Plug Key is a premium-quality electrical laboratory instrument designed to safely open and close electrical circuits during physics experiments, demonstrations, and practical training. Manufactured with high-conductivity brass contacts mounted on a durable insulated base, it ensures low electrical resistance, reliable switching, and consistent laboratory performance.
The plug key is an essential component in experiments involving Ohm’s Law, Wheatstone Bridge, resistance measurement, Kirchhoff’s laws, electromagnetism, and other electrical circuit investigations. Its removable brass plug allows users to quickly complete or interrupt an electrical circuit with minimal contact resistance, ensuring accurate experimental results.
Available in one-way, two-way, three-way, and four-way configurations, the Plug Key offers flexibility for a wide variety of laboratory setups and educational requirements. The robust construction ensures long service life even under frequent laboratory use.
Widely used in schools, colleges, universities, technical institutes, research laboratories, and engineering training centers, the Plug Key is an indispensable accessory for electrical and physics experiments.
Supplied by Edulabs, the Plug Key is carefully selected to meet the requirements of modern educational laboratories across Tanzania and East Africa, delivering dependable quality, reliable electrical performance, and long-lasting durability.
Key Features
- Premium laboratory-grade construction
- High-conductivity brass contacts
- Durable insulated base
- Reliable circuit switching
- Low contact resistance
- Available in one-way, two-way, three-way, and four-way models
- Easy to operate
- Corrosion-resistant brass components
- Long service life
- Suitable for electrical and physics laboratory experiments
- Quality-tested for dependable laboratory performance
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Plug Key |
| Material | Brass Contacts with Insulated Base |
| Product Type | Electrical Laboratory Equipment |
| Configuration | One Way, Two Way, Three Way & Four Way |
| Electrical Conductivity | High |
| Reusable | Yes |
| Application | Electrical Circuit Switching |
| Grade | Laboratory Grade |
| Country of Origin | Africa |
Available Model & Pack Size
| Model | Configuration | Pack Size |
|---|---|---|
| Plug Key | One Way | 1 pc |
| Plug Key | Two Way | 1 pc |
| Plug Key | Three Way | 1 pc |
| Plug Key | Four Way | 1 pc |
Note: Additional electrical laboratory apparatus, circuit components, measuring instruments, and physics laboratory equipment are available upon request. Contact Edulabs for bulk orders and customized laboratory supply solutions.

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