vault backup: 2025-12-10 16:47:02

conduit-sizing.md

@@ -1,34 +1,14 @@
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 id:
 aliases: []
+title: Conduit Sizing
 tags:
+  - authorship/original
   - destiny/fleeting
   - status/incomplete
   - topic/construction/electrical
   - type/encyclopedia
-  - authorship/original
-title: Conductor Sizing
 ---
 # Conduit Sizing
 
-Table 1 Percent of Cross Section of Conduit and Tubing for Conductors and Cables
-
-| Number of Conductors and/or Cables | Cross-Sectional Area (%) |
-| ---------------------------------- | ------------------------ |
-| 1                                  | 53                       |
-| 2                                  | 31                       |
-| Over 2                             | 40                       |
-
-> [!info] Informational Note No. 1:
-> Table 1 is based on common conditions of proper cabling and alignment of conductors
-> where the length of the pull and the number of bends are within reasonable limits.
-> It should be recognized that, for certain conditions,
-> a larger size conduit or a lesser conduit fill should be considered.
-
-> [!info] Informational Note No. 2:
-> When pulling three conductors or cables into a raceway,
-> if the ratio of the raceway (inside diameter)
-> to the conductor or cable (outside diameter)
-> is between 2.8 and 3.2, jamming can occur.
-> While jamming can occur when pulling four or more conductors or cables into a raceway,
-> the probability is very low.
+![[nfpa-70_ch09#Table 1 Percent of Cross Section of Conduit and Tubing for Conductors and Cables|Table 1 Percent of Cross Section of Conduit and Tubing for Conductors and Cables]]