Home  History  Contact   Support   Software  Books  Forms  Order Forms  Downloads           

 Residential 1-Line 2023      $395

Residential 1-Line Load Calculation Software

for Multifamily Dwellings & Duplex Dwellings    < < NEW

Residential 1-Line 2023 is a full function design package that will simplify the time consuming task of preparing 1-line drawings, panel schedules, and load calculations. Simply input the loads for your sub panels and the program will create a Residential 1-line drawing.



Residential 1-Line 2023 is an Microsoft Excel template program that will run on any Windows platform. User furnished copy of Microsoft Excel 2007 or later is required.

View Input Screens

Main Panel Demo  
Dwelling Panel Demo House Panel Demo


Main Panel Printout Dwelling Panel Printout House Panel Printout
1-Line Drawing User's Manual  


> Optional Calculation Method
> Complete Load Calculations
> Fault Current Calculations
> Voltage Drop Calculations
> Conduit & Cable Sizing
> Complete Riser Diagram
> Code Year Selectable NEC
   2023, 2020, 2017, 2014, 2011
> Voltage Drop Adjustment

> 30 - Dwelling Panels
> 2 - House Panels
> Single Phase or Three Phase

Select Delivery Method
   (No Hard Copy)
   (Download + CD Hard Copy)
Hard Copy
   (CD Hard Copy no Download)

Non Cart Orders
If you prefer not to use the shopping cart you may place your order by calling (509) 844-1914 or buy using the order forms below.
Excel Order Form
PDF Order From
Upgrades   $235
If you are a registered user of a previous version of Service Software or Residential 1-Line Software you may place your upgrade order by calling (509) 844-1914 or buy using the order forms below.
Excel Upgrade Order Form
PDF Upgrade Order Form