NPT Thread Nylon Cable Glands – IP68 Waterproof Cable Connectors

Reliable Cable Sealing, Secure Strain Relief & NPT Thread Compatibility

NPT nylon cable glands provide watertight cable entry and cable strain relief for electrical enclosures, machinery and industrial equipment with compatible NPT threaded connections.

Made with PA66 nylon bodies and NBR sealing components, they are available in multiple inch-based NPT sizes for industrial installations across North and Latin American markets.

NPT Thread Compatibility

Available in 3/8″, 1/2″, 3/4″, 1″ and 1-1/4″ NPT sizes, these cable glands are designed for equipment using compatible NPT threaded cable entries. NPT, metric and PG threads are different systems and should not be interchanged without a suitable adapter.

IP68 Sealing & Cable Strain Relief

The compression sealing mechanism helps prevent water and dust from entering electrical enclosures while gripping the cable jacket to limit movement at the cable entry. Proper cable diameter, installation and sealing conditions are essential for achieving the specified IP protection.

Standard & Reduced Clamping Ranges

Standard and reduced-range (T) versions are available for different cable diameters. The reduced-range version accommodates smaller cables while retaining the same nominal NPT thread size, helping installers select a suitable seal without changing the enclosure connection.

Typical Applications

• Electrical Control Panels: Sealed cable entries for industrial cabinets and junction boxes.
• Industrial Machinery: Cable gripping and strain relief at machine housings.
• Automation Equipment: Secure entry for control, sensor and signal cables.
• Outdoor Electrical Enclosures: Protection for installations using appropriately rated materials.
• Equipment Maintenance: Replacement cable glands for existing NPT threaded interfaces.

Select the Right NPT Cable Gland

For correct product selection, confirm the NPT thread size, cable outside diameter, mounting method and required environmental protection.

Custom colors and packaging are available according to order requirements.

Request a Quote: Send your NPT thread size, cable diameter, application and required quantity for product selection and quotation.

Frequently Asked Questions

1. What is an NPT cable gland?

An NPT cable gland is a cable entry fitting with an NPT mounting thread, designed to seal and secure cables entering electrical enclosures and industrial equipment.

2. What is the difference between NPT and metric cable glands?

NPT threads use inch-based pipe thread dimensions, while metric cable glands use metric thread sizes and pitches. They are not directly interchangeable.

3. What is the difference between 1/2″ NPT and 1/2″ NPT T?

Both have the same nominal NPT thread size. The standard version fits 7–12 mm cables, while the T version fits 5–9 mm cables.

4. Are NPT nylon cable glands suitable for outdoor applications?

They can be used outdoors when the selected material, installation and environmental ratings meet the application requirements. UV resistance and sealing performance should be confirmed.

5. Are NPT cable glands suitable for NEMA 4X enclosures?

Only where the specific cable gland and installed assembly meet the applicable enclosure requirements. An IP68 rating alone does not establish NEMA 4X compliance.