01
Exterior serrations for screw traction
Earl Terminals incorporate additional externally grooved top-section serrations for maximum hardware cohesion with the substrates.
Engineered for vehicle electronics
Zero ground failure.
Never let a loose wire ground your progress again. Earl terminals are engineered to grip harder, create better contact, and stay locked to the vehicle.
More contact area
Anti-rotation design
Secure wire grip
Multi-axis locking connection
Never let loose wires ground your progress again
A new standard for vehicle grounding.
We’re thrilled to introduce our latest innovation for the car audio industry—the revolutionary new ground terminal. Traditional ring-type connectors have often been the single most significant weakness in vehicle electronics installation. They can easily loosen and rotate over time, leading to ground failure in automotive electrical systems.
Our new ground terminal offers more surface area, resulting in better contact area, and serrations in the ferrule area help it grab and hold the wire securely. Serrations around the screw holes help keep the screws tight, while an overlocking screw ensures the screws remain bound to the sheet metal.
Built to hold
Three layers of security.
Every surface has a purpose: hold the hardware, grip the wire, and prevent the terminal from rotating loose.
02
Internal serrations for lower resistance
Following the insertion of a wire into the long-barrel design, a deep and serrated interior ensures a large area of contact.
03
Anti-rotational locking concept
Earl Terminal’s anti-rotational, multi-axis securing points—along with the patented overlocking screw concept—provide for a lifelong and trouble-free termination.
One system. Every build.
All U.S. wire gauges.
From precision electronics to high-current installations, the Earl family brings the same anti-rotational locking concept to the wire sizes professional installers use most.
E22–1822–18 gauge
E16–1416–14 gauge
E12–1012–10 gauge
E88 gauge
E44 gauge
E11/0 gauge
Made for the install
Engineered at every size.
The long-barrel design, serrated contact points, and multi-hole geometry scale across the complete Earl lineup.
E1
1/0 gauge
locking terminal
locking terminal
E4
4 gauge
locking terminal
locking terminal
E8
8 gauge
locking terminal
locking terminal
E12
12–10 gauge
locking terminal
locking terminal
Stop rotation before it starts
More contact. Less resistance.
The Earl design replaces a vulnerable single-point ring connection with a broad, serrated, multi-axis termination engineered to stay put for the life of the installation.
Built for the automotive aftermarket.
A patented connection concept designed for installers who cannot afford a weak ground to become the weak link.
