SynC · Topic
Indoor
These are the standards in SynC Standards that cover Indoor. Each one is a complete, plain-language specification: the scope it applies to, the requirements that govern it, and a structured equipment datasheet listing the values a project has to decide, with the standards each is verified against. All of it is written and maintained by SynC, free to read without an account, and published under CC BY 4.0.
A standard usually carries several topics, so most of the entries below also appear under neighbouring subjects. The topics each one carries are listed on its own page.
Standards
- Electrical Rooms
The dedicated indoor electrical room and the electrical closet as a space: the room that houses service equipment, switchgear, switchboards, panelboards, motor control centers, dry-type transformers, transfer switches, drives, UPS modules, control-power batteries and the open or paralleling generator sets installed indoors. Covers the working space and the dedicated electrical space the adopted electrical code requires about the equipment, headroom, the number of entrances, door swing, clear opening and panic hardware, locking and free egress, the fire-resistance rating of the enclosing construction where a code sets one, the exclusion of piping and ductwork foreign to the electrical installation, water protection at the door and on the floor, the heat-release basis and the ventilation or cooling performance the room has to deliver, the temperature and humidity limits taken from the equipment ratings, illumination and emergency illumination of the working space, the convenience receptacle, housekeeping pad provision, floor finish, the room ground bar, the signs on the room door, the coordination drawing that proves every clearance before the room is framed, and the field verification before the room is closed in and before equipment is set.
- Interior Lighting Fixtures (Luminaires)
Permanently installed interior luminaires for commercial, institutional, industrial, multifamily, and mixed-use buildings: recessed troffers and panels, downlights, recessed and surface linear luminaires, pendants, wall-mounted and cove luminaires, high-bay and low-bay luminaires, vapor-tight and washdown luminaires, and the luminaires in refrigerated and unconditioned interior spaces. Covers the LED light source, chromaticity and its tolerance, color rendition, efficacy, lumen maintenance and rated life, photometric measurement, glare control and optics, the LED driver and its input voltage, power quality and surge immunity, the dimming input and its response to the control signal, the lowest dimming level, the dimming curve, color tuning, flicker, the integral emergency battery driver as a component of the luminaire, housings, insulation-contact and air-tight recessed housings, location listings, mounting, support, the seismic attachment of recessed and pendant luminaires in suspended ceilings, the luminaire schedule as the record of each type, field testing, warranty, and spares.
- Interior Painting
Field-applied surface preparation, primers, and finish coatings on interior architectural substrates — gypsum board, plaster and veneer plaster, concrete, concrete masonry, ferrous and galvanized metal, and interior wood — in commercial, institutional, and multi-family residential buildings. Covers latex, alkyd, and water-based epoxy paint systems applied to walls, ceilings, doors and frames, exposed structure, and exposed mechanical and electrical work that is to be field-painted.
- Low Voltage Panelboards (Superseded)
never for new adoptions — this standard has been merged into Panelboards, which carries its full content under the simple name.