
2020-R - 1 7/8" DEEP UTILITY BOX EXTENSION W/KNOCKOUTS
SKU: ED-UEX-2020-R

A utility box extension ring serves several important purposes in electrical installations: it increases box capacity, aids in surface alignment, and facilitates code compliance.
Key Features:
- Material: Steel
- Dimensions: H 4 in, W 2-3/8 in, D 1-7/8 in
- Volume: 16.5 cu in
- Knockouts: 8 knockouts for tube 1/2"
- Installation: Specifically designed for installation on other box for extension
- No Clamp
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Ordering Info
Series: Device/Utility Boxes Extensions Device/Utility Boxes Extensions
Size: 4” x 2 1/8” 4” x 2 1/8”
Gangable: No No
Warranty: 1 Year(s) 1 Year(s)
Certifications: cETL cETL
Ordering Code: ED-UEX-2020-R ED-UEX-2020-R
Performance Data
Voltage Classification: Regular (120V) Regular (120V)
Physical Data
Body material: Galvanized Steel Galvanized Steel
Weight: 4.7 oz 133 g
Width: 2 1/8 in 5.40 cm
Height: 4 in 10.16 cm
Metal Thickness: 0.047 in 1.2 mm
Clamp type: Conduit Knockout Conduit Knockout
Raised ground screw: No No
Knockout sizes: 1/2 in 1.27 cm
Number of gangs: 1 Gang(s) 1 Gang(s)
Number of knockouts/Inlets: 8 8
Volume: 14 cu. in. 229 ml
Weight: 0.294 lb(s) 0.133 kg(s)