Project Number: 228730 WWTE SCADA Upgrades
Issue Date: August 2017 Nashua, NH
1. Convenience receptacles for interior use shall be specification grade,
industrial heavy duty type, 20-ampere, 125-volt ac, 2-pole, 3-wire, back
wiring, metal plaster ears, single, duplex (as indicated) grounded,
conforming to NEMA FB 11, NEMA WD 1 and to the 5-20R
configuration in NEMA WD 6. Receptacles shall be white in color.
Provide waterproof in-use covers where indicated and required.
2. Ground Fault Interrupter (GFI) Receptacles shall be specification grade.
Provide 20 ampere, "feed through" type ground fault circuit interrupter,
with integral heavy duty NEMA 5 20R duplex receptacles arranged to
protect connected downstream receptacles on same circuit. Provide unit
designed for installation in a 2 3/4 inch deep outlet box without adapter,
grounding type, Class A, Group 1. Receptacles shall be white in color.
Provide waterproof in-use covers where indicated and required.
3. Locking receptacles shall conform to NEMA WD 6. One (1) plug shall be
furnished with each locking receptacle.
4. Receptacles shall meet the requirements for retention of plugs, overload,
temperature, and assembly security in accordance with NEMA WD 1.
5. Special purpose outlets: NEMA heavy duty class, grounding type with
matching plug. Coordinate NEMA type with equipment manufacturer.
6. Explosion Proof Receptacles: Explosion Proof/Dust-Ignition Proof
Receptacles shall be specifically approved by Underwriters' Laboratories,
Inc., or Factory Mutual for particular "Class," "Division," and "Group" of
hazardous locations involved. Receptacles installed in hazardous locations
shall be factory sealed as provide by Appleton Contendor U-Line Series,
Crouse Hinds, or approved equal. Receptacles shall be 20 amp rated
designed with dead front construction. To operate, a matching plug shall
be utilized. When the plug is inserted and rotated, the receptacle shall be
activated. Receptacles shall be approved for installation without any
additional external sealing fittings. Receptacle enclosures shall be
constructed of copper-free aluminum and malleable iron. Provide each
receptacle with matching 20 amp plug. Plugs shall be constructed of
thermoplastic polyester specifically designed for use where moisture and
corrosion may be present. Plugs shall be designed for use with general
purpose receptacles in non-classified locations. Provide each receptacle
with two (2) spare matching plugs.
WIRING DEVICES
WOODARD & CURRAN 26 27 26-3
