Electrical Safe Design of Facilities Checklist NFPA 70 NEC 2011 NEC or Other Number Item Reference Comments Rough Underground Inspection Questions What type of occupancy? NEC Articles 210, 220, 1 225, 240, 250, etc. NFPA 101, Ch. 6 2 What of wiring methods are being used? NEC Chapter 3 3 Are the wiring methods suitable for the location? Chapter 3 Is the conduit fill expected to be within the Chapter 9 4 maximum allowable NEC Table 1, Chapter 9? Does the number of bends in conduit exceed 360 Articles 342 - 356 5 degrees? Is the wiring method listed and are listed fittings 6 used? Chapter 3 Does the installation that shown on the Local code - Authority 7 blueprints? Having Jurisdiction Are there any special grounding and bonding Article 250 8 requirements (such as for patient care locations)? Is the workmanship suitable and are the fittings Article 110 9 made up Is corrosion protection a concern for the wiring 10 method used? Chapter 3 11 Is a concrete-encased electrode present? Chapter 2, 250.52(A)(3) Are suitable boxes, under-floor raceways 314.27(B) 12 installed properly? Are burial depths for wiring methods in 300.5 and 300.50 13 accordance with the minimum required by Table 300.5 and 300.50? Underground Inspection Checklist Determine which installations or portions of the 90.2(A) and (B) 14 installations are covered by NEC rules 90.2(A) and (B). Verify equipment is listed and installed in 90.7 and 110.3(A) and (B) 15 accordance with manufacturer’s installation instructions. Verify which wiring method is used and it is listed 110.8, 110.3(A) and (B); 16 for the purpose. and Chapter 3, Article 300 Verify floor boxes are listed for the purpose. 314.27(B) and (C), 17 110.3(B). Verify wiring method burial depths in accordance Table 300.5 and Table 18 with Table 300.5 or Table 300.50. 300.50. for maximum number of bends not to exceed Applicable wiring method 360 degrees. (.26), Examples: Article 344, Metal Conduit 19 Type RMC, 344.26; Article 348, Flexible Metal Conduit Type (FMC), 348.26; etc.
Electrical Safe Design of Facilities Checklist NFPA 70 NEC 2011 Number Item NEC or Other Reference Comments Rough Underground Inspection Questions 1 What type of occupancy? NEC Articles 210, 220, 225, 240, 250, etc. NFPA 101, Ch. 6 2 What of wiring methods are being used? NEC Chapter 3 3 Are the wiring methods suitable for the location? Chapter 3 4 Is the conduit fill expected to be within the maximum allowable NEC Table 1, Chapter 9? Chapter 9 5 Does the number of bends in conduit exceed 360 degrees? Articles 342 - 356 6 Is the wiring method listed and are listed fittings used? Chapter 3 7 Does the installation that shown on the blueprints? Local code - Authority Having Jurisdiction 8 Are there any special grounding and bonding requirements (such as for patient care locations)? Article 250 9 Is the workmanship suitable and are the fittings made up Article 110 10 Is corrosion protection a concern for the wiring method used? Chapter 3 11 Is a concrete-encased electrode present? Chapter 2, 250.52(A)(3) 12 Are suitable boxes, under-floor raceways installed properly? 314.27(B) 13 Are burial depths for wiring methods in accordance with the minimum required by Table 300.5 and 300.50? 300.5 and 300.50 Underground Inspection Checklist 14 Determine which installations or portions of the installations are covered by NEC rules 90.2(A) and (B). 90.2(A) and (B) 15 Verify equipment is listed and installed in accordance with manufacturer’s installation instructions. 90.7 and 110.3(A) and (B) 16 Verify which wiring method is used and it is listed for the purpose. 110.8, 110.3(A) and (B); and Chapter 3, Article 300 17 Verify floor boxes are listed for the purpose. 314.27(B) and (C), 110.3(B). 18 Verify wiring method burial depths in accordance with Table 300.5 or Table 300.50. Table 300.5 and Table 300.50. 19 for maximum number of bends not to exceed 360 degrees. Applicable wiring method (.26), Examples: Article 344, Metal Conduit Type RMC, 344.26; Article 348, Flexible Metal Conduit Type (FMC), 348.26; etc.