Solderless connectors
Heat-seal terminals and splices, nylon insulated terminals, ferrules, and Weather Pack. The heat-seal lining melts and seals the joint.
Approvals and origin
At a glance
- Heat-sealHeat-seal
- 22–8 AWG
- FerrulesInsulated ferrules
- 20–2 AWG
- BareBare ferrules
- 8 AWG–500 MCM
- W/PWeather Pack
- −40°C to 125°C
- LoadWeather Pack load
- Up to 20 A, 16 V DC
- BuyBuy
- Online store
Shop a category
Heat-seal for a sealed crimp. Nylon insulated terminals for a standard insulated crimp. Ferrules for a wire end. Weather Pack for a sealed housing.
Two ways to buy
Finished cable
Have it built
A custom assembly arrives with the terminations already crimped.
Custom assemblyFrequently asked questions
If you need something that is not here, ask us: 8am to 5pm AKST, Monday to Friday.
What solderless connectors does Polar Wire stock?
Heat-seal terminals and splices from 22–8 AWG, nylon insulated terminals, ferrules, and Weather Pack. The heat-seal lining melts and seals the joint. Shop solderless connectors on the online store.
What size ferrules do you stock?
Insulated ferrules run from 20 AWG to 2 AWG. Uninsulated ferrules run from 8 AWG to 500 MCM, including FER-500. Shop ferrules on the online store.
What are Weather Pack connectors rated?
Weather Pack housings are rated −40°C to 125°C, up to 16 volts DC and 20 amps. Shop Weather Pack on the online store. Catalog pages 80–89.
Request a quote
Name the part family, the size, and the quantity.