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JMA UPL-4F-78 Female Connector Plenum 4.3-10 7/8 Upl 50

Upl-4f-78 Jma 4.3-10 Female Connector 7/8 Inch Plenum Upl 50 Ohm

( Brand: Jma ), ( Manufacturer Part Number: UPL-4F-78 ), ( Type: Connector ), ( Connection Split/duplication: 1 ), ( Country Of Origin: United States )

Review JMA 4.3-10 Female Connector 7/8 Inch Plenum Upl 50 Ohm

The **JMA UPL-4F-78 4.3 10 Female Connector** is a high-performance, plenum-rated coaxial cable connector designed for professional-grade audio, video, and RF applications where signal integrity and reliability are paramount. Engineered with precision, this **7/8-inch (22.23 mm) female connector** features a robust **UPL (Ultra-Premium Locking)** design, ensuring a secure and repeatable connection that minimizes signal loss and prevents accidental disconnections during demanding installations. The **4.3 10 mm (0.17 0.39 in) female center pin** accommodates a wide range of coaxial cables, including those with standard RG-6, RG-59, or similar constructions, making it versatile for both residential and commercial setups. Built to meet **UL 94V-0 flame retardant standards**, this connector is **plenum-rated (CMP)**, meaning it is safe for installation in air-handling spaces such as drop ceilings, ventilation shafts, and other enclosed environments where fire safety is critical. The **UPL-50 series** further enhances performance with a **low-loss, high-frequency response**, making it ideal for applications requiring crystal-clear audio transmission, high-definition video distribution, or RF signal distribution in broadcast, surveillance, or home theater systems. Its **durable brass construction** with a **gold-plated center contact** ensures excellent conductivity and resistance to corrosion, while the **smooth, interference-free locking mechanism** simplifies installation and removal without damaging cables. Whether used in professional audio-visual setups, cable television distribution, or industrial RF applications, this connector delivers a seamless, high-fidelity connection that meets the demands of modern communication systems.

### **Pros and Cons of buying a JMA UPL-4F-78 (4.3 10 Female Connector, 7/8" Plenum UPL-50)**

#### **Pros:**

1. **Plenum-Rated Compliance** The connector is designed for plenum-rated installations, meaning it meets strict fire safety and air quality standards for use in spaces where air circulation is critical (e.g., HVAC systems, data centers, or commercial buildings). This ensures compliance with regulations like NFPA 90A and UL standards.

2. **Wide Size Range (4.3 10 Female)** The 4.3 to 10 female adapter allows flexibility in connecting to various cable sizes, making it versatile for different applications. This reduces the need for multiple adapters, simplifying inventory management.

3. **Durable Construction** JMA connectors are generally built with high-quality materials, including flame-retardant plastics and robust metal components, which enhances longevity and resistance to environmental stressors like heat, moisture, and physical strain.

4. **UL and Industry Certifications** The product is likely certified by Underwriters Laboratories (UL) and other relevant agencies, ensuring reliability and safety in professional and commercial settings. This certification can be crucial for compliance in large-scale projects.

5. **Easy Installation** The design is typically straightforward, with a secure locking mechanism to prevent accidental disconnections. This reduces downtime during maintenance or upgrades.

6. **Compatibility with UPL-50 Series** If you re already using JMA s UPL-50 series connectors, this adapter will integrate seamlessly, maintaining consistency in your cabling infrastructure.

7. **Cost-Effective for Bulk Use** While individual connectors may seem priced moderately, purchasing in bulk can offer better value, especially for large-scale projects or ongoing maintenance needs.

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#### **Cons:**

1. **Limited Male-to-Male or Other Gender Options** This is a **female-to-female** adapter, meaning it connects two female ends. If you need a male-to-male or mixed-gender connection, you may require additional adapters, increasing costs.

2. **Potential Overkill for Small Projects** If you re working on a small-scale or one-off project, the price of a single adapter might not justify its use. For such cases, a simpler or cheaper connector may suffice.

3. **Compatibility Concerns with Non-JMA Systems** While JMA connectors are industry-standard, there s always a risk of compatibility issues if integrating with third-party systems that use slightly different standards or proprietary designs.

4. **Sourcing and Lead Times** Depending on the supplier, availability may vary, and lead times could be longer than for generic or widely stocked connectors. This might delay projects if not planned ahead.

5. **Learning Curve for Installation** Although generally user-friendly, improper installation (e.g., overtightening or misalignment) could damage the connector or cable. Training or careful handling may be required for non-experienced users.

6. **Price Sensitivity** Compared to generic or no-name adapters, JMA connectors are positioned as a mid-to-high-end product. For budget-conscious buyers, especially in non-critical applications, cheaper alternatives might be considered.

7. **Warranty and Support Dependence on Supplier** If issues arise post-purchase, the quality of customer support and warranty coverage from the supplier will determine how smoothly problems are resolved.

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### **Conclusion**

The **JMA UPL-4F-78 (4.3 10 Female Connector, 7/8" Plenum UPL-50)** is a well-suited choice for professional, compliance-driven applications where plenum-rated, durable, and versatile connectors are required. Its advantages in safety, flexibility, and reliability make it ideal for HVAC systems, data centers, or commercial installations where standards are non-negotiable. However, its higher cost, limited gender options, and potential overkill for minor projects may not justify its purchase for smaller or non-critical applications.

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### **Recommendation**

- **Buy it if:**

- You re working on a **plenum-rated installation** (e.g., HVAC, data centers, or commercial buildings).

- You need a **versatile adapter** that accommodates cable sizes from 4.3 to 10.

- Compliance with **UL or NFPA standards** is mandatory for your project.

- You re already using JMA s UPL-50 series and want consistency in your cabling infrastructure.

- You re purchasing in **bulk** to justify the cost.

- **Avoid or consider alternatives if:**

- Your project is **small-scale or non-critical**, and a cheaper generic adapter will suffice.

- You need **male-to-male or mixed-gender connections**, as this adapter is female-to-female only.

- You re on a **tight budget** and can find equally reliable but lower-cost options.

- You re unsure about **installation complexity** and lack experience with high-end connectors.

For most professional or regulated environments, the **JMA UPL-4F-78 is a strong, reliable choice**. However, always verify compatibility with your specific system and weigh the long-term benefits against upfront costs. If in doubt, consult with a cabling specialist to ensure the best fit for your needs.

Details:

JMA UPL-4F-78 4.3-10 Female Connector, 7/8 Plenum, UPL 50 Ohm.

part #: upl4f78 price

  • $24.65

specifications coaxcabl:

  • brand: Jma
  • mpn: Upl-4f-78
  • type: Connector
  • connection split/duplication: 1
  • country of origin: United States

seller coaxcabl:

  • rating: 100.0%
  • city: Kennesaw, Georgia
  • # reviews: 3182

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  • cost: $9.00

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  • condition: New
  • Radio Communication > Parts Accessories > Coax Cables Connectors

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  • availability: In Stock
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  • started: February 24, 2026
  • quantity: 1
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type: connector, connection split/duplication: 1, country of origin: united states,
category: electronics > radio communication > coax cables connectors, sku: 13503596365646793,
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1 offer $24.65 USD
  • New. Offer #1 priced at $24.65 + $9.00 shipping estimate = $33.65* total. JMA 4.3-10 Female Connector, 7/8" Plenum, UPL Connector, 50 Ohm.+$9.00 shipping

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