Shanghai Linsky Electrical Co., Ltd.
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USLINSKY Outlet Box Extender
US $0.30 - US $1.30
Production Lead Time:
30 day(s)
Shipping Method:
Sea Freight
Application:
Electrical box extension for walls/ceilings
Brand:
USLINSKY
Model No.:
EXR-1, EXR-2, EXR-3, EXR-4, EXR-5
Customised:
No
Weight:
0.02kg-0.05kg
Material:
94V-0 flame retardant plastic
Adjustment:
Up to 1-1/2" box extension
Certification:
ETL Listed
Fire Rating:
2 Hour Fire Rating
Description
Certification & Document
Contact Supplier
Description
Plastic Electrical Outlet Box Extenders
Designed for precise alignment of wiring devices when the electrical box is set back from the wall surface, our plastic extenders are ideal for walls or ceilings made of concrete, tile, gypsum, plastic, wood, or other combustible materials.
Key Features & Benefits:
- Levels and supports wiring devices for a flush finish
- Compatible with handy boxes and 4" square electrical boxes with plaster rings for single switches/receptacles
- Works with all standard devices, switches, receptacles, and GFCIs
- Manufactured from 105°C continuous use, 94V-0 rated flame retardant plastic for enhanced safety
- Adjustable up to a 1-1/2" box extension
- Plastic construction prevents stripping of wire insulation or short circuits caused by screw contact
- ETL Listed (File No. G510519, 2-HR-W-C) with 2 Hour Fire Rating
Installation Notes:
- For non-combustible surfaces: Box front edge shall not sit back more than 1/4" (6mm) from finished surface
- For combustible surfaces: Box shall be flush with finished surface or project therefrom
- Cut the flanges off the inside box extender as needed for multi-box installations
EXR-1 (Single Gang)
Product Name: Single Gang Plastic Electrical Outlet Box Extender (ETL Listed)
Product Attribute(s):
Adjustment:Up to 1-1/2" extension
Compatibility:Single gang devices, switches, receptacles, GFCIs
Size: 2.43"×4.28"×1.85" (inch), 64×45×26.5 cm (outer box)
EXR-2 (Two Gang)
Product Name: Two Gang Plastic Electrical Outlet Box Extender (ETL Listed)
Product Attribute(s):
Adjustment:Up to 1-1/2" extension
Compatibility:Two gang devices, switches, receptacles, GFCIs
Size: 4.33"×4.28"×1.85" (inch), 64×45×26.5 cm (outer box)
EXR-3 (Three Gang)
Product Name: Three Gang Plastic Electrical Outlet Box Extender (ETL Listed)
Product Attribute(s):
Adjustment: Up to 1-1/2" extension
Compatibility: Three gang devices, switches, receptacles, GFCIs
Size: 6.12"×4.28"×1.85" (inch), 84×43×37 cm (outer box)
EXR-4 (Four Gang)
Product Name: Four Gang Plastic Electrical Outlet Box Extender (ETL Listed)
Product Attribute(s):
Adjustment: Up to 1-1/2" extension
Compatibility: Four gang devices, switches, receptacles, GFCIs
Size: 7.80"×4.28"×1.85" (inch), 84×45×22 cm (outer box)
EXR-5 (Ceiling Box)
Product Name: Plastic Ceiling Box Extender (For Slant Block Ceilings, ETL Listed)
Product Attribute(s):
Adjustment: Up to 1-1/2" extension
Compatibility: Slant block ceilings, ceiling electrical boxes
Size: 4.92"×4.92"×1.50" (inch), 84×43×38 cm (outer box)
Certification & Document
Certificate Name
Issued By
Certificate Type
Valid Date
Authorization to Mark (ETL Certification for Non-Metallic Outlet Boxes Extension Rings)
Issued By
Intertek Testing Services Shanghai
Certificate Type
ETL
Valid Date
21 Nov 2019
-
(N/A)
Shanghai Linsky Electrical Co., Ltd.
Shanghai, Chinese Mainland
Exporter, Manufacturer, Trade/Industrial Organisation
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Shanghai Linsky Electrical Co., Ltd.
Shanghai, Chinese Mainland
Exporter, Manufacturer, Trade/Industrial Organisation
Certifications
Supplier info last updated: 30 Mar 2026
Advertise since: 20 Mar 2026
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