Open: $5.2475 USD/lb
12/10/2025
Close: $5.2405 USD/lb
12/09/2025
COMEX Aluminum
Latest: $2.1559 USD/lb
12/01/2025
Previous: $2.0790 USD/lb
11/01/2025
COMEX
CU
5.2475
AL
2.1559
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Steel Boxes, Covers, & Accessories

4" Square Extension Ring, 1-1/2" Deep - Welded, W/Conduit KO's

Southwire #: 53151-S Model #: 53151-S
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4 SQ EXT RING WELDED 1-1/2 IN

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Features & Benefits

  • Combination knockouts allow for greater wiring flexibility
  • Combination Phillips/Slotted screw heads.
  • UL, CUL, RoHS Compliant

Specifications

Model # 53151-S 53151-S
UPC # 785592531520 785592531520
Product Height 1.5 3.81 inch cm
Product Width 4.0 10.16 inch cm
Product Weight 0.165 0.07 lbs kg
Material Galvanized Steel Galvanized Steel
Cubic Capacity 21.0 (344.1) 21.0 (344.1)
Standard Package 50 50
Side Knockouts (6) 1/2", (6) 1/2" - 3/4" (6) 1/2", (6) 1/2" - 3/4"
Color Silver Silver
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