Open: $5.0430 USD/lb
11/12/2025
Close: $5.0485 USD/lb
11/11/2025
COMEX Aluminum
Latest: $2.0790 USD/lb
11/01/2025
Previous: $1.9439 USD/lb
10/01/2025
COMEX
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5.0430
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2.0790
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Non-Metallic Boxes & Covers

One Gang Non-Metallic Multi-Mount Romex Box - 21 Cu. In.

Southwire #: MSBMMT1G Model #: MSBMMT1G
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MSBMMT1G 1 GANG MULTI MOUNT DEVICE BOX

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One Gang Non-Metallic Multi-Mount Romex Box - 21 Cu. In.
One Gang Non-Metallic Multi-Mount Romex Box - 21 Cu. In.

Features & Benefits

  • Removable nail tab for metal stud mounting
  • Horizontal or vertical mount
  • Removable interior mounting blocks allow for more cubic inch capacity in box
  • Top mounting blocks for vertical mounting
  • 1/2" ko's for blue tube or PVC conduit connections
  • UL Listed & RoHS Compliant

Specifications

Model # MSBMMT1G MSBMMT1G
UPC # 784297017704 784297017704
Product Height 3.82 9.70 inch cm
Product Width 2.4 6.10 inch cm
Depth 3.5 8.89 inch cm
Product Weight 0.24 0.11 lbs kg
Material Polycarbonate Polycarbonate
Cubic Capacity 21.0 (344.2) 21.0 (344.2)
Standard Package 50 50
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