1.6 KiB
1.6 KiB
id, aliases, tags, title
| id | aliases | tags | title | |||||
|---|---|---|---|---|---|---|---|---|
|
Subfeeds |
Subfeeds Takeoff
Use adders appropriate for the difference in elevation. Use an additional 10ft for makeup when using cable.
Tip
Identify if and where typicals can be used
Multi-Circuit Homerun Subfeeds
Typical of hotels and dormitories.
Route from panel to center of the room.
Voltage Drop
If voltage drop is to be considered in takeoff, Use the table provided in the drawings. If no table is provided, use the following:
| Wire Size | Max Length |
|---|---|
| #12 | 100ft |
| #10 | 200ft |
| #8 | >200ft |
Unit Load Center Subfeeds
Route from meter center to unit load center.
Pigtail Adaptors
distribution-equipment#Pigtail Adaptors
Use where conductors are oversized for voltage drop or otherwise.
| Load Center Size | Max Feeder Size |
|---|---|
| 100A | 2/0 AWG |
| 125A | 3/0 AWG |
| 150A | 4/0 AWG |
| 225A | 300 kcmil |
| 400A | 500 kcmil |
ITEM DATABASE/WIRE & CABLE ACCESSORIES/WIRE LUGS & SPLICING/PIGTAIL ADAPTORS.../ADAPTOR STRAIGHT PIGTAIL - ...
Meter Center Troughs
Only for PVC subfeeds where we own voltage drop.
Area= "Typical - Building Levels With Meter Centers"System= "Electrical"Phase= "Sub Feeders"
ITEM DATABASE/DISTRIBUTION/BUDGET ITEMS $ & LBR/METER CENTER WIRE TROUGH ($400/E)