Project Number: 228730
Issue Date: August 2017
WWTE SCADA Upgrades
Nashua, NH
d. Provide gasketed cover and accessories by box manufacturer for
complete weatherproofing. Provide correct box to accept
weatherproof covers as specified.
3. Sheet Metal Pull & Junction Boxes
a. Sheet metal boxes shall be standard type galvanized steel and must
conform to UL 50.
b. Box dimensions shall be minimum four inch square or octagon by
2/1/2 inch deep.
C. Sizes up to 12x12x6 inch: Provide screw-type or hinged covers.
d. Sizes greater than 12x12x6 inch: Provide hinged covers.
e. Boxes shall be sized to accommodate all incoming raceways.
4. Nonmetallic Outlet, Device, and Wiring Boxes
a. Conform to NEMA OS 2, "Nonmetallic Outlet Boxes, Device
Boxes, Covers, and box Supports," and UL 514C, "Nonmetallic
Outlet Boxes, Flush Device Boxes and Covers." Boxes shall be
molded polyvinyl chloride (PVC), or fiberglass units of type,
shape, size, and depth to suit location and application.
b. Boxes shall be equipped with threaded screw holes for device and
WOODARD & CURRAN
cover plate mounting. Each box shall have a molded cover of
matching material suitable for the application and location
installed.
RACEWAYS, BOXES AND SUPPORTING DEVICES
26 05 34-7
