Fork Terminals

1.Terminal material: Tin plated Copper (Brass material also available as requested)
2.Insulation material: Vinyl (PVC) or Nylon
3.Features: Electricity safe, easy to install, high temperature resistant, anti-corrosion, various sizes and packages for chosen.
4.Maximum temperature: Vinyl 75℃, Nylon 105℃.
5.Maximum electrical rating: 600 volts
6.Color: according to the international wiring standard, other colors are available as requested.
7.Certificates: CE, RoHS, SGS

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Vinyl-Insulated Fork Terminals for Fast Electrical Connections

Quick Screw Connections. Easy Maintenance. Reliable Crimping.

Vinyl-insulated fork terminals, also known as insulated spade terminals, are designed for quick electrical connections to screw terminals and terminal blocks.

The open U-shaped tongue allows installation and removal without completely removing the fastening screw, making these terminals ideal for electrical equipment assembly, control panels and maintenance applications.

Open Fork Design for Faster Installation

Unlike closed-ring terminals, fork terminals can slide under a loosened screw head, simplifying wiring changes and equipment servicing.

Key benefits include:

Quick Installation: Connect wires without fully removing the screw.
Easy Maintenance: Simplify wire replacement and troubleshooting.
Reliable Conductivity: Tin-plated copper provides good electrical contact.
Insulated Crimp Barrel: PVC insulation supports general electrical wiring.
Color-Coded Options: Help identify compatible wire-size ranges.

Correct crimping and screw tightening are essential for reliable connections.

Multiple Insulation & Crimping Options

Standard vinyl-insulated fork terminals are available alongside additional designs for different application requirements.

Terminal Type	Main Advantage	Recommended Application
Vinyl-Insulated	Economical insulation for general wiring	Electrical panels, appliances and equipment
Easy Entry	Funnel-shaped entry for easier wire insertion	High-volume assembly and production
Double Crimp	Additional support around the wire insulation	Machinery and wiring exposed to movement
Nylon-Insulated	Tougher insulation with higher temperature capability, depending on grade	Industrial equipment and demanding wiring
Heat-Shrinkable	Additional environmental protection; adhesive-lined options for moisture sealing	Outdoor and marine electrical connections

Typical Applications

Electrical Control Panels: Convenient screw-terminal wiring and maintenance.
Industrial Equipment: Internal electrical connections and component wiring.
Appliances & HVAC: Electrical assembly and serviceable connections.
Equipment Maintenance: Faster wire disconnection during repair or replacement.
Automotive & Marine Accessories: Application-specific crimp connections using suitable terminal designs.

ITEM NO.	Wire size	Wire size	Stud Size	Stud Size	d2	W	F	L	H	d1	D	T	COLOR
ITEM NO.	mm2	AWG	Metric	American	mm	mm	mm	mm	mm	mm	mm	mm	COLOR
SV1.25-3.2	0.5~1.5mm²	22~16	3	#4	3.2	5.7	6.5	21.2	10.0	1.7	4.2	0.8	Red
SV1.25-3.5S	0.5~1.5mm²	22~16	3.5	#6	3.7	5.7	6.5	21.2	10.0	1.7	4.2	0.8	Red
SV1.25-3.5L	0.5~1.5mm²	22~16	3.5	#6	3.7	6.4	6.5	21.2	10.0	1.7	4.2	0.8	Red
SV1.25-4S	0.5~1.5mm²	22~16	4	#8	4.3	6.4	6.5	21.2	10.0	1.7	4.2	0.8	Red
SV1.25-4M	0.5~1.5mm²	22~16	4	#8	4.3	7.2	6.5	21.2	10.0	1.7	4.2	0.8	Red
SV1.25-4L	0.5~1.5mm²	22~16	4	#8	4.3	8.1	6.5	21.2	10.0	1.7	4.2	0.8	Red
SV1.25-5S	0.5~1.5mm²	22~16	5	#10	5.3	8.1	6.5	21.2	10.0	1.7	4.2	0.8	Red
SV1.25-5L	0.5~1.5mm²	22~16	5	#10	5.3	9.5	6.5	21.2	10.0	1.7	4.2	0.8	Red
SV1.25-6S	0.5~1.5mm²	22~16	6	1/4 “	6.5	9.5	6.5	21.2	10.0	1.7	4.2	0.8	Red
SV1.25-6L	0.5~1.5mm²	22~16	6	1/4 “	6.5	12.0	11.0	27.2	10.0	1.7	4.2	0.8	Red
SV1.25-8	0.5~1.5mm²	22~16	8	5/16 “	8.5	13.5	11.5	26.7	10.0	1.7	4.2	0.8	Red
SV2-3.2	1.5~2.5mm²	16~14	3	#4	3.2	5.7	6.5	21.2	10.0	2.3	4.7	0.8	Blue
SV2-3.5S	1.5~2.5mm²	16~14	3.5	#6	3.7	5.7	6.5	21.2	10.0	2.3	4.7	0.8	Blue
SV2-3.5L	1.5~2.5mm²	16~14	3.5	#6	3.7	6.0	6.5	21.2	10.0	2.3	4.7	0.8	Blue
SV2-4S	1.5~2.5mm²	16~14	4	#8	4.3	6.4	6.5	21.2	10.0	2.3	4.7	0.8	Blue
SV2-4M	1.5~2.5mm²	16~14	4	#8	4.3	7.2	6.5	21.2	10.0	2.3	4.7	0.8	Blue
SV2-4L	1.5~2.5mm²	16~14	4	#8	4.3	8.1	6.5	21.2	10.0	2.3	4.7	0.8	Blue
SV2-5S	1.5~2.5mm²	16~14	5	#10	5.3	8.1	6.5	21.2	10.0	2.3	4.7	0.8	Blue
SV2-5L	1.5~2.5mm²	16~14	5	#10	5.3	9.5	6.5	21.2	10.0	2.3	4.7	0.8	Blue
SV2-6S	1.5~2.5mm²	16~14	6	1/4 “	6.5	9.5	6.5	21.2	10.0	2.3	4.7	0.8	Blue
SV2-6L	1.5~2.5mm²	16~14	6	1/4 “	6.5	12.0	11.0	27.2	10.0	2.3	4.7	0.8	Blue
SV2-8	1.5~2.5mm²	16~14	8	5/16 “	8.5	13.5	11.5	27.0	10.0	2.3	4.7	0.8	Blue
SV3.5-3.5	2.5~4mm²	14~12	3.5	#6	3.7	8.0	7.7	25.3	13.0	2.9	6.2	1.0	Black
SV3.5-4	2.5~4mm²	14~12	4.0	#8	4.3	8.0	7.7	25.3	13.0	2.9	6.2	1.0	Black
SV3.5-5	2.5~4mm²	14~12	5.0	#10	5.3	8.0	7.7	25.3	13.0	2.9	6.2	1.0	Black
SV3.5-6	2.5~4mm²	14~12	6.0	1/4 “	6.5	12.0	9.1	28.5	13.0	2.9	6.2	1.0	Black
SV3.5-8	2.5~4mm²	14~12	8	5/16 “	8.5	14	11.5	30.7	13.0	2.9	6.2	1.0	Black
SV5.5-3.5	4~6mm²	12~10	3.5	#6	3.7	8.3	7.0	25.5	13.0	3.4	6.5	1.0	Yellow
SV5.5-4S	4~6mm²	12~10	4	#8	4.3	8.3	7.0	25.5	13.0	3.4	6.5	1.0	Yellow
SV5.5-4L	4~6mm²	12~10	4	#8	4.3	9.0	7.0	25.5	13.0	3.4	6.5	1.0	Yellow
SV5.5-5	4~6mm²	12~10	5	#10	5.3	9.0	7.0	25.5	13.0	3.4	6.5	1.0	Yellow
SV5.5-6S	4~6mm²	12~10	6	1/4 “	6.5	9.0	7.0	25.5	13.0	3.4	6.5	1.0	Yellow
SV5.5-6L	4~6mm²	12~10	6	1/4 “	6.5	12.0	12.0	31.7	13.0	3.4	6.5	1.0	Yellow
SV5.5-8	4~6mm²	12~10	8	5/16 “	8.5	14.0	11.5	30.7	13.0	3.4	6.5	1.0	Yellow
SV8-4	6~10mm²	8	4	#8	4.3	9.0	7.6	28.3	16.0	4.5	8.0	1.2	Red
SV8-5	6~10mm²	8	5	#10	5.3	9.0	8.1	28.3	16.0	4.5	8.0	1.2	Red
SV8-6	6~10mm²	8	6	1/4 “	6.5	12.0	9.2	31.3	16.0	4.5	8.0	1.2	Red
SV8-8	6~10mm²	8	8	5/16 “	8.5	13.8	10.7	32.9	16.0	4.5	8.0	1.2	Red
SV8-10	6~10mm²	8	10	3/8 “	10.5	15.9	10.7	32.9	16.0	4.5	8.0	1.2	Red
SV14-4	10~16mm²	6	4	#8	4.3	9.0	9.5	36.5	21.5	5.8	11.0	1.4	Blue
SV14-5	10~16mm²	6	5	#10	5.3	9.0	9.5	36.5	21.5	5.8	11.0	1.4	Blue
SV14-6	10~16mm²	6	6	1/4 “	6.5	11.0	9.5	36.5	21.5	5.8	11.0	1.4	Blue
SV14-8	10~16mm²	6	8	5/16 “	8.5	13.8	10.7	39.5	21.5	5.8	11.0	1.4	Blue
SV14-10	10~16mm²	6	10	3/8 “	10.5	15.9	10.7	39.5	21.5	5.8	11.0	1.4	Blue
SV22-5	16~25mm²	4	5	#10	5.3	11.0	9.5	39.3	23.5	7.7	13.0	1.6	Yellow
SV22-6	16~25mm²	4	6	1/4 “	6.5	11.0	9.5	39.3	23.5	7.7	13.0	1.6	Yellow
SV22-8	16~25mm²	4	8	5/16 “	8.5	16.5	13.5	45.0	23.5	7.7	13.0	1.6	Yellow

Choose the Right Fork Terminal

Select according to wire size, stud diameter, fork opening, insulation requirements and installation environment.

Use a compatible crimping tool and ensure the fork is correctly seated and tightened under the screw head.

Request a Quote: Provide your wire size, stud size, terminal type, quantity and packaging requirements.

Frequently Asked Questions

1. What are vinyl-insulated fork terminals used for?

They are used for electrical connections to screw terminals and terminal blocks, especially where quick installation and convenient maintenance are important.

2. What is the difference between fork and ring terminals?

Fork terminals can be installed under a loosened screw without completely removing it. Ring terminals have a closed loop that provides additional mechanical retention around the stud.

3. What is the advantage of easy-entry fork terminals?

The funnel-shaped entry helps guide stripped wire strands into the crimp barrel, simplifying assembly.

4. What is the difference between vinyl and nylon insulation?

Vinyl insulation is commonly used for general wiring. Nylon insulation typically provides greater toughness and higher temperature capability, depending on the material grade.

5. Are heat-shrink fork terminals waterproof?

Adhesive-lined heat-shrink versions can provide moisture-resistant sealing when correctly crimped and heated. Sealing performance depends on the specific product construction and installation.

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