vault backup: 2025-09-08 16:28:40

raceway-terms.md

@@ -24,7 +24,7 @@ tags:
 
 > [!info] Duct Bank
 > "Duct bank" is not given explicit definition in the NEC,
-> however it is used frequently to refer to any group of ducts,
+> however it is used frequently to refer to any group of **ducts**,
 > _even as few as one_, as shown in Figure 310.60(C)(3).
 > It is always spelled as two words.
 
@@ -33,9 +33,11 @@ tags:
 "Wiring method" is not given explicit definition in the NEC.
 
 > [!quote] NEC 110.8 Wiring Methods
-> Only wiring methods recognized as suitable are included in this Code.
+> Only wiring methods recognized as suitable
+> are included in this Code.
 > The recognized methods of wiring
-> shall be permitted to be installed in any type of building or occupancy,
+> shall be permitted to be installed
+> in any type of building or occupancy,
 > except as otherwise provided in this Code.
 
 > [!quote] NEC 300.1(A) All Wiring Installations
@@ -44,8 +46,10 @@ tags:
 > for all _wiring installations_ (emphasis added)
 > unless modified by other articles in Chapter 3.
 
-Nor is wiring installation, however by closest definition
-it can be assumed premises wiring includes all wiring installations.
+Nor is wiring installation,
+however by closest definition
+it can be assumed **premises wiring**
+includes all wiring installations.
 
 > [!quote] NEC Article 100
 > **Premises Wiring (System).**
@@ -55,34 +59,50 @@ it can be assumed premises wiring includes all wiring installations.
 > both permanently and temporarily installed.
 > This includes
 > (a) wiring from the service point or power source to the outlets or
-> (b) wiring from and including the power source to the outlets where there is no service point.
+> (b) wiring from and including the power source
+> to the outlets where there is no service point.
 
-Notably, Chapter 3 does not prescribe requirements for _raceway_, but for _wiring installations_.
-As such, conduit used for other purposes (e.g. routing beverage tubing) is out of scope.
+### Inappropriate Use
 
-Raceways used for supporting communications cables _would be_ out of scope,
-except for Article 800.110:
+Notably, Chapter 3 does not prescribe requirements for _raceway_,
+but for _wiring installations_.
+As such, conduit used for other purposes
+(e.g. routing beverage tubing) is out of scope.
+
+Raceways used for supporting communications cables
+_would be_ out of scope, except for Article 800.110:
 
 > [!quote] NEC 800.110(A)(1) Raceways Recognized in Chapter 3
 > Communications wires and cables shall be permitted
 > to be installed in any raceway included in Chapter 3.
-> The raceways shall be installed in accordance
-> with the requirements of Chapter 3.
+> _The raceways shall be installed in accordance_
+> _with the requirements of Chapter 3._
 
-Raceway is not a wiring method unless it is used to support premises wiring,
+Raceway is not a _wiring method_
+unless it is used to support _premises wiring_,
 which communications cabling is not.
 
-It is not appropriate to say "EMT conduit is a wiring method"
-(granted the NEC does use this syntax occasionally),
-because a recognized wiring method must include
-the wiring, splices, pull boxes, outlet boxes, and supports
+It is not appropriate to say "EMT conduit is _a_ wiring method"
+(granted the NEC does use similar phrasing occasionally),
+because any recognized wiring method must include the
+* wiring,
+* splices,
+* pull boxes,
+* outlet boxes,
+* and supports
 necessary of a complete wiring installation,
 each of which has countless options.
 
-It may be appropriate to refer to "MC cable" as a wiring method
+### Appropriate Use
+
+It may be appropriate to refer to "MC cable" as _a_ wiring method
 if you and your audience understand the name as shorthand
 for a more specific, standard framework.
 
+In a robustly implemented specification-based takeoff software,
+an assembly's specifications would describe it's wiring methods.
+A 20A and 30A branch circuit may utilize identical "wiring methods".
+
 ## Takeaways
 
 No part of a manufactured cable assembly (e.g. MC cable)