Division 26 Electrical
Performance Specification Gap in Division 26 Electrical submittals
Short answer
A measurable performance property in the submittal (rating, capacity, tolerance, efficiency) does not meet what the spec requires. Default grade in Division 26 Electrical: Blocker.
A measurable performance property in the submittal (rating, capacity, tolerance, efficiency) does not meet what the spec requires. This guide covers how it shows up specifically in Division 26 Electrical submittals.
What to look for in Division 26 Electrical
Key performance parameters in electrical submittals:
- Voltage rating (120V, 208V, 277V, 480V) - must match spec exactly
- Ampacity / continuous current rating - breakers, conductors, bus bars
- Short-circuit current rating (SCCR) - must meet or exceed spec; undersized SCCR is a life-safety blocker
- Available Interrupt Current (AIC) rating for breakers and fuses
- NEMA enclosure rating (1, 3R, 4, 4X, 12) - indoor vs outdoor, corrosion resistance
- Efficiency ratings for transformers (DOE 2016 compliant), motors (NEMA Premium), lighting (lumens per watt, DLC listed)
- Color temperature (CCT) and Color Rendering Index (CRI) for lighting
- Wire gauge (AWG) and insulation temperature rating (THHN, XHHW)
- Conduit fill percentage - NEC Article 310/366 limits
- Arc flash incident energy rating for PPE category compliance
How severe is it?
Default grade: Blocker. Always a Blocker when the gap touches life-safety or structural performance.
Deviation Check assigns a default per category and escalates or de-escalates based on the spec, always showing its reasoning. See the Division 26 severity rules.
What the PM should do
Treat this as a hold. Do not approve the submittal until the sub resolves it, either by providing the specified product and documentation or by routing an approved substitution or or-equal request. Return the relevant spec passage to the sub as a redline.
Other deviation categories in Division 26
Frequently asked questions
What performance ratings in Division 26 electrical submittals are most likely to be undersized and create a life-safety problem?
Short-circuit current rating (SCCR) and Available Interrupt Current (AIC) rating are the most dangerous gaps - an undersized SCCR on a breaker or panel is a life-safety blocker regardless of how the submittal looks otherwise. Voltage rating must match exactly (120V, 208V, 277V, 480V). Ampacity on conductors and bus bars and arc flash incident energy ratings for PPE category compliance are also hard stops.
How do lighting performance gaps in a Division 26 submittal differ from equipment electrical rating gaps?
Lighting deviations often appear in efficiency and visual metrics rather than safety ratings. Check lumens per watt against the DLC qualification requirement, and verify color temperature (CCT) and Color Rendering Index (CRI) match the spec. A fixture that passes every voltage and ampacity check can still be rejected because its CRI is too low or its CCT is off by 500 Kelvin. ASHRAE 90.1 compliance documentation applies to the energy-consuming equipment.
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