Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH
1.03 QUALITY ASSURANCE
A. Reference Standards
1. NATIONAL ELECTRICAL CODE (NEC)
2. | UNDERWRITER'S LABORATORIES, INC. (UL)
3. NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION
(NEMA) COMPLIANCE
1.04 SUBMITTALS
A. Furnish manufacture’s product data, test reports, and materials certifications in
accordance with the specifications.
PART 2 - PRODUCTS
2.01 FLUSH WIRING DEVICES
A. Wall Switches
1. Wall Switches shall be specifications grade, toggle operated, quiet type
alternating current (ac) switches, NEMA heavy duty class, rated at 20
ampere, 120/277 v. Provide matching two pole, 3-way or 4-way switches
as indicated. Switches shall be white in color. Comply with UL 20 and
NEMA Standards.
2. Where two or more switches are to be installed at the same location, they
shall be mounted in one-piece ganged switch boxes, with appropriate gang
cover plate.
3. Provide waterproof switches where indicated.
4. Explosion Proof Switches: Explosion Proof/Dust-Ignition Proof Wall
Switches shall be specifically approved by Underwriters’ Laboratories,
Inc., or Factory Mutual for particular "Class," "Division," and "Group" of
hazardous locations involved. Switches shall be tumbler operated equal to
Appleton EDS Series, Crouse Hinds, or approved equal. Switches shall be
factory sealed specifically designed to a U.L. standard so that any arcing
devices are within a chamber which contains any explosions. Switches
shall be approved for installation without any additional external sealing
fittings. Switches shall be specifically designed to accept conduit sizes
indicated on the Contract Drawings.
B. Receptacles
WIRING DEVICES
WOODARD & CURRAN 26 27 26-2
