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

3G Electric
RFQ CartGet a QuoteSign inSign up
APPLETON ELECTRIC Hazardous Location Blank Plug, 4 in, Galvanized Iron, NPT - Hazardous Location Blank Plugs
APPLETON ELECTRICHazardous Location Blank Plugs

APPLETON ELECTRIC Hazardous Location Blank Plug, 4 in, Galvanized Iron, NPT

APPLETON ELECTRIC Hazardous Location Blank Plugs.

SKU 3G-OTH-05787

Also listed as: PLG400 · PLG 400

Brand
APPLETON ELECTRIC
Item
Hazardous Location Blank Plug, 4 in, Galvanized Iron, NPT
Category
Hazardous Location Blank Plugs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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

APPLETON ELECTRIC
Manufacturer Part Number
PLG-400

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

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

Product Description

APPLETON ELECTRIC Hazardous Location Blank Plugs.

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 Appleton Electric PLG-400 blank plug used for?

The Appleton Electric PLG-400 blank plug seals unused openings in hazardous-location enclosures, preventing gas, dust, or moisture ingress. It is commonly used in oil refineries, chemical plants, and other industrial environments requiring explosion-proof fittings.

What are the specifications of the Appleton Electric PLG-400 blank plug?

The PLG-400 is a hazardous-location blank plug from Appleton Electric. It has a 4-inch trade size, NPT threading, male-to-male connection, and is made of galvanized iron. The manufacturer part number is PLG-400.

Where to buy the Appleton Electric PLG-400 blank plug worldwide?

3G Electric supplies the Appleton Electric PLG-400 blank plug worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the Appleton Electric PLG-400 blank plug?

Apply thread sealant to the NPT threads of the PLG-400, then hand-tighten into the unused hub or opening. Use a wrench for final snugging—avoid overtightening to prevent cracking. Ensure the area is de-energized and classified per NEC/CEC before installation.

Used in

Common applications for APPLETON ELECTRIC
Oil and gas refineries — Appleton Electric EDSC21MC2 manual motor switch for controlling pumps in Class I, Division 1 areas
Chemical processing plants — Appleton Electric AEAB13420C hazardous location circuit breaker for motor protection in volatile environments
Pharmaceutical manufacturing — Appleton Electric FSK-1VDR weatherproof cover for duplex receptacles in washdown zones
Wastewater treatment facilities — Appleton Electric UNY250R-A aluminum conduit union for corrosion-resistant connections
Mining operations — Appleton Electric EDSC277-SA tandem 2-gang box for junction points in hazardous dust locations
Food and beverage processing — Appleton Electric JBK-75 iron cover for conduit access fittings in wet or dusty areas

APPLETON ELECTRIC Products

3G Electric supplies APPLETON ELECTRIC hazardous location blank plugs. 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 →

Compatible alternatives & equivalents

Cross-referenced by specification & description
Galvanized iron blank plug with 2-1/2 inch NPT male-to-male threads. Used to seal unused openings in hazardous location enclosures, preventing entry of dust, moisture, and flammable gases. Suitable for industrial environments requiring explosion-proof protection
APPLETON ELECTRIC
Galvanized iron blank plug with 2-1/2 inch NPT male-to-male threads. Used to seal unused openings in hazardous location enclosures, preventing entry of dust, moisture, and flammable gases. Suitable for industrial environments requiring explosion-proof protection
This blank plug is used to seal unused openings in explosion-proof enclosures, junction boxes, and conduit systems in hazardous locations. It features 1-1/2 inch NPT male-to-male threads and is constructed of galvanized iron for corrosion resistance. The plug prevents ingress of dust, moisture, and gases, maintaining the integrity of electrical installations in classified environments
APPLETON ELECTRIC
This blank plug is used to seal unused openings in explosion-proof enclosures, junction boxes, and conduit systems in hazardous locations. It features 1-1/2 inch NPT male-to-male threads and is constructed of galvanized iron for corrosion resistance. The plug prevents ingress of dust, moisture, and gases, maintaining the integrity of electrical installations in classified environments
Aluminum blank plug with plain finish, 4-inch trade size, NPT threads, and male-to-male configuration. Used to seal unused openings in explosionproof enclosures, junction boxes, and conduit systems in hazardous locations, preventing entry of dust, moisture, and gases
APPLETON ELECTRIC
Aluminum blank plug with plain finish, 4-inch trade size, NPT threads, and male-to-male configuration. Used to seal unused openings in explosionproof enclosures, junction boxes, and conduit systems in hazardous locations, preventing entry of dust, moisture, and gases
Steel blank plug with electroplated finish for sealing unused openings in hazardous location enclosures and conduit systems. Features 1/2 in NPT male-to-male threading. Prevents ingress of gas, dust, or moisture in classified areas
APPLETON ELECTRIC
Steel blank plug with electroplated finish for sealing unused openings in hazardous location enclosures and conduit systems. Features 1/2 in NPT male-to-male threading. Prevents ingress of gas, dust, or moisture in classified areas
Aluminum blank plug with plain finish for sealing unused openings in explosion-proof enclosures, junction boxes, or conduit systems. Features 2-inch trade size, NPT thread, and male-to-male connection. Prevents entry of dust, moisture, and gases in classified environments
APPLETON ELECTRIC
Aluminum blank plug with plain finish for sealing unused openings in explosion-proof enclosures, junction boxes, or conduit systems. Features 2-inch trade size, NPT thread, and male-to-male connection. Prevents entry of dust, moisture, and gases in classified environments
Aluminum blank plug with plain finish, 3-inch NPT male-to-male threads. Used to seal unused openings in enclosures in hazardous locations, preventing ingress of dust, moisture, and gases
APPLETON ELECTRIC
Aluminum blank plug with plain finish, 3-inch NPT male-to-male threads. Used to seal unused openings in enclosures in hazardous locations, preventing ingress of dust, moisture, and gases

More from APPLETON ELECTRIC

View all APPLETON ELECTRIC parts →
Steel electroplated blank plug for sealing unused openings in hazardous location enclosures, junction boxes, or conduit systems. Features NPT male-to-male threads and 3/4 in trade size. Prevents ingress of dust, moisture, and gases in classified environments
APPLETON ELECTRIC
Steel electroplated blank plug for sealing unused openings in hazardous location enclosures, junction boxes, or conduit systems. Features NPT male-to-male threads and 3/4 in trade size. Prevents ingress of dust, moisture, and gases in classified environments
This blank plug seals unused openings in explosionproof enclosures, junction boxes, and conduit systems in hazardous locations. Constructed of aluminum with a plain finish, it features 1-1/2 inch NPT male-to-male threads. Suitable for use in environments where flammable gases, vapors, or combustible dusts may be present
APPLETON ELECTRIC
This blank plug seals unused openings in explosionproof enclosures, junction boxes, and conduit systems in hazardous locations. Constructed of aluminum with a plain finish, it features 1-1/2 inch NPT male-to-male threads. Suitable for use in environments where flammable gases, vapors, or combustible dusts may be present
This blank plug seals unused openings in explosionproof enclosures for hazardous locations. Constructed of electroplated iron with NPT male-to-male threads, it is suitable for Class I, Division 1 and 2 areas. Use to prevent gas or dust ingress in environments with flammable atmospheres
APPLETON ELECTRIC
This blank plug seals unused openings in explosionproof enclosures for hazardous locations. Constructed of electroplated iron with NPT male-to-male threads, it is suitable for Class I, Division 1 and 2 areas. Use to prevent gas or dust ingress in environments with flammable atmospheres
This blank plug is used to seal unused openings in enclosures, junction boxes, or conduit systems in hazardous locations. It features a 2-inch NPT male-to-male connection and is constructed of electroplated iron to resist corrosion. Suitable for explosive or corrosive environments, it prevents ingress of dust, moisture, and gases
APPLETON ELECTRIC
This blank plug is used to seal unused openings in enclosures, junction boxes, or conduit systems in hazardous locations. It features a 2-inch NPT male-to-male connection and is constructed of electroplated iron to resist corrosion. Suitable for explosive or corrosive environments, it prevents ingress of dust, moisture, and gases
Galvanized iron blank plug with 1 1/4 in trade size and NPT male-to-male threading. Used to seal unused openings in explosionproof enclosures, junction boxes, and conduit systems in hazardous locations
APPLETON ELECTRIC
Galvanized iron blank plug with 1 1/4 in trade size and NPT male-to-male threading. Used to seal unused openings in explosionproof enclosures, junction boxes, and conduit systems in hazardous locations
Aluminum blank plug with plain finish for sealing unused conduit openings in hazardous locations. Features 2-1/2 inch trade size NPT male-to-male threads. Used in classified areas to prevent gas, dust, or moisture ingress
APPLETON ELECTRIC
Aluminum blank plug with plain finish for sealing unused conduit openings in hazardous locations. Features 2-1/2 inch trade size NPT male-to-male threads. Used in classified areas to prevent gas, dust, or moisture ingress
This blank plug is used to seal unused openings in explosion-proof enclosures, junction boxes, and conduit systems in hazardous locations. It prevents ingress of dust, moisture, and gases. Made of aluminum with a plain finish, it features 1/2-inch male NPT threads on both ends
APPLETON ELECTRIC
This blank plug is used to seal unused openings in explosion-proof enclosures, junction boxes, and conduit systems in hazardous locations. It prevents ingress of dust, moisture, and gases. Made of aluminum with a plain finish, it features 1/2-inch male NPT threads on both ends
Steel blank plug with electroplated finish, 1-inch trade size, NPT male-to-male threading. Used to seal unused openings in explosionproof enclosures, junction boxes, and conduit systems in hazardous locations, preventing ingress of dust, moisture, and gases
APPLETON ELECTRIC
Steel blank plug with electroplated finish, 1-inch trade size, NPT male-to-male threading. Used to seal unused openings in explosionproof enclosures, junction boxes, and conduit systems in hazardous locations, preventing ingress of dust, moisture, and gases