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
Forty blue insulated butt connectors with heat-shrink tubing

40PCS 16-14 AWG Blue Heat Shrink Butt Connectors

SKU CH-8Z7Q-XMBAP

A pack of 40 heat-shrink butt connectors for 16-14 AWG wire with dual-wall tubing that seals out moisture and saltwater

  • Certifications and standardsUL Listed
  • Product colorBlack
  • Waterproof seal with 3:1 dual-wall tubing resists saltwater and corrosion
  • Tinned copper core improves conductivity and crimp strength for stable connections
  • Solderless crimp and heat installation speeds up wiring repairs
  • High-tensile heat shrink material with adhesive lining ensures long-lasting protection
  • 40-piece bulk pack of 16-14 AWG connectors supplies consistent workmanship for daily use

40PCS 16-14 AWG Connectors

This pack supplies forty blue heat-shrink butt connectors rated for 16-14 AWG wire. The UL-listed terminals suit automotive, marine and general electrical maintenance where a sealed splice is required.

Upgrade from unsealed crimps

These replace standard crimp sleeves that lack adhesive-lined heat shrink. The jump is worth it when wiring faces saltwater, moisture or vibration and a waterproof barrier is needed for long-term reliability.

Simple strip-crimp-heat install

No solder is needed; strip the wire, insert, crimp and apply heat to activate the dual-wall tubing. The main risk is insufficient heat leaving the adhesive unsealed, so a proper heat gun is recommended.

How it compares

Measured against everything we stock in Wire Connectors & Cable Ties, at today’s prices. Recalculated every night.

Price $12.99
Typical for this category: the median of 1,040 items is $13.99.

Specifications

Product
Product colorBlack
Environment & compliance
Certifications and standardsUL Listed

Questions about this item

What wire gauges do these blue butt connectors accept?

They are rated for 16 to 14 AWG conductors, matching the 14 gauge size noted on the pack.

Which crimping step is most often missed when installing these heat-shrink splices?

After crimping the tinned copper barrel, you must apply heat evenly until the dual-wall tubing shrinks fully and the adhesive liner flows to seal the joint.

What part of the connector degrades first in saltwater environments?

The adhesive-lined heat-shrink tubing provides the waterproof barrier; if it is damaged or not fully shrunk, moisture can reach the crimp and cause corrosion.

More in Wire Connectors & Cable Ties

Similar items