Parallel Groove Clamps Copper Aluminium

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Product details

Parallel Groove Clamps | PG Copper & Aluminum PG Clamp Manufacturer | YOKELINK

Parallel Groove Clamps (PG Clamps) are engineered to provide secure, low-resistance electrical and mechanical connections between overhead conductors. Designed for utility power distribution, substations, grounding systems and industrial electrical installations, our clamps are available in copper alloy, tin bronze, aluminum alloy and bimetallic copper-aluminum constructions.

Manufactured with precision casting and CNC machining, YOKELINK PG clamps deliver excellent conductivity, high mechanical strength and superior corrosion resistance for long-term outdoor performance.

YOKELINK supplies high-quality Parallel Groove Clamps for copper, aluminum, ACSR and galvanized steel conductors. Available in copper alloy, tin-plated bronze and bimetallic designs for overhead power distribution, grounding and utility applications.

Product Features:

Excellent Electrical Conductivity
High Mechanical Strength
Precision Cast Construction
Corrosion Resistant Surface Finish
Low Contact Resistance
Wide Conductor Compatibility
Easy Installation
Long Service Life
Maintenance Free
Suitable for Utility Grade Applications

Parallel Groove Clamps Materials

Bronzed Copper Parallel Groove Clamps Types

Multiple surface finish options are provided for Parallel Groove Clamps, including Natural Copper, Tin Plated, Electro Tin Plating, Natural Aluminum, and Optional Nickel Plating. Meanwhile, a full range of product types is available for selection: Parallel Groove Clamp, Universal Parallel Clamp, Bimetallic Parallel Groove Clamp, Copper Parallel Groove Clamp, Aluminum Parallel Groove Clamp, Grounding Parallel Clamp, Heavy Duty PG Clamp and Utility Grade Parallel Clamp.

Material	Features	Typical Applications
Copper Alloy	High conductivity and strength	Copper conductor connections
Tin Bronze	Excellent corrosion resistance	Grounding and utility systems
Tin Plated Copper Alloy	Reduced oxidation and contact resistance	Coastal and outdoor installations
Aluminum Alloy	Lightweight and economical	AAC / AAAC overhead lines
Bimetallic Copper-Aluminum	Prevents galvanic corrosion	Copper-to-aluminum conductor connections

Parallel Groove Clamps Standard Specifictions:

Item	Specification
Material	Copper Alloy / Tin Bronze / Aluminum Alloy / Bimetallic
Surface	Tin Plated / Natural
Manufacturing	Precision Casting
Fasteners	Galvanized Steel / Stainless Steel
Bolt Type	Hex Bolt
Installation	Mechanical Tightening
Application	Overhead Power Distribution
Service Temperature	-40°C to +120°C

Paralle Groove Clamps Compatible Conductors

YOKELINK Parallel Groove Clamps are engineered to accommodate a broad range of conductor sizes and cable types. They are compatible with copper conductors, AAC (All Aluminum Conductors), AAAC (All Aluminum Alloy Conductors), ACSR (Aluminum Conductor Steel Reinforced), galvanized steel wire, messenger wire, grounding conductors, and Copperweld conductors.

The parallel groove clamp (PG Clamp) Applications (1)

Standard models are available for conductor sizes ranging from #10 AWG up to 636 kcmil, while customized groove sizes and conductor combinations can be manufactured according to customer drawings or utility specifications. This flexibility allows our clamps to meet the requirements of various electrical distribution and transmission systems.

Wire Gauge Comparison Chart

AAC (All Aluminum Conductor)
AAAC (All Aluminum Alloy Conductor)
ACSR (Aluminum Conductor Steel Reinforced)
Copper Conductor
Copperweld Conductor
Galvanized Steel Wire
Grounding Conductors
Messenger Wire

AWG / MCM	Metric (Approx.)
#10 AWG	5 mm²
#8 AWG	8 mm²
#6 AWG	13 mm²
#4 AWG	21 mm²
#2 AWG	33 mm²
1/0 AWG	53 mm²
2/0 AWG	67 mm²
3/0 AWG	85 mm²
4/0 AWG	107 mm²
250 kcmil	127 mm²
336 kcmil	170 mm²
397 kcmil	201 mm²
477 kcmil	242 mm²
556 kcmil	282 mm²
636 kcmil	322 mm²

Quality Control Of Parallel Groove Clamps

Parallel Groove Clamps Quality Inspection Process

At YOKELINK, every Parallel Groove Clamp (PG Clamp) undergoes a strict quality control process to ensure reliable electrical performance, mechanical strength, and long-term durability in overhead power line and grounding applications. Our quality management system covers raw material inspection, precision manufacturing, dimensional verification, mechanical testing, and final product inspection according to international industry requirements.

The quality control process begins with incoming material inspection, where aluminum alloy, copper, or bimetal materials are tested for chemical composition, hardness, conductivity, and surface condition. Only qualified raw materials are approved for production to guarantee excellent electrical conductivity and corrosion resistance.

During manufacturing, each parallel groove connector is monitored through CNC machining, forging, casting, and surface treatment processes. Critical dimensions such as groove radius, clamp body thickness, bolt hole position, and conductor contact area are precisely measured to ensure perfect compatibility with different cable sizes and conductor types.

For mechanical performance verification, our engineers perform torque testing, tensile strength testing, and assembly verification to confirm that the clamp can provide stable clamping force without damaging the conductor. The contact surface is inspected to ensure uniform pressure distribution and reliable electrical connection under long-term operation.

Aluminium Parallel Groove Clamps Supplier China (6)

Copper Parallel Groove Clamps Supplier China (4)

Parallel Groove Clamps Supplier China (1)

Designed for Utility and Industrial Applications

Parallel Groove Clamps are widely used wherever two parallel conductors require a strong mechanical and electrical connection. They are commonly installed on overhead distribution lines, substations, transmission networks, renewable energy systems, telecommunications infrastructure, and data center grounding systems.

Thanks to their compact design and easy installation, these clamps allow electricians and utility technicians to quickly establish reliable conductor connections without complicated tools or specialized equipment. The large contact area between the clamp and conductor helps minimize resistance while improving current transfer efficiency.

Why Choose YOKELINK Parallel Groove Clamps?

With years of manufacturing experience in electrical connectors and utility hardware, YOKELINK provides customers with high-performance Parallel Groove Clamps that combine excellent conductivity, durable construction, and reliable corrosion resistance. We offer OEM and ODM manufacturing, customized conductor ranges, multiple material options, and strict quality control to support distributors, utility companies, and electrical equipment manufacturers around the world.

Whether your project requires copper-to-copper connections, aluminum conductor applications, or copper-to-aluminum transition connectors, YOKELINK can provide the right Parallel Groove Clamp solution to meet your technical and commercial requirements.

For pricing details and customized quotations, please reach out to our sales team at your convenience.

Frequently Asked Questions (FAQ)

Q1: What is a Parallel Groove Clamp?

A Parallel Groove Clamp is a mechanical connector designed to join two parallel conductors while providing excellent electrical conductivity and mechanical strength.

Q2: What conductor types are compatible?

Copper, AAC, AAAC, ACSR, galvanized steel, messenger wire, and grounding conductors.

Q3: What materials are available?

Copper alloy, tin bronze, tin-plated copper alloy, aluminum alloy, and bimetallic copper-aluminum.

Q4: Can the clamp be used outdoors?

Yes. Tin-plated and corrosion-resistant models are designed for long-term outdoor utility applications.

Q5: Can YOKELINK manufacture custom sizes?

Yes. OEM and custom conductor ranges are available according to drawings or customer specifications.