Quantity, packaging and labeling
JW1040 Frequently Asked Questions
What wire sizes fit the JW1040 waterproof wire nut?
The stated overall range is 22–6 AWG. Select the connector by the complete published wire combination, not conductor size alone.
Can the JW1040 be used for landscape lighting?
It can be evaluated for landscape-lighting connections when the copper-wire combination, voltage and complete installation are suitable.
Is the JW1040 prefilled with sealant?
Yes. The JW1040 is supplied with silicone sealant to help protect the splice from moisture.
What is the maximum voltage rating?
The stated maximum is 600 V, or up to 1,000 V in fixtures and signs under appropriate conditions.
Is the JW1040 approved for direct burial?
Direct burial requires model-specific approval. Ask TONFUL for the latest JW1040 certificate, test report and installation instructions before specifying a below-grade application.
Can TONFUL supply custom packaging or bulk orders?
Yes. TONFUL supports OEM, ODM and wholesale enquiries.
Need a Waterproof Wire Nut for Your Project?
Send TONFUL your wire sizes, application environment and order quantity. Our team will help evaluate the JW1040 and prepare a quotation.

