We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

HAMMOND Hole Plug: Steel, 3 1/2 in Conduit Hole Size, For 4.12 in Hole Dia - Max - Electrical Enclosure Hole Seals
HAMMONDElectrical Enclosure Hole Seals

HAMMOND Hole Plug: Steel, 3 1/2 in Conduit Hole Size, For 4.12 in Hole Dia - Max

The HAMMOND Hole Plug: Steel is an electrical enclosure hole seal designed for conduit holes. This steel plug features a powder-coated gray finish and includes an oil-resistant gasket, with a NEMA 4 enclosure rating…

SKU 3G-OTH-07379

Also listed as: HP 350 · HP-350

Brand
HAMMOND
Item
Hole Plug: Steel, 3 1/2 in Conduit Hole Size, For 4.12 in Hole Dia - Max
Category
Electrical Enclosure Hole Seals
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

HAMMOND
Manufacturer Part Number
HP350
Type
For 4.12 in Hole Dia - Max, Steel, Gray
Material
Steel
Color
Gray
Finish
Powder Coated
Includes
Oil Resistant Gasket
For Hole Type
Conduit
Conduit Hole Size
3 1/2 in
NEMA Enclosure Rating
4

Technical Documents

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HAMMOND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HAMMOND Hole Plug: Steel is an electrical enclosure hole seal designed for conduit holes. This steel plug features a powder-coated gray finish and includes an oil-resistant gasket, with a NEMA 4 enclosure rating. It accommodates a 3.5-inch conduit hole size for a maximum hole diameter of 4.12 inches.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the HAMMOND HP350 hole plug used for?

The HAMMOND HP350 hole plug seals unused conduit openings in electrical enclosures, protecting against dust, oil, and water. It is rated NEMA 4, making it suitable for indoor or outdoor industrial applications where a weatherproof seal is required.

What are the specifications of the HAMMOND HP350 hole plug?

The HAMMOND HP350 is a steel hole plug with a powder-coated gray finish. It fits a 3.5-inch conduit hole size and accommodates a maximum hole diameter of 4.12 inches. It includes an oil-resistant gasket and carries a NEMA 4 enclosure rating.

Where to buy the HAMMOND HP350 hole plug worldwide?

3G Electric supplies the HAMMOND HP350 hole plug worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the HAMMOND HP350 hole plug?

To install the HAMMOND HP350, insert the plug into the conduit hole until the oil-resistant gasket seats firmly against the enclosure surface. Tighten the plug using a wrench until secure. Ensure the NEMA 4 seal is maintained by checking the gasket is undamaged.

Used in

Common applications for HAMMOND
Food processing — Steel washdown enclosures (e.g., HW30308GYHK) for washdown environments requiring NEMA 4/4X protection.
Chemical plants — 304 stainless steel enclosures (e.g., EN4SD202010SS) for corrosion resistance in chemical storage areas.
Water treatment — Aluminum enclosures (e.g., 1418N4ALE6) for outdoor control panels in humid or corrosive atmospheres.
Oil and gas — Sloped top stainless steel enclosures (e.g., HWST30308SS) for outdoor instrumentation in rain and dust conditions.
General industrial automation — Steel dust-tight enclosures (e.g., 1418MR8) for housing PLCs and relays in factory floors.
Outdoor telecom — Nonmetallic polyester enclosures (e.g., 1590ZGRP243) for junction boxes in corrosive coastal environments.

HAMMOND Products

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

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