Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
HUBBELL-WIEGMANN Hole Plug: Nonmetallic, For 0.75 in Hole Dia - Max, Fiberglass, 4X, Matte - Oiltight Hole Seals
HUBBELL-WIEGMANNOiltight Hole Seals

HUBBELL-WIEGMANN Hole Plug: Nonmetallic, For 0.75 in Hole Dia - Max, Fiberglass, 4X, Matte

The HUBBELL-WIEGMANN HW-FGHP is a nonmetallic oiltight hole seal designed for conduit holes up to 0.75 inches in diameter. Constructed from fiberglass with a matte gray finish, it includes a lock nut and carries a…

SKU 3G-OTH-07112

Brand
HUBBELL-WIEGMANN
Item
Hole Plug: Nonmetallic, For 0.75 in Hole Dia - Max, Fiberglass, 4X, Matte
Category
Oiltight Hole Seals
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

HUBBELL-WIEGMANN
Manufacturer Part Number
HW-FGHP
Type
For 0.75 in Hole Dia - Max, Fiberglass, 4X, Matte, Gray
Material
Fiberglass
Color
Gray
Finish
Matte
Includes
Lock Nut
For Hole Type
Conduit
NEMA Enclosure Rating
4X
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

HUBBELL-WIEGMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HUBBELL-WIEGMANN HW-FGHP is a nonmetallic oiltight hole seal designed for conduit holes up to 0.75 inches in diameter. Constructed from fiberglass with a matte gray finish, it includes a lock nut and carries a NEMA 4X enclosure rating.

Frequently Asked Questions

What is the HUBBELL-WIEGMANN HW-FGHP hole plug used for?

The HUBBELL-WIEGMANN HW-FGHP is a nonmetallic oiltight hole seal used to close unused conduit openings in electrical enclosures. It is suitable for industrial environments requiring a NEMA 4X rating, protecting against corrosion, moisture, and dust. The fiberglass construction and matte gray finish make it ideal for harsh or washdown applications.

What are the specifications of the HUBBELL-WIEGMANN HW-FGHP hole plug?

The HW-FGHP is a nonmetallic hole plug for conduit holes up to 0.75 inches in diameter. It is made of fiberglass with a matte gray finish and includes a lock nut. The NEMA 4X enclosure rating provides corrosion resistance. The manufacturer part number is HW-FGHP, and the brand is HUBBELL-WIEGMANN.

Where to buy the HUBBELL-WIEGMANN HW-FGHP hole plug worldwide?

3G Electric supplies the HUBBELL-WIEGMANN HW-FGHP hole plug worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this NEMA 4X fiberglass hole plug to any country.

How to install the HUBBELL-WIEGMANN HW-FGHP hole plug?

To install the HW-FGHP, insert the plug into a 0.75-inch conduit hole from outside the enclosure. Secure it from inside using the included lock nut, tightening until the seal is snug. Ensure the mating surface is clean for a proper oiltight seal. Follow standard electrical safety practices and torque recommendations for nonmetallic fittings.

Used in

Common applications for HUBBELL-WIEGMANN
Industrial control panels — Hubbell-Wiegmann back panels (e.g., HW-WM4836A) for mounting relays and terminal blocks.
Outdoor electrical distribution — NEMA 4X enclosures with Hubbell-Wiegmann fiberglass hole plugs for weatherproof sealing.
Automation equipment cabinets — Swing-out panel kits (e.g., HW-P1412SPK) for easy access to PLC and drive components.
Maintenance and repair — Replacement covers (e.g., SC0810) for restoring NEMA 1 screw cover enclosures in manufacturing plants.
Corrosive environments — Polycarbonate enclosures and nonmetallic hole plugs for chemical processing or wastewater facilities.
Electrical panel upgrades — Aluminum back panels (e.g., HW-WM2016A) for lightweight mounting in retrofit projects.

HUBBELL-WIEGMANN Products

3G Electric supplies HUBBELL-WIEGMANN oiltight hole seals. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
WIEGMANN Hole Seal: Steel, 3/4 in Conduit Hole Size, For 0.75 in Hole Dia - Max, Carbon Steel, Gray (MPN WAS075). Key specifications — Color: Gray; Brand: WIEGMANN; Finish: Painted; For Hole Type: Conduit; Includes: Quick Wing Nut; Material: Carbon Steel; NEMA Enclosure Rating: 13.
WIEGMANN
WIEGMANN Hole Seal: Steel, 3/4 in Conduit Hole Size, For 0.75 in Hole Dia - Max, Carbon Steel, Gray (MPN WAS075). Key specifications — Color: Gray; Brand: WIEGMANN; Finish: Painted; For Hole Type: Conduit; Includes: Quick Wing Nut; Material: Carbon Steel; NEMA Enclosure Rating: 13.
WIEGMANN Hole Plug: Steel, 30.5 mm Conduit Hole Size, For 1.2 in Hole Dia - Max, Carbon Steel, Gray (MPN WASPB). Key specifications — Color: Gray; Brand: WIEGMANN; Finish: Powder Coated; For Hole Type: Push Buttons; Includes: Oil Resistant Gasket; Material: Carbon Steel; NEMA Enclosure Rating: 4X.
WIEGMANN
WIEGMANN Hole Plug: Steel, 30.5 mm Conduit Hole Size, For 1.2 in Hole Dia - Max, Carbon Steel, Gray (MPN WASPB). Key specifications — Color: Gray; Brand: WIEGMANN; Finish: Powder Coated; For Hole Type: Push Buttons; Includes: Oil Resistant Gasket; Material: Carbon Steel; NEMA Enclosure Rating: 4X.
WIEGMANN Hole Plug: Steel, 22.5 mm Conduit Hole Size, For 0.88 in Hole Dia - Max, Carbon Steel, Gray (MPN WASPBG). Key specifications — Color: Gray; Brand: WIEGMANN; Finish: Painted; For Hole Type: Push Buttons; Includes: Oil Resistant Gasket; Material: Carbon Steel; NEMA Enclosure Rating: 12.
WIEGMANN
WIEGMANN Hole Plug: Steel, 22.5 mm Conduit Hole Size, For 0.88 in Hole Dia - Max, Carbon Steel, Gray (MPN WASPBG). Key specifications — Color: Gray; Brand: WIEGMANN; Finish: Painted; For Hole Type: Push Buttons; Includes: Oil Resistant Gasket; Material: Carbon Steel; NEMA Enclosure Rating: 12.
WIEGMANN Hole Seal: Steel, 1 1/2 in Conduit Hole Size, For 1.5 in Hole Dia - Max, Carbon Steel, Gray (MPN WAS150). Key specifications — Color: Gray; Brand: WIEGMANN; Finish: Painted; For Hole Type: Conduit; Includes: Quick Wing Nut; Material: Carbon Steel; NEMA Enclosure Rating: 13.
WIEGMANN
WIEGMANN Hole Seal: Steel, 1 1/2 in Conduit Hole Size, For 1.5 in Hole Dia - Max, Carbon Steel, Gray (MPN WAS150). Key specifications — Color: Gray; Brand: WIEGMANN; Finish: Painted; For Hole Type: Conduit; Includes: Quick Wing Nut; Material: Carbon Steel; NEMA Enclosure Rating: 13.
WIEGMANN Hole Seal: Steel, 1/2 in Conduit Hole Size, For 0.5 in Hole Dia - Max, Carbon Steel, Gray (MPN WAS050). Key specifications — Color: Gray; Brand: WIEGMANN; Finish: Painted; For Hole Type: Knockouts; Includes: Oil Resistant Gasket; Material: Carbon Steel; NEMA Enclosure Rating: 4.
WIEGMANN
WIEGMANN Hole Seal: Steel, 1/2 in Conduit Hole Size, For 0.5 in Hole Dia - Max, Carbon Steel, Gray (MPN WAS050). Key specifications — Color: Gray; Brand: WIEGMANN; Finish: Painted; For Hole Type: Knockouts; Includes: Oil Resistant Gasket; Material: Carbon Steel; NEMA Enclosure Rating: 4.
WIEGMANN Hole Plug: Steel, 2 1/2 in Conduit Hole Size, For 2.5 in Hole Dia - Max, Carbon Steel, Gray (MPN WAS250). Key specifications — Color: Gray; Brand: WIEGMANN; Finish: Painted; For Hole Type: Push Buttons; Includes: Quick Wing Nut; Material: Carbon Steel; NEMA Enclosure Rating: 1.
WIEGMANN
WIEGMANN Hole Plug: Steel, 2 1/2 in Conduit Hole Size, For 2.5 in Hole Dia - Max, Carbon Steel, Gray (MPN WAS250). Key specifications — Color: Gray; Brand: WIEGMANN; Finish: Painted; For Hole Type: Push Buttons; Includes: Quick Wing Nut; Material: Carbon Steel; NEMA Enclosure Rating: 1.

More from HUBBELL-WIEGMANN

View all HUBBELL-WIEGMANN parts →
HUBBELL-WIEGMANN Hole Plug: Nonmetallic, For 1.25 in Hole Dia - Max, Fiberglass, 4X, Matte, Gray (MPN HW-FGHP-100-125). Key specifications — Color: Gray; Brand: HUBBELL-WIEGMANN; Finish: Matte; For Hole Type: Conduit; Includes: Lock Nut; Material: Fiberglass; NEMA Enclosure Rating: 4X.
HUBBELL-WIEGMANN
HUBBELL-WIEGMANN Hole Plug: Nonmetallic, For 1.25 in Hole Dia - Max, Fiberglass, 4X, Matte, Gray (MPN HW-FGHP-100-125). Key specifications — Color: Gray; Brand: HUBBELL-WIEGMANN; Finish: Matte; For Hole Type: Conduit; Includes: Lock Nut; Material: Fiberglass; NEMA Enclosure Rating: 4X.
HUBBELL-WIEGMANN Hole Plug: Nonmetallic, For 0.5 in Hole Dia - Max, Fiberglass, 4X, Matte, Gray (MPN HW-FGHP-PB-000). Key specifications — Color: Gray; Brand: HUBBELL-WIEGMANN; Finish: Matte; For Hole Type: Conduit; Includes: Gasket; Material: Fiberglass; NEMA Enclosure Rating: 4X.
HUBBELL-WIEGMANN
HUBBELL-WIEGMANN Hole Plug: Nonmetallic, For 0.5 in Hole Dia - Max, Fiberglass, 4X, Matte, Gray (MPN HW-FGHP-PB-000). Key specifications — Color: Gray; Brand: HUBBELL-WIEGMANN; Finish: Matte; For Hole Type: Conduit; Includes: Gasket; Material: Fiberglass; NEMA Enclosure Rating: 4X.
HUBBELL-WIEGMANN Hole Plug: Nonmetallic, For 1 in Hole Dia - Max, Fiberglass, 4X, Matte, Gray (MPN HW-FGHP-PB-075). Key specifications — Color: Gray; Brand: HUBBELL-WIEGMANN; Finish: Matte; For Hole Type: Push Buttons; Includes: Lock Nut; Material: Fiberglass; NEMA Enclosure Rating: 4X.
HUBBELL-WIEGMANN
HUBBELL-WIEGMANN Hole Plug: Nonmetallic, For 1 in Hole Dia - Max, Fiberglass, 4X, Matte, Gray (MPN HW-FGHP-PB-075). Key specifications — Color: Gray; Brand: HUBBELL-WIEGMANN; Finish: Matte; For Hole Type: Push Buttons; Includes: Lock Nut; Material: Fiberglass; NEMA Enclosure Rating: 4X.
HUBBELL-WIEGMANN Hole Plug: Nonmetallic, For 2 in Hole Dia - Max, Fiberglass, 4X, Matte, Gray (MPN HW-FGHP-150-200). Key specifications — Color: Gray; Brand: HUBBELL-WIEGMANN; Finish: Matte; For Hole Type: Conduit; Includes: Gasket; Material: Fiberglass; NEMA Enclosure Rating: 4X.
HUBBELL-WIEGMANN
HUBBELL-WIEGMANN Hole Plug: Nonmetallic, For 2 in Hole Dia - Max, Fiberglass, 4X, Matte, Gray (MPN HW-FGHP-150-200). Key specifications — Color: Gray; Brand: HUBBELL-WIEGMANN; Finish: Matte; For Hole Type: Conduit; Includes: Gasket; Material: Fiberglass; NEMA Enclosure Rating: 4X.