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APPLETON ELECTRIC Blank Plugs - Haz Loc: Iron, Galvanized, 4 in Trade Size, NPT - Hazardous Location Blank Plugs
APPLETON ELECTRICHazardous Location Blank Plugs

APPLETON ELECTRIC Blank Plugs - Haz Loc: Iron, Galvanized, 4 in Trade Size, NPT

SKU 3G-OTH-05787

Brand
APPLETON ELECTRIC
Item
Blank Plugs - Haz Loc: Iron, Galvanized, 4 in Trade Size, NPT
Category
Hazardous Location Blank Plugs
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Technical Specifications

APPLETON ELECTRIC
Manufacturer Part Number
PLG-400
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APPLETON ELECTRIC Products
3G Electric (S) Pte. Ltd. — Singapore

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.

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