Selection Guide

36 STEEL CITY® METALLIC BOXES & COVERS
—
Square boxes and accessories
Fire alarm boxes and fittings
—
Fire alarm boxes
52171-1234RD
TC122A-FA TK121A-FA TC121A-FA
72171-1234RD
52151-1234RD
Easy to identify and install!
Steel City® fire alarm boxes and fittings can meet
all of your visual identification requirements for
fire alarm systems – and make installation and
upgrades faster and easier than ever before!
Available in a variety of sizes to accommodate
new or old work configurations, these boxes are
simple to install with high-quality Steel City®
fittings. Plus, the bright red finish eliminates time-
consuming painting of existing fixtures and
provides long-lasting identification in even
the harshest environments.
52-C-1RD
52171-CV-1234RD
52171-EXTOWRD
53171-1234RD
Cat. No. Description Ears Brackets
Each side
Conduit
Each end
Conduit
Bottom
Conduit
Capacity
(cu. in.)
Std.
Ctn.
 

 – – 



" &

"E 



" &

"E 



" &

"E  
 


red box
– – 



" 



" 



"  
  



" red box – – 

 &

"E 

 &

"E 



" &

"E  
   


with CV bracket
– CV 



" &

"E 



" &

"E 



" &

"E  
   


with ext. ring
– – 



" &

"E 



" &

"E 



" &

"E  
   


with ext. ring and old work
ears
Yes – 



" &

"E 



" &

"E 



" &

"E  
  – – – – – – 
  


extension ring
– – 



" &

"E 



" &

"E –  
 

 – – 

" &

" Combo 

" &

" Combo 

" &

" Combo  




w/side mounting bracket
– CV 

" &

" Combo 

" &

" Combo 

" &

" Combo  
—
Fire alarm fttings
Cat. No. Description Std. Ctn.


" Red Steel EMT Set Screw Connector 


" Red Steel EMT Set Screw Connector 
  


" Red Insulated Steel EMT Set Screw Connector 


" Red Insulated Steel EMT Set Screw Connector 
  


" Red Steel EMT Set Screw Coupling 


" Red Steel EMT Set Screw Coupling 
  
TK122A-FA
52171-EXTRD