mstrlucky74
Senior Member
- Location
- NJ
If you were reading this spec section for boxes would you interpret it and include inside threaded boxed for any RGS or would you say you can use pressed steel for RGS as well? Have a lot of RGS indoors.
2.4 OUTLET, JUNCTION AND PULL BOXES
A. Cast Type Conduit Boxes, Outlet Bodies, and Fittings
1. For rigid steel conduit, ferrous alloy box with inside threaded hubs.
2. For rigid aluminum conduit, aluminum box with inside threaded hubs.
3. For electrical metallic tubing, ferrous alloy box with compression or inside threaded hubs
with adapter.
4. Covers: Cast or sheet metal unless otherwise required.
5. Tapered threads for hubs.
B. Galvanized Pressed Steel Outlet Boxes
1. General: Pressed steel, galvanized or cadmium-
plated, minimum of 4” octagonal or
square with galvanized cover or extension ring as required.
2. Concrete Box: 4" octagon with removable backplate and 3/8" fixture stud, if required.
Depth of box shall allow for a minimum of 1" of concrete to be poured above the
backplate.
3. Switch and Receptacle Box, Indoors: Nominal 4" square, 1½" or 2-1/8" deep as required,
with raised cover unless otherwise indicated on the Contract Documents.
4. Lighting Fixture Box:
a. 4" octagon with 3/8" fixture stud.
b. For suspended ceiling work, 4" octagon with removable backplate where required,
and two (2) parallel bars for securing to cross-furring channels and extend flexible
metal conduit to each fixture.
2.4 OUTLET, JUNCTION AND PULL BOXES
A. Cast Type Conduit Boxes, Outlet Bodies, and Fittings
1. For rigid steel conduit, ferrous alloy box with inside threaded hubs.
2. For rigid aluminum conduit, aluminum box with inside threaded hubs.
3. For electrical metallic tubing, ferrous alloy box with compression or inside threaded hubs
with adapter.
4. Covers: Cast or sheet metal unless otherwise required.
5. Tapered threads for hubs.
B. Galvanized Pressed Steel Outlet Boxes
1. General: Pressed steel, galvanized or cadmium-
plated, minimum of 4” octagonal or
square with galvanized cover or extension ring as required.
2. Concrete Box: 4" octagon with removable backplate and 3/8" fixture stud, if required.
Depth of box shall allow for a minimum of 1" of concrete to be poured above the
backplate.
3. Switch and Receptacle Box, Indoors: Nominal 4" square, 1½" or 2-1/8" deep as required,
with raised cover unless otherwise indicated on the Contract Documents.
4. Lighting Fixture Box:
a. 4" octagon with 3/8" fixture stud.
b. For suspended ceiling work, 4" octagon with removable backplate where required,
and two (2) parallel bars for securing to cross-furring channels and extend flexible
metal conduit to each fixture.
