MPS Master
SECTION 26 27 26
WIRING DEVICES
PART 1 - GENERAL
1.01
A.
SUMMARY
Section Includes:
1.
Provide new wiring devices in each outlet indicated on Drawings.
2.
Provide all devices from one manufacturer.
3.
Allowances for relocating wiring and technology device locations.
4.
Wiring devices in this Section include the following:
a.
b.
c.
d.
B.
Related Sections:
1.
2.
1.02
A.
Outlets
Switches
Device Plates
Pilot Lights
Section 26 00 00: Electrical.
Section 26 05 26: Grounding and Bonding for Electrical Systems.
REFERENCE STANDARDS
General:
1.
2.
3.
4.
Current Edition of the National Electrical Code
Underwriters‘ Laboratories
NEMA WD1-3, WD1-4 for General and Specific Purpose Wiring Devices
Current Edition of ICC/ANSI (A117.1-2003)
PART 2 - PRODUCTS
2.01
A.
MANUFACTURERS
Acceptable Manufacturers: Subject to compliance with requirements of the Contract
Documents, acceptable manufacturers are as follows:
1.
Switches and Receptacles:
a.
b.
c.
Hubbell
Pass & Seymour
Leviton
2.
Hubbell catalog numbers are used to specify type and quality required.
3.
Device wall plates shall be compatible with devices and Article 2.06.
26 27 26 - 1
Wiring Devices
MPS Master
SECTION 26 27 26
2.02
A.
2.03
A.
DEVICE COLOR
General Requirements: Catalog numbers are for standard brown or ivory color devices to
match existing in remodeling projects.
SWITCHES
General Requirements:
1.
2.
3.
4.
5.
6.
7.
Switches, except as noted, shall be rated 20 Ampere, 120/277 Volt, AC, ”Quiet“ Toggle
Switch
Meet Federal Specification WS896-E and NEMA WD1 Standards
UL Listed
Side and Back Wiring Options
Single Pole Switches: No. 1221
3-Way Switches: No. 1223
4-Way Switches: No. 1224
B.
Switches Controlling Loads Under 5 Amperes: Where loads do not exceed 5 ampere,
switches of same series above but rated only 15 amperes may be used.
C.
Momentary Contact Switches: Switches shall be 20A, double throw, 3-position toggle
switches, with center return No. 1557 or equal, mounted in matching wall plate.
D.
Key Switches and Double Pole Switches: Hubbell or Owner approved equal of type
specified above. Where key operated switches are called for in Science classrooms to control
gas valves, the device shall be by ”Spectrol“ consisting of:
1.
2.
3.
4.
5.
”Locknetics“ 643-0505
Engraved Locknetics Plate
Red Neon Lamp
SPDT 10A Relay
4-Point Terminal Strip
Gas solenoid valve is provided by Division 23 and installed by Division 26. Rough-in height for
key switch shall be at 42 inches. Electrical Contractor shall provide all necessary mounting
hardware brackets to building structure for a secure installation. Unit shall be Chemetron
Medical Products, No. 669201-64.
E.
Switches in Door Frames: Pass & Seymour No. ACD-201 or ACD-203 as required, complete
with mounting straps and narrow stainless steel plates.
F.
Switches with Pilot Light Toggle: Pilot light on with load on, No. NBL 1221 PLC for single
pole and NBL 1223 PLC for 3-way.
2.04
A.
CONVENIENCE OUTLETS
Duplex Receptacles:
1.
2.
3.
Meet Federal Spec WS596G Standards
UL Listed
1-Piece Brass Strap with Integral Ground Contacts, except GFI Receptacles
26 27 26 - 2
Wiring Devices
MPS Master
SECTION 26 27 26
4.
5.
6.
7.
8.
Heavy Duty High Impact Nylon Face
"Bypass" Patented Design Constant Contact Pressure Power Contacts
Side and Back Wiring Options
NEMA 5-20R Configuration; rated for 20 amperes at 125 volts, unless noted otherwise
Interior duplex receptacles, except within 6 feet of sinks, shall be No. .
B.
Rough-Use Receptacles: High grade 0.050-inch thick brass alloy, 1-piece mounting strap
and grounding system, glass reinforced nylon base, triple wipe contacts, and nylon face,
No. 5362.
C.
GFI Receptacles: All receptacles located in bathrooms, kitchens, and on rooftops shall be GFI
type. Units shall be No. GF-5362, 20 ampere self-contained type with reset and test buttons,
and shall be equipped with a ground fault interrupter which will automatically detect a ground
fault current and de-energize receptacle when fault currents exceed 5 milliamps.
1.
Feed-through feature shall not be used, except where specifically noted on Drawings.
2.
GFI receptacles shall be same color as other receptacles and installed as follows:
a.
b.
c.
D.
3.
All duplex receptacles within 6 feet of sinks shall be GFI type as specified.
4.
Receptacle covers shall, in all cases, meet NEC code requirements for outdoor
receptacles with attachment plug caps inserted and cover closed.
Emergency Power Receptacles:
1.
E.
Where installed within building, receptacles shall be mounted in standard device
plates as specified.
Where installed on roof or in other areas requiring surface mounted outlets, GFI
receptacles shall be installed in weatherproof cast boxes with a hinged locking in use
weatherproof cover.
Where installed on exterior walls of building, receptacles shall be mounted vertically
with hinged locking weatherproof covers. Covers shall be listed for wet locations and
be complete with holes for Owner's padlock.
For circuits connected to emergency generators, provide red devices as indicated on
Drawings.
Special Purpose Receptacles:
1.
Single Receptacles: Hubbell No. 5351 grounding type, rated 20 amperes, provided only
where so noted on Drawings.
a.
Water Cooler Receptacles: Exact location of receptacle shall be coordinated with
Mechanical Contractor.
2.
Single Receptacles: Hubbell No. 2320 grounding type, twist-lock rated 20 amperes as
noted on Drawings.
3.
Special Combination Receptacles: Receptacles shall be No. 5290 (NEMA 5-15R/6-15R),
with (1) 15 ampere, 208 volt circuit.
26 27 26 - 3
Wiring Devices
MPS Master
SECTION 26 27 26
4.
Special Combination Receptacles: No. 5451 (NEMA 6-20R), 20 ampere, 208 volt, single
phase receptacle mounted in 1 gang of a 2-gang plate with a duplex 120 volt receptacle in
second gang.
5.
30 Ampere (Dryer) Receptacles: No. 9430 (NEMA 14-30R), 125/250 volt, 3 pole, 3-wire
type complete with flush plate.
a.
6.
50 Ampere (Range) Receptacles: No. 7450 (NEMA 14-50R), 125/250 volt, 4 pole, 4-wire
type complete with flush plate.
a.
7.
Furnish and connect (1) No. 9339-5, 3-wire, 5-foot long cord set to Owner's dryer at
each outlet.
Furnish and connect (1) 4-wire cord set to Owner's range at each outlet.
50 Ampere (Welding) Receptacles: Provide 250 volt, 3-wire grounding type complete with
flush plate to match cords and plugs on Owner's units.
a.
Where Owner does not have existing units to match, provide No. 9367 (NEMA 6-50R)
receptacles in flush plates.
8.
Air Conditioning Receptacles: Pass & Seymour No. 5890 combination type, with
(1) 20 ampere, 120 volt circuit and (1) 15 ampere, 220 volt circuit.
9.
Childproof Receptacles: Pass & Seymour No. 8300-SG, 15 or 20 ampere type.
10. 3 Phase, 208 Volt Receptacles: Provide 3 pole, 4-wire grounding type complete with flush
plate to match cords and plugs on Owner's units.
a.
b.
c.
Where Owner does not have existing units to match, provide No. 2420-A (NEMA
L15-20R), twist lock type receptacles in flush plates.
Engrave each plate "208V - 3 Phase".
Furnish (1) No. 2421 attachment plug for each 2420-A outlet.
11. Isolated Ground Receptacles: No. IG5362, rated 20 amperes.
12. 3 Phase, 480 Volt Receptacles: No. 2430 (NEMA 116-20R), 3 pole, 4-wire grounding type
complete with flush plate.
a.
b.
Engrave each plate "480V - 3 Phase".
Furnish (1) No. 2431, plug for each outlet.
13. Single Phase, 277 Volt Receptacles: Receptacles shall be No. 34760 (NEMA 17-15R),
2 pole, 3-wire grounding type complete with flush plate.
a.
b.
Engrave each plate "277 Volts".
Furnish (1) No. 4770C, nylon plug for each outlet.
14. Ceiling service reel receptacles shall be recessed single reel service, with a 120 volt,
single phase Hubbell No. 23002G, twist lock receptacle with 20-foot, 3 #16 cable per reel.
All branch circuits shall be protected with GFI receptacles or Leviton 23030.
26 27 26 - 4
Wiring Devices
MPS Master
SECTION 26 27 26
2.05
A.
CORD CAPS AND PLUGS
15 and 20 Amp Straight Blade and Locking Plugs and Connectors:
1.
2.06
Water Tight Devices: Leviton "Wetguard" or Owner approved equal.
DEVICE PLATES
A.
General Requirements: Plates shall have rounded, smooth edges and be common for each
group of devices mounted adjacent to each other unless otherwise noted on Drawings. All
plates shall be Sierra, Type S, or Hubbell. Plates with beveled edges shall not be acceptable.
B.
Wall Plates: Except where special finishes are called for, shall be 302 stainless steel.
C.
Special Plates: Plates in swimming pool areas shall be high strength plastic.
D.
Special Screws: Where so indicated, device plates shall be complete with special
tamperproof spanner oval head screws. Provide Owner with (3) special screw drivers for
spanner head screws.
E.
Engraved Plates: Printed tape or glued-on name plates are not acceptable. Engraved plates
shall have letters as required, 1/8 inch minimum letter height, and black filling. Verify all
engraving text with Owner prior to work. Engrave plates as follows:
F.
1.
Engrave all wall plates as indicated on Drawings.
2.
Engrave all switch wall plates controlling any lights which are out of sight of switches.
3.
Engrave all switch plates controlling motors.
4.
Engrave all switch plates with (4) or more gangs, to indicate lighting fixtures served.
Weatherproof Plates for Public Area: Weatherproof plates for public areas include exterior
of building:
1.
G.
Weatherproof Plates for Work Area: Weatherproof plates for work areas include roofs:
1.
H.
A.
Pass & Seymour 3723-FS or Owner approved equal
"While in Service" Plates:
1.
2.07
Pass & Seymour 4600-26 with 4609 Key or Owner approved equal
Pass & Seymour WIU10 Series, or Owner approved equal, with Padlock-able Capability
PILOT LIGHTS
General Requirements: Hubbell No. 1201-PL, or Owner approved equal, neon red jewel type
mounted in separate gangs of switch plates. Pilot lights shall be wired from load side of motor
disconnect switch so that pilot cannot light when disconnect is in open position. Where pilot
lights are required, provide switches with handle lighted when switch is ”On”.
26 27 26 - 5
Wiring Devices
MPS Master
SECTION 26 27 26
PART 3 - EXECUTION
3.01
A.
INSTALLATION OF DEVICES
General Requirements: Install wiring devices in compliance with manufacturer=s instructions,
applicable requirements of NEC and NECA’s ”Standards of Installation“, and in accordance
with recognized industry practices. All devices shall conform to mounting heights required by
ADA (Americans with Disabilities Act).
1.
B.
Other Requirements: Special heights are required above casework. Devices mounted above
casework shall be mounted horizontally so that dimensions from openings and switch handles
are accessible.
1.
C.
Ensure that wiring device boxes are free of debris. Wiring work shall be completed before
devices are installed. All painting shall be completed before device wall plates are
installed.
Special coordination shall be completed with Architectural Drawings and manufacturer's
installation drawings and instructions for all disciplines.
Device Heights:
1.
2.
3.
4.
5.
Switches: 48 Inches
Convenience Outlets: 18 Inches
Telephone Outlets: 18 Inches
Weatherproof Receptacles (Above Grade): 24 Inches
Non-Adjustable Thermostats: 60 Inches
D.
Mounting Height: Heights are given from center of outlet box to finished floor directly below
outlet. Other miscellaneous device mounting heights are given in their respective sections of
the Specifications or on Drawings.
E.
Outlets Added to Existing Surfaces: Carefully cut and patch to match adjacent finishes and
materials.
3.02
A.
INSTALLATION OF RECEPTACLES
Location:
1.
Coordinate with all trades before installing receptacles.
2.
Special coordination required with Mechanical Contractor for locating devices in outside
walls to determine size and location of wall hung radiation. Where conflicts are apparent,
Contractor shall notify Architect/Engineer.
3.
Receptacles alongside of switches in janitor closets, storage rooms, and mechanical
spaces shall be in 2-gang boxes, with switch in first gang and receptacle in second gang.
4.
Switches near doors shall be located on side opposite the hinges (verify door swings with
Architectural Drawings before installation) and close to door trim. Edge of switch plate
shall be within 4 inches of door frame.
26 27 26 - 6
Wiring Devices
MPS Master
SECTION 26 27 26
B.
Circuit Identification: Label inside of plates of all receptacles with panel and circuit number
with permanent marker.
END OF SECTION
26 27 26 - 7
Wiring Devices
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26 27 26 Wiring Devices

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