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
APPLETON ELECTRIC Cast Box Extension: Tandem Box Extension, Iron, Gray - Accessories for Weatherproof Box Covers
APPLETON ELECTRICAccessories for Weatherproof Box Covers

APPLETON ELECTRIC Cast Box Extension: Tandem Box Extension, Iron, Gray

The APPLETON ELECTRIC Cast Box Extension is a tandem box extension accessory for weatherproof box covers. This iron accessory is gray and designed for product type 1. It is manufactured under part number FS-1EXT.

SKU 3G-OTH-07924

Brand
APPLETON ELECTRIC
Item
Cast Box Extension: Tandem Box Extension, Iron, Gray
Category
Accessories for Weatherproof Box Covers
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

APPLETON ELECTRIC
Manufacturer Part Number
FS-1EXT
Material
Iron
Color
Gray
Accessory Type
Tandem Box Extension
For Product Type
1
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

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

Product Description

The APPLETON ELECTRIC Cast Box Extension is a tandem box extension accessory for weatherproof box covers. This iron accessory is gray and designed for product type 1. It is manufactured under part number FS-1EXT.

Frequently Asked Questions

What is the APPLETON ELECTRIC Cast Box Extension used for?

The APPLETON ELECTRIC Cast Box Extension is a tandem box extension accessory for weatherproof box covers. It provides additional wiring space in industrial electrical enclosures, commonly used in manufacturing, processing, and outdoor installations where conduit connections require extra depth.

What are the specifications of the APPLETON ELECTRIC FS-1EXT?

The APPLETON ELECTRIC FS-1EXT is a gray, iron tandem box extension for product type 1. It is designed as an accessory for weatherproof box covers, offering durable cast construction for industrial environments. The manufacturer part number is FS-1EXT.

Where to buy the APPLETON ELECTRIC FS-1EXT worldwide?

3G Electric supplies the APPLETON ELECTRIC FS-1EXT cast box extension to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this accessory.

How to install the APPLETON ELECTRIC tandem box extension?

Install the APPLETON ELECTRIC tandem box extension by mounting it between the weatherproof box cover and the enclosure. Use appropriate gaskets and hardware for a weathertight seal. Follow standard electrical codes for conduit connections and ensure the assembly is properly grounded.

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 accessories for weatherproof box covers. 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
APPLETON ELECTRIC Weatherproof Cover: Steel, FD/FS, Boxes, 1 Gangs, 4 9/16 in Overall Ht, Gray (MPN FSK-1B). Key specifications — Brand: APPLETON ELECTRIC; Color: Gray; Compatible with Product Type: Boxes; Compatible with Series: FS; Mounting Orientation: Horizontal or Vertical.
APPLETON ELECTRIC
APPLETON ELECTRIC Weatherproof Cover: Steel, FD/FS, Boxes, 1 Gangs, 4 9/16 in Overall Ht, Gray (MPN FSK-1B). Key specifications — Brand: APPLETON ELECTRIC; Color: Gray; Compatible with Product Type: Boxes; Compatible with Series: FS; Mounting Orientation: Horizontal or Vertical.
APPLETON ELECTRIC Weatherproof Cover: Malleable Iron, FD/FS, Duplex Receptacles, 1 Gangs, Gray (MPN FSK-1DR-C). Key specifications — Brand: APPLETON ELECTRIC; Color: Gray; Compatible with Product Type: Duplex Receptacles; Compatible with Series: FS; Mounting Orientation: Horizontal or Vertical.
APPLETON ELECTRIC
APPLETON ELECTRIC Weatherproof Cover: Malleable Iron, FD/FS, Duplex Receptacles, 1 Gangs, Gray (MPN FSK-1DR-C). Key specifications — Brand: APPLETON ELECTRIC; Color: Gray; Compatible with Product Type: Duplex Receptacles; Compatible with Series: FS; Mounting Orientation: Horizontal or Vertical.
APPLETON ELECTRIC Weatherproof Cover: Steel, FD/FS, Boxes, 2 Gangs, 4 5/8 in Overall Ht, Gray (MPN FSK-2B-CM). Key specifications — Brand: APPLETON ELECTRIC; Color: Gray; Compatible with Product Type: Boxes; Compatible with Series: FS; Mounting Orientation: Horizontal or Vertical.
APPLETON ELECTRIC
APPLETON ELECTRIC Weatherproof Cover: Steel, FD/FS, Boxes, 2 Gangs, 4 5/8 in Overall Ht, Gray (MPN FSK-2B-CM). Key specifications — Brand: APPLETON ELECTRIC; Color: Gray; Compatible with Product Type: Boxes; Compatible with Series: FS; Mounting Orientation: Horizontal or Vertical.
APPLETON ELECTRIC Weatherproof Cover: Malleable Iron, FD/FS, Pilot Lamps, 1 Gangs, No Enclosure (MPN FSK-1JAC). Key specifications — Brand: APPLETON ELECTRIC; Color: Gray; Compatible with Product Type: Pilot Lamps; Compatible with Series: FD; Mounting Orientation: Horizontal or Vertical.
APPLETON ELECTRIC
APPLETON ELECTRIC Weatherproof Cover: Malleable Iron, FD/FS, Pilot Lamps, 1 Gangs, No Enclosure (MPN FSK-1JAC). Key specifications — Brand: APPLETON ELECTRIC; Color: Gray; Compatible with Product Type: Pilot Lamps; Compatible with Series: FD; Mounting Orientation: Horizontal or Vertical.
APPLETON ELECTRIC Weatherproof Cover: Steel, FD/FS, Boxes, 2 Gangs, 4 5/8 in Overall Ht, Gray (MPN FSK-2B). Key specifications — Brand: APPLETON ELECTRIC; Color: Gray; Compatible with Product Type: Boxes; Compatible with Series: FD; Mounting Orientation: Horizontal or Vertical.
APPLETON ELECTRIC
APPLETON ELECTRIC Weatherproof Cover: Steel, FD/FS, Boxes, 2 Gangs, 4 5/8 in Overall Ht, Gray (MPN FSK-2B). Key specifications — Brand: APPLETON ELECTRIC; Color: Gray; Compatible with Product Type: Boxes; Compatible with Series: FD; Mounting Orientation: Horizontal or Vertical.
APPLETON ELECTRIC Weatherproof Cover: Malleable Iron, FD/FS, Receptacle Covers/Spring Covers, Gray (MPN FSK-1VR). Key specifications — Brand: APPLETON ELECTRIC; Color: Gray; Compatible with Product Type: Spring Covers; Compatible with Series: FD; Mounting Orientation: Vertical.
APPLETON ELECTRIC
APPLETON ELECTRIC Weatherproof Cover: Malleable Iron, FD/FS, Receptacle Covers/Spring Covers, Gray (MPN FSK-1VR). Key specifications — Brand: APPLETON ELECTRIC; Color: Gray; Compatible with Product Type: Spring Covers; Compatible with Series: FD; Mounting Orientation: Vertical.

More from APPLETON ELECTRIC

View all APPLETON ELECTRIC parts →
APPLETON ELECTRIC
APPLETON ELECTRIC
APPLETON ELECTRIC Spring Cover Replacement Kit: Cover and Ring Kit, Copper-Free Aluminum, Gray (MPN ULSCA). Key specifications — For Product Type: Receptacle; Accessory Type: Cover and Ring Kit; Color: Gray; Material: Copper-Free Aluminum; Brand: APPLETON ELECTRIC.
APPLETON ELECTRIC Adapter and Gasket: Adapter/Gasket, EPDM, Gray, 1 (MPN FSK-SBA). Key specifications — For Product Type: 1; Accessory Type: Adapter/Gasket; Color: Gray; Material: EPDM; Brand: APPLETON ELECTRIC.
APPLETON ELECTRIC
APPLETON ELECTRIC Adapter and Gasket: Adapter/Gasket, EPDM, Gray, 1 (MPN FSK-SBA). Key specifications — For Product Type: 1; Accessory Type: Adapter/Gasket; Color: Gray; Material: EPDM; Brand: APPLETON ELECTRIC.
APPLETON ELECTRIC Cast Box Extension: Tandem Box Extension, Iron, Gray, 2 (MPN FS-2EXT). Key specifications — For Product Type: 2; Accessory Type: Tandem Box Extension; Color: Gray; Material: Iron; Brand: APPLETON ELECTRIC.
APPLETON ELECTRIC
APPLETON ELECTRIC Cast Box Extension: Tandem Box Extension, Iron, Gray, 2 (MPN FS-2EXT). Key specifications — For Product Type: 2; Accessory Type: Tandem Box Extension; Color: Gray; Material: Iron; Brand: APPLETON ELECTRIC.
APPLETON ELECTRIC
APPLETON ELECTRIC
APPLETON ELECTRIC Spring Cover Replacement Kit: Cover and Ring Assembly, Copper-Free Aluminum, Black (MPN CPSCA). Key specifications — For Product Type: Receptacle; Accessory Type: Cover and Ring Assembly; Color: Black; Material: Copper-Free Aluminum; Brand: APPLETON ELECTRIC.