4*4′′ Square Box Steel Box Extension Ring

• Customization: Available
• Type: Electrical Jucntion Box
• Material: Steel
• Certification: UL
• Products Name: Square Box Steel Box Extension Ring
• Size: 4"X4"; 5"X5"
• Deep: 1-1/2" ; 1-7/8"; 2-1/8"
• Thickness: 0.8-1.6mm
• Transport Package: Carton Packing
• Specification: 2x4 inch; 4x4 inch; 5x5 inch
• Trademark: RIFI
• Origin: China
• Production Capacity: 50000

Product Description

 4*4'' Square Box Steel Box Extension Ring

Description:

•Depth: 1-1/2'',2-1/8''
•For surface-mounted wiring
•Made of Pre-Galvanized steel
•Thickness:0.6mm, 0.8mm,1.0mm,1.2mm,1.5mm,1.6mm
•Rectangle box Ring and Octagonal box Ring are also available

Product	Square/Octagon/handy/ Box Extension Ring
Material	Steel Galvanized
Size	4"*4" 4''*2''
Type	Square/Rectangular/Octagon
Standard	UL
Depth	1-1/2'',1-7/8'',2-1/8''
Thickness	0.8-1.6mm

Specification :
Square Steel Box Extension Ring

CAT#	KO. SIZE	Depth	Hole Size	Knockouts		THICKNESS
				Sides	Bottom
SBE50112	4''*4''	1-1/2''	1/2''	12*1/2''	/	0.8/1.0/1.2/1.5/1.6mm
SBE75112	4''*4''	1-1/2''	3/4''	8*3/4''	/	0.8/1.0/1.2/1.5/1.6mm
SBEM112	4''*4''	1-1/2''	1/2''&3/4''	8*1/2'' 4*&3/4''	/	0.8/1.0/1.2/1.5/1.6mm
SBE50218	4''*4''	2-1/8''	1/2''	8*1/2''	/	0.8/1.0/1.2/1.5/1.6mm
SBEM218	4''*4''	2-1/8''	1/2''&3/4''	8*1/2'' 4*&3/4''	/	0.8/1.0/1.2/1.5/1.6mm
SBEC218	4''*4''	2-1/8''	1/2''&3/4''	8*COM	/	0.8/1.0/1.2/1.5/1.6mm

Why choose us?
UL standard electrical Conduit junction box Galvanized steel Handy Utility box with 1/2" and 3/4" Knockout
1. We are China professional supply of Electrical Pipe,Strut Channel and Fittings.
2. 100% QC inspection before Shipment.
3. Best Quality & Best Service with Competitive price.