Ready to create a study guide? Use Canvas to save, edit, and share your guide Get started
These are added to your General Lighting load before you apply any demand factors. 2. Electric Clothes Dryers (Standard Method) When calculating the feeder or service load for a dryer: Use the nameplate rating or , whichever is electrical code calculations level 2 lesson 6
Let’s break down these core components usually found in this lesson. Ready to create a study guide
6 units × 36,100 VA = 216,600 VA.
: These are loads expected to run for three hours or more (common in commercial lighting). OCPD Sizing : Must be at least 125% of the continuous load. OCPD Sizing : Must be at least 125% of the continuous load
A recurring theme in Lesson 6 is handling , sign loads , and kitchen equipment in commercial portions of mixed-use buildings. For multi-family, pay attention to feeders supplying house loads (hallway lighting, laundry room equipment, parking lot lighting). The demand factors for house loads differ from unit loads.
While the NEC is primarily a safety code, not an efficiency code, almost always introduces Voltage Drop calculations. This is essential for ensuring equipment operates efficiently and to prevent motor stalling or dim lights.