26 27 00 LOW-VOLTAGE DISTRIBUTION EQUIPMENT

26 27 13 Electricity Metering

.01 General

1. Provide provisions for digital meter within isolated compartment integral to the service entrance equipment.  Compartment shall include CT’s on a shorting block and voltage connection brought to a fuse block with disconnect (mount CT’s and voltage connection ahead of the main).  PSU Utilities will install service metering. Compartment shall accept a Square D circuit monitor style meter.  Provide data connection from the meter location back to the nearest data closet. 
1. Sub-meters - When approved, sub-meter location(s) shall have provisions to match those above and shall be co-located within an isolated compartment integral to the service entrance equipment.  Provide communication interconnection back to the service entrance meter.  Confirm type of meter provisions required with Engineering Services.
2. Distribution panels, ATS’s (where required by ES), and other equipment that does not have space for an integral meter compartment shall incorporate a stand alone meter cabinet, Hoffman #A1412CHFL (14”x12”x6”) or similar.  Provide provisions for PSU meter per paragraph A.

26 27 26 Wiring Devices

.01 General

1. Receptacles
1. Receptacles shall be rated 20A, specification grade.  Install with ground pin up or left.
2. All requirements for special receptacles shall be discussed with Engineering Services.
3. Receptacles shall be provided at least every 50 feet, in all corridor areas, for operation of floor care equipment.
4. Class 1 Critical Research – provide dedicated twist-lock receptacle on “Standby” (NEC 702 optional standby systems) system power.  Provide equipment with a twist-lock cord and cap assembly including an engraved brass tag (consult with Engineering Services for labeling).  Engrave outlet cover to read “Class 1 Emergency Power” and the panel/circuit feeding the load.  Any load with this designation must be reviewed and approved by Engineering Services.
5. Lab receptacles – utilize stainless steel cover plate and require engraved nameplate with panel and circuit number feeding outlet.  Color code per below.
6. Flat screen TV - Use a 2-gang recessed combination receptacle and CATV outlet similar to the Arlington Industries indoor “in-box”, Leviton “recessed entertainment box”, or approved equal.
7. Refer to 26 05 53 - Identification for Electrical Systems for further labeling requirements.
2. Switches
1. Local wall switches shall be heavy duty, specification grade, quiet operating rocker or toggle type, 20A, 120/277V.
2. Require labeling of switch cover plate for three (3) or more devices ganged together.
3. Color Coding:
1. Cover Plates - match normal power device color, unless otherwise approved.  Stainless steel for labs and similar spaces.
2. Normal Power Device - white, almond, or ivory; as selected by the consultant.
3. Emergency Power Device - Red
4. Standby Power Device - Blue
5. UPS/Clean Power Device - Gray.  Require engraved nameplate in BLACK or BLUE background depending whether fed by Normal or Standby source.
6. SPD Receptacle - Standard device with Blue cover, label "SURGE PROTECTED".
7. Isolated-Ground Receptacle - Orange, label cover "ISOLATED GROUND".
8. Other Type - as approved.