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26 27 13 Electricity Metering
.01 General
- 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.
- 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.
- 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
- Receptacles
- Receptacles shall be rated 20A, specification grade. Install with ground pin up or left.
- All requirements for special receptacles shall be discussed with Engineering Services.
- Receptacles shall be provided at least every 50 feet, in all corridor areas, for operation of floor care equipment.
- 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.
- Lab receptacles – utilize stainless steel cover plate and require engraved nameplate with panel and circuit number feeding outlet. Color code per below.
- 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.
- Refer to 26 05 53 - Identification for Electrical Systems for further labeling requirements.
- Switches
- Local wall switches shall be heavy duty, specification grade, quiet operating rocker or toggle type, 20A, 120/277V.
- Require labeling of switch cover plate for three (3) or more devices ganged together.
- Color Coding:
- Cover Plates - match normal power device color, unless otherwise approved. Stainless steel for labs and similar spaces.
- Normal Power Device - white, almond, or ivory; as selected by the consultant.
- Emergency Power Device - Red
- Standby Power Device - Blue
- UPS/Clean Power Device - Gray. Require engraved nameplate in BLACK or BLUE background depending whether fed by Normal or Standby source.
- SPD Receptacle - Standard device with Blue cover, label "SURGE PROTECTED".
- Isolated-Ground Receptacle - Orange, label cover "ISOLATED GROUND".
- Other Type - as approved.
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