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E2 Exam Cheat Sheet (DRAFT) by

A cheat sheet that has the most important info for the ICC E2 exam from the 2023 NEC.

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Dwelling Unit Load

1- General Lighting Load SqFt. x 3va, 1st 3,000VA = 100% , 3,001v­a-1­20,­000va =35%, 120,001+= 25% 220.45
2-Small Appliance & Laundry =4500va 220.52
3-Add 1&2
4-Heat & AC Keep larger, omit smaller. 220.60
5-Appl­iance Load 75% for 4 or more fixed applia­nces. 220.53
6-Dryer 5000va or Nameplate rating. 220.54
7- Demand for Cooking Equipment 8000kv between 3.5kw-­12kw. Smaller use nameplate. Larger 5% per kw higher 220.55
8-Largest motor The largest motor is 125% of FLC. Not AC unless its larger than heat. FLC 430.248
Size service by Dividing the total by the voltag­e(240). Apply table 310.12(A)
Size Grounding Electrode Conductor250.66
 

General Commercial Lighting & Recepticle Loads

1- General Lighting Demand Factor as per Table 220.45
**2-