Best 14 Ground Circuit Terminal Blocks in 2026

★【Clean Installation】- How to clean up your cluttered battery terminals? Our terminal strips greatly simplified and neatened up your install. The pressure washer style terminal accepts a bare wire and the jumpers allow signals or power to be distributed neatly. This way you can easily disconnect a wiring branch without taking down the entire system.

★【Heavy Duty】- Our terminal/barrier strips are well made sturdy and with quality and robust screws. You can crank down on these for a firm bite. These allowed you to connect each power wire very cleanly to each source (ground, battery, and ignition on). Great for compact wiring jobs.

★【Protect Cover】- Our dual row screw terminal strips that also include a clear cover to protect accidental touching of the terminal. It will be more safer when the terminals are protected by snap-in plastic "lids". Be careful when mounting these covers.

★【What You Get】 - In this terminal block set,it include 6pcs 4 positions 600V 15A double row screw terminal strip blocks with cover,6pcs 400V 15A pre-insulated barrier jumper strips,60pcs insulated fork wire connectors,1pc screwdriver.Total 73pcs packed in a bag.

★【Easy Install】 - The terminal strips are easy to install and held in place by two screw holes at either end of the terminal.The fork terminal stripe can be cut in any position to meet with your different demand.You have the option of of making 4 individual connections or by using the whole barrier bar or part of it up to 4 connections to a single line. Once the connections have been made, clear plastic covers are included that push lock into place to protect the terminals.

★【Heavy Duty】 - Our terminal/barrier strips are well made sturdy and with quality and robust screws. You can crank down on these for a firm bite. The shell is made with flame resistant material, more safer. Copper plate conductor has good electrical conductivity and also nickel plated has a better anti-oxidation performance which make it more durable.

★【What You Get:】In this terminal block set, it include 5pcs 4 positions double row screw terminal strip blocks with cover, 5pcs black and red pre-insulated barrier jumper strips, 60pcs insulated fork wire connectors. Total 70pcs are well packed in a bag.

★【High Quality:】The terminal blocks are high quality flame retardant PC engineering materials, with excellent flame retardant and impact resistance (transparent dust cover is not flame retardant). High-quality brass guide, excellent electrical conductivity, the appearance of nickel-plated, rust and durable.

★【Product Feature:】The dual row terminal blocks are designed with screws, you can crank down on them for a firm bite; Also include a clear cover to protect accidental touching of the terminal. Transparent cover, clear and intuitive internal components, allows for visual inspection of insert terminals.

PRACTICAL TERMINAL STRIPS - Our double row screw terminal strips can help you to connect bare wires to avoid clutter, while jumpers allow signals or power to be distributed neatly, making wiring connection simpler and more efficient. With Fixitok’s screw terminal blocks, you can quickly disconnect a wiring branch without removing the entire system.

SAFETY DESIGN - Compared with traditional terminal strip blocks, ours’ come with protection covers to avoid accidental touching when use. We also provide red and black jumpers to help customers distinguish positive and negative wire when installation.

HIGH QUALITY MATERIAL - The 4/5/6 positions terminal block strips are made from polycarbonate with flame retardance and nickel-plated copper with excellent electrical conductivity and anti-oxidation performance, to keep working stably and extend lifespan.

【Easy to Use】The patented design, different from the ordinary rail connector, does not require the tedious tightening of screws, just insert the rail terminal into the 35mm iron and aluminum DIN rail, lift the orange clip, insert the wire into the hole until you feel the resistance, then lower the orange lever and complete the operation, saving 70% of the operation time.

【Perfect DIN Rail Terminal Blocks Kit】Terminal blocks kit comes with 40pcs 12AWG terminal blocks, 4pcs connection bar, 4pcs digital identification, 2Pcs Fixed clamp,40pcs screws, 2pcs end stopper bracket and a transparent storage box.

【Universal Compatibility】 This Wire Connector is suitable for solid and flexible wire. Connect any combination of solid, stranded, and flexible copper wires. Suit for solid wire 0.08-4.0mm² /28-12 AWG, flexible wire 0.5-2.5mm² /20-14 AWG. It is widely used in distribution boxes, control cabinets, switchgear, complete sets of equipment, machinery etc.

Practical Terminal Block Kit:How to clean up your cluttered wire connection?Our double row screw terminal strip block can help you to connect bare wires to avoid clutter, making wiring connection simpler and more efficient.This way you can easily disconnect a wiring branch without taking down the entire system.

Product Feature:The dual row terminal blocks are designed with screws, you can crank down on them for a firm bite; We also provide thick copper heat shrink wire connectors to ensures strong secure crimping every time.

Heavy Duty:The terminal blocks are high quality flame retardant PC engineering materials, with excellent flame retardant and impact resistance. High-quality insulated fork wire connectors kit is thick copper,with safe and durable.

Features: Marine bus bar junction block 12v, these busbars will come in pairs, include one positive bus bar (red one) and one negative bus bar (black one).

Rating: Max voltage: 300V AC, 48V DC. Max continuous amperage: 130A AC, 150A DC. This battery distribution block will be suitable for both AC and DC systems.

Terminals: Each battery bus bar 12v includes - M8 (5/16") terminal studs x 4 and M4 (#8) screw terminals x 6, two power bus bars in the package - one positive bus bar and one ground bus bar.

【Reliable quality】: made of pure copper with red and black mark and bakelite insulation material, with good electrical conductivity and perfect safety performance.

【Better safety】:Bakelite insulation material, oxidation resistance, long service life.

【Easy to install】:2 sets of nut systems make it simple and flexible to extend, tighten and assemble the connector.

Fantastic design: 12 position , 6A, 10A and 20A will be sold together. Two row, 380V terminal strip.

Great size: 105 x 15 x 12 mm/4.13 x 0.59 x 0.47 inch, 110 x 16.5 x 12.5 mm/4.33 x 0.65 x 0.49 inch, 123 x 21 x 14 mm/4.84 x 0.83 x 0.55 inch.

Model: X3-0512, X3-1012,X3-2012. Package quantity: 6pcs.

【Package Included】: 20 x PCB Teminal Blocks

【Type】: 4 Positions, Plug-In PCB terminal block connector.

【Easy to Use】: PCB din rail adapter; Easy to install and detach.

⭐Brass terminal grounding strip bus bar blocks with 4 screws.

⭐Hole Diameter: 5mm/0.2"; Screw Size: M4.

⭐Mounting Hole Center Distance: 59mm/2.32".

30Amp 300V 2x12 position screw terminal block distribution module. Support for multiple module extension connections.

A / B position maximum current 30Amp(each position). A 1~12 total maximum current 30Amp(total positions). B 1~12 total maximum current 30Amp(total positions). A 1~12 / B 1~12 position maximum current 10Amp(each position). Maximum voltage 300V.

A / B terminal blocks, Pitch 7.62mm/0.3", Wire range 26AWG ~ 10AWG / 4.0mm square, Rated voltage 300V, rated current 30Amp. Strip length 8mm. Screws - M3,steel, Cr3+ Zn plated. Pin header and Cage - Brass.

★★★★★ High Quality!!! Reminds: The production process is updated, and the plastic material changes from black to gray. Do not order if you mind color. 600V 25A 4P (Dual Row) Barrier Terminal Block, Strip Material : Tin-plated Brass, Screw+Washer: Tin-plated Brass;

★★★★★ Terminal Block Stripe: 600V 25A, Material : Tin-plated Brass, ABS,Fork Type Terminal Stripe: 400V 25A, Material : Tin-plated Brass, PVC;

★★★★★ Size: 125 x 22 x 17mm/ 4.92" x 0.87" x 0.67" (L*W*T);Color : Black,Red;Package Content : 4 x Barrier Terminal Block; 4 x Terminal Stripe;

Durable material: these white terminal blocks adopt flame-retardant PP material shell, which have insulation, corrosion resistance and wear resistance; They can stand temperature between - 40 to 150 degrees Celsius, which have nice electrical conductivity

Nice performance: the plated zinc alloy screws and copper-plated zinc alloy terminals have nice stability and conductivity, which can serve you for a long time, enough quantity for you to use

Safe to use: the tightly screw can ensure reliable electrical contact, and helps prevent accidental contact with the terminal, so you can use it with confidence

Barrier Types

Euro-Style Types

2 Pole through 24 Pole

Package Included: 20 x 4-Pin Screw Terminal Block Connectors; Color: Green

Terminal Pitch: 2.54mm/ 0.1inch; Rated Value: AC 150V 6A; Wiring Range: 24-12AWG

Screw Terminal Block is made of plastic and copper, handy and easy to assemble; Can be applied for PCB prototypes

【Safe and Reliable】Idong Power distribution block Selected flame-resistant material, safer than normal plastic,internal Copperplate conductor material, better conductive properties,And nickel-plated which has a long life, no corrosion, anti-aging

【Easy to use】First insert the wire into the ring terminal, then open the protective cover, and finally pass the screw through the terminal, and tighten the screw to fix the terminal. The wires will not come loose.

【Universal product】 providing maximum voltage: 300V AC, 48V DC and 130A AC, 150A DC current,Up to 10 circuits can be connected to a row. good protection for your boat, car, RV

High Quality Material -- The 10 position terminal bus bar is made of brass, polycarbonate shell, durable, with high strength, high hardness, wear resistance.

Easy to Use -- Without protective cover, the terminal bus bar can be used directly, easy to wire, convenient and fast.

Product Dimension -- Total Size: 109 x 15 x 21mm / 4.3" x 0.6" x 0.83"; Mounting Hole Distance: 93mm / 3.66"; Screw Size: M4.

✿2.54mm Terminal Block: The package contains 20 x 4 pin PCB connector, rated voltage: 150V, rated current: 6A, wiring range: 24-12AWG.

✿High-Quality Material: The pin of the PCB screw terminal block is made of brass, which has good electrical conductivity. The shell of the PCB terminal block is made of plastic, flame-retardant and insulated, ensuring safety during use.

✿Wide Application Range: PCB terminal connectors are widely used in low frequency PCB wiring, 2.54mm pitch screw terminals are suitable for electronics, communication equipment, household appliances and alarm devices.

4 gang terminal block neatly organizes wire connections

Corrosion resistant construction

Size: 4 inch x 1-5/16 inch x 11/16 inch

【Terminal Pitch】3.5mm/ 0.14inch pitch PCB terminal block connector.

【Specification】 Position: 4Pin; Rated Value: AC300V; Rated Current: 8A; Wiring Range: 28-16AWG.

【Easy to Use】No soldering required. Just use a small screwdriver to open up the terminal blocks, slide in your stranded or solid-core wire, and re-tighten. Save you from solder trouble, no need to purchase expensive tool. Great time and money saver.

Package Includes: 2 x Terminal Bus Bar

Contact material: copper Production process: cold pressing Insulator material: plastic.

Overall length: 70mm/ 2.76". Hole Diameter: 5mm/0.2". Screw Size: M4. Copper bar height: 9mm/0.35in.

20 Amp 48V 2x10 Position Barrier Terminal Block Distribution Module for AC DC. You can chose input from Barrier terminal block, Banana jack or DC power jack. Support for multiple module extension connections.

Rated current 20 Amp(input from barrier terminal block). Input from banana jack maximum current 6 Amp. Input from DC power jack maximum current 5 Amp. Maximum voltage 48V DC or AC.

Barrier terminal blocks: pitch 7.62mm, screw Metric M3(thread diameter 3mm). Banana jacks: standard 4mm jack. DC power jack: for 5.5mm x 2.1mm plug.

15EDGRK 4-Pole terminal pitch: 3.81mm. Plug-in terminal, non-welding butt. One set: socket + wiring female head. Suitable for electrical connection, bid farewell to traditional wiring, bid farewell to dangerous, safe wiring

3.81mm 4P ground circuit terminal blocks. Rated voltage & current: 300V 8A. Wire range: 28-16AWG. They are widely used in electronics,communication equipment,instruments,computers,automatic control systems and alarm equipment,etc

3.81mm phoenix connector, anti-vibration design to ensure the long-term airtight connection, low control signal loss, high switching frequency, no mechanical contact jitter, not affected by position and long service life

Product Type: TERMINAL BLOCK

Package length: 9.4 cm

Package width: 17.6 cm

👍Size: 95 x 12 x 22 mm/3.74 x 0.47 x 0.86 inches(L x W x H); Hole Distance: 82mm/3.22 inches; Hole Diameter: 4mm/0.15 inches

👍Material: Made of high quality brass material, these connectors are durable and sturdy.

👍Features: High strength, high hardness, good wear-resistance and chemical corrosion-resistance.

Type: USLKG5 Ground Earth Screw Type Terminal Blocks Wire Connector

Material: Nylon PA66 Housing + Fine Copper + Nickel-plated Screws

Application:Conduct Electricity, Transmission of Electrical Signals

Unassembled, variety mount methods, you can make flexible use.

PCB: FR-4 fiber glass PCB, dual copper layers, size 120mm x 78mm. Pads grid / pitch 2.54mm / 0.1", hole diameter 0.8mm. Terminal block pitch 3.5mm / 0.138", hole diameter 1.2mm.

Terminal Block: Pitch 3.5mm / 0.138" mini terminal blocks, total 84 pins(3pole x24pcs, 2pole x6pcs ). Wire range 26~16AWG, strip length 5mm, screws M2 steel, pin header and cage brass.

GLOSO Double Row Stainless Terminal Block 6P

Center Spacing: 0.687" or 11/16" (17.45 mm pitch)

Rated Voltage/Current: 600V/75A

✔️About the project:These Phoenix connectors are made of advanced materials. They are well made and stable with pure copper metal block and UL 94V0 fireproof plastic shell.

✔️[Specification] Terminal spacing: 5.08mm; Rated voltage: 300V 10A. They are heat resistant, flame retardant and current balanced to ensure no leakage. Low signal loss and high switching frequency

✔️[Quick and Safe Wiring] Can be installed on the 5.08mm-4PIN Phoenix connector, allowing you to easily install and replace printed circuit boards.