Master Calculations #4
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Master Electrician Calculations Workbook #4

Here is a list of all pages by topic included in this digital download:

These practice worksheets are intended to be used with a Texas Instruments® TI-30Xa calculator. You may use any calculator but this is the model which will be used for instructional purposes.

MECWB Master Electrician Calculations Workbook

Multifamily Residential Service Calculations

Audio Support Information
Calculations Workbooks Available as digital downloads
Checklist of all Journeyman and Master workbook topics

91  Service Calculations  -  Standard Mobile Home
92  Service Calculations  -  Optional Mobile Home
93  Service Calculations  -  Mobile Home Park
94  Service Calculations  -  Standard Duplex
95  Service Calculations  -  Optional  Duplex
96  Service Calculations  -  Duplex Dwelling Units
97  Service Calculations  -  Standard Triplex
98  Service Calculations  -  Optional Triplex
99 Service Calculations  -   Triplex Dwelling Units
100  Service Calculations  -  Standard Quadruplex
101  Service Calculations  -  Optional Quadruplex
102  Service Calculations  -  Quadruplex Dwelling Units
103  Service Calculations  -  Standard Multi- Family
104  Service Calculations  -  Optional Multi-Family
105  Service Calculations  -  Multi-Family Dwelling
106  Service Calculations  -  Multi-Family Dwelling
107  Service Calculations  -  Multi-Family Dwelling
108  Service Calculations  -  Motel
109  Service Calculations  -  Motel
110  Service Calculations  -  Hotel
111  Service Calculations  -  Hotel
112  Service Calculations  -  Assisted Living Facility
113  Service Calculations  -  Assisted Living Facility
114  Three Phase Feeders  -  Household Cooking Loads
115  Range Feeder Demand Note 1
116  Range Feeder Demand Note 2
117  Three Phase Feeder  -  Household Cooking Story Problems
118  Service Calculations  - Recreational Vehicle Park
119  Recreational Vehicle Park  -  Minimum Number of Receptacles
120  Service Calculations  -  RV Park 


Answers are provided in the digital download for all problems.
You may use any of these pages without answers for all problems free of charge. The digital download is intended to contain the answers for sale to help support this website. If you do not need the answers, there is no need to purchase the digital download. Just print what ever pages you need and have at 'em.
Answers are numbered as pages numbered 91-120 and are found as the last half of the digital download.

Note: Each of these calculations workbook topics has an audio support file available for unlimited use. These audio files are intended to explain each calculations technique. They may be played over and over until you can perform the indicated operation. There is no additional charge for this support. But you will need an audio player. Google Real Audio Player to obtain a free download of a player. Your computer probably already has an audio player installed. Be sure your volume is turned on and not set on mute to access these files.

How this digital download works:

When you find a digital delivery item you want, follow these steps:

1. Click the Buy Now button for the item as provided at the bottom of this page.

2. Pay for the item through PayPal with any debit or credit card.

3. Immediately check your email for a link to the file you just bought.

4. Click on the link for the digital file you just bought in the email you received.

5. You will be given a choice to either open the file or save the file. Click SAVE so that  you can access it at any time in the future. You may want to create a folder for digital downloads to make the file easier to find. Or even create a desktop icon with a right click to access it rapidly.

6. If you just open the file, and do not save it, you can view the pages and print them on your printer. You will need Adobe Reader to access these pages. It is installed on most computers. If you do not have Adobe Reader, Google it to find a free download. This takes about five minutes at most.

7. If you save the file to your computer, be sure you remember where you saved it so you can open it when ever you want. You can access it and print it at any time.

8. Request a full refund if you are not pleased with what you get. Send an email to 

9. Special note: You are entitled to open this file up to 3 times online. There is no time limit to the length of time to open the file online. Just the number of times that you can open it.  If you have saved the file to your computer, as suggested above, the pages will be available to you as long as your computer lives.

10. You get nothing in the mail. Delivery is exclusively digital through your internet connection on your computer. Download time will vary with your connection type.

If you prefer to have a hardcopy mailed to you, find all these same items HERE.

Click this Buy Now button to purchase this MECWB #4 with any debit or credit card.

Buy NowMECWB #4 Multi Family Service Load Calculations

Here is a link rack to all the digital download items for sale at 
400 back of the book questions
electrician calculations workbook
electrician general knowledge
motor calculations
electrician open book 2002 NEC questions
electrician open book 2005 NEC questions
electrician open book 2008 NEC questions
electrician reference formulas appendix 2002 NEC
electrician reference formulas appendix 2005 NEC
electrician reference formulas appendix 2008 NEC
electrician search term index 2002 NEC
electrician search term index 2005 NEC
electrician search term index 2008 NEC
electrician technical literacy list
electrician vocabulary improvement
journeyman practice exams 2002
journeyman practice exams 2005
journeyman practice exams 2008
master electrician practice exams 2002
master electrician practice exams 2005
master electrician practice exams 2008
Journeyman Calculations Workbook #1
Journeyman Calculations Workbook #2
Journeyman Calculations Workbook #3
Journeyman Calculations Workbook #4
Journeyman Calculations Workbook #5
Journeyman Calculations Workbook #6
Masters Calculations Workbook #1
Masters Calculations Workbook #2
Masters Calculations Workbook #3
Masters Calculations Workbook #4
Masters Calculations Workbook #5
Masters Calculations Workbook #6



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The next Master Electrician Course in Port St. Lucie begins January 9th, 2010. Details HERE.
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