Meter socket base is a device used in electrical installations to house the electric meter and provide a secure and weather-resistant connection point for the service entrance conductors. It is typically a metal box with a hinged cover, located on the outside of a building near the main electrical service entrance.
The meter base is an essential component of the electrical system, as it serves as the point of connection between the utility company's power lines and the customer's electrical service. The electric meter is installed in the meter base, and it measures the amount of electricity used by the customer.
Specifications of 100A Meter Sockets
|
Model |
GTFP-100A/4J |
|
Reference voltage |
600Vac |
|
Reference current |
100A |
|
Wiring system |
1-phase, 2-wire |
|
Top opening |
1″ to 2-1/2″ optional |
|
Terminal |
4 terminals |
|
Jaws |
Heavy duty tinned copper jaw |
|
Connector |
Steel |
|
Insulator |
Flame-retardant, high temperature, polycarbonate |
|
Enclosure |
NEMA 3R type construction electrostatically applied epoxy baked gray powder finished |
|
Dimension |
226.5 x 194 x 111 mm |
- 100A Meter Socket
- High Quality GTFP – 100A/4J Square Meter Sockets.
- GTFP-100A/4J 4 Terminals Meter socket bases Series is used for single phase ANSI standard socket meters.
- The socket can be used for continuous current by 100A; and the voltage is 600V.
- Conform to ANSI standard ANSI 12.7.
- The socket is made by Heavy duty tinned copper jaw and NEMA 3R type construction with Convenient knockouts in the side back and bottom.
Outline Dimensions

|
Product Number |
Description |
Outline Dimensions (H x W x D) |
|
GTFP - 100A/4J |
100A, 4 jaw, ring type |
226.5 x 194 x 111 |
|
GTFP - 100A/4J |
100A, 4 jaw, ring type with Hub |
226.5 x 194 x 111 |
Features
Enclosure
Manufactured from 1.0-1.5mm galvanized steel sheet with a baked gray powder polyester paint finish, it offers excellent corrosion resistance, ensuring a long service life in various environmental conditions.
Single-Phase Suitability
Perfectly designed for single-phase wiring, with a maximum service voltage of 600Vac, meeting standard electrical system requirements.
Easy Installation
Ample gutter space for wiring. Convenient knockouts on the side, back, and bottom allow for flexible conduit connections. Lay-in type terminals with pressure plates enable quick and easy wire connections. The sockets can accept hubs from1''1-2'' size, enhancing installation versatility.
Replacement Block Assemblies Compatibility
For related maintenance and upgrades, our replacement block assemblies like PB100 - 4J (for GTFP - 100A/4J) ensure that your meter socket system can be easily serviced and maintained over time.
Applications
Here are key application scenarios:
Home Energy Monitoring
Track electricity/water/gas usage for cost savings.
01
Business & Industrial
Optimize consumption in offices, factories, and warehouses.
02
Smart Grid Integration
Enable real-time data for utilities and consumers.
03
Renewable Energy
Manage solar/wind output and storage systems.
04
Multi-Unit Properties
Submeter tenant usage in apartments.
05
Customization
We understand that every project may have unique requirements. Our 100A meter sockets offer customization possibilities as follows:
Color Customization
While the standard baked gray powder polyester paint provides excellent corrosion resistance, we can customize the paint color to match your project's aesthetic or branding needs. Whether you need a specific shade to blend with the electrical panel's surroundings in a high-end commercial space or a color that aligns with your home's exterior theme, we are able to accommodate such requests.
Terminal and Wiring Configurations
Depending on your specific electrical system setup, we can customize the terminal types and wiring configurations. If you have special requirements for wire connections, such as unique terminal sizes or arrangements for easier installation in a compact electrical panel, our team will work with you to create a tailored solution.
Conduit Hub Adaptations
If your project requires non-standard conduit hub sizes beyond the 1" to 2 - 1/2" range, or specific hub designs for specialized conduit systems, we can customize the meter socket to fit. This ensures seamless integration with your existing or planned conduit infrastructure.
Enclosure Customization
We can customize various sizes of meter base according to customers' requirements.
Why Choose Our 100A Meter Sockets?
Quality Assurance
Built with high-grade materials and strict manufacturing standards, our meter sockets deliver consistent performance and safety.
Versatility
Suitable for a range of single-phase electrical metering needs, with features that adapt to different installation scenarios.
Durability
The corrosion-resistant design and robust construction mean fewer replacements and less maintenance, saving you time and money in the long run.
Customization Flexibility
Tailor the product to your exact project requirements, ensuring a perfect fit for both functional and aesthetic needs.
Our Factory
Our facility integrates every step of the process-from design and metal stamping to bending, powder coating, and final assembly. With a full range of advanced equipment, we are fully prepared to deliver high-quality products for any project.

FAQ
Q: 1. How can I place an order?
A: Please provide the details of your requirements as clear as possible. So we can send you the offer at the first time. For designing or further discussion, it is better to contact us with Email.
Q: 2. When can I get the price?
A: Usually we quote within 24 hours after we get your inquiry.
Q: 3. Can you do the design for us?
A: Yes. We have a professional team having rich experience in design and manufacturing.
Q: 4. How long can I expect to get the sample?
A: 10-15 days
Q: 5. What is the difference between 4-Jaw, and 5-Jaw sockets?
A: 4-Jaw: The standard for modern 120/240V Single Phase residential service (2 hots, 1 neutral, 1 ground).
5-Jaw: Often used for specific grounding requirements or specialized single-phase applications where an isolated ground terminal is needed.
Q: 6. What is the difference between Ring-Type and Ring-less sockets, and which should I choose?
A: Ring-Type : Features a locking ring that secures the meter base. This allows authorized utility personnel to remove the meter without cutting power to the entire building (bypass capability), which is standard for most residential services.
Ring-less type: Secured directly by screws. This is typically used for temporary power or specific applications where utility bypass is not required.
For standard permanent residential installations, the Ring-Type is the industry norm.
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