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#121824 - 08/23/05 06:16 PM How Many Conductors Can Fit?  
iwire  Offline
Moderator
Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
I went on a service call at a Hotel they said 90% of the outside lights where out.

I found tripped breakers and started looking for faults, this turned out to be tough, many boxes in the ground had been buried.

Here is one I found under 10" of bark mulch.

[Linked Image]

[Linked Image]

It measures 2.5" x 2.5" x 4.25".

How many 10 AWG conductors can we put in here?

Anyone want guess how many 10 AWG conductors where in this box?

Guess high.


Bob Badger
Construction & Maintenance Electrician
Massachusetts

Tools for Electricians:

#121825 - 08/23/05 09:26 PM Re: How Many Conductors Can Fit?  
ShockMe77  Offline
Member
Joined: Jun 2005
Posts: 821
Rahway, New Jersey
27?


#121826 - 08/24/05 12:32 AM Re: How Many Conductors Can Fit?  
e57  Offline
Member
Joined: May 2003
Posts: 2,876
S.F.,CA USA
Physicaly? 30 No splices? 35 Fill rest with dirt.


Mark Heller
"Well - I oughta....." -Jackie Gleason

#121827 - 08/24/05 05:02 AM Re: How Many Conductors Can Fit?  
iwire  Offline
Moderator
Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
Shockme your good. [Linked Image]

It was 27 - 10 AWG solids.

14 conductors entering in each raceway, all spliced.

There are about 15 of these boxes all about the same, a few have only 16.

7 - 120 volt circuits and 2 - 2777 volt circuits.

Any one notice the holes in the box are 3/4"?


Bob Badger
Construction & Maintenance Electrician
Massachusetts

#121828 - 08/24/05 07:25 AM Re: How Many Conductors Can Fit?  
Alan Belson  Offline
Member
Joined: Mar 2005
Posts: 1,803
Mayenne N. France
Shockme, did you install it? - that's cheating! [Linked Image]
Alan


Wood work but can't!

#121829 - 08/24/05 12:04 PM Re: How Many Conductors Can Fit?  
CTwireman  Offline
Member
Joined: Feb 2002
Posts: 840
Connecticut, USA
Hey Bob, what's up with the half metric tape measure? Job Lot special? [Linked Image]

Peter


Peter

#121830 - 08/24/05 01:02 PM Re: How Many Conductors Can Fit?  
John Crighton  Offline
Member
Joined: May 2005
Posts: 177
Southern California
My favorite U.S.-centric trivia question:

Q: What do you call a strip of wood marked in 36 one-inch increments?
A: A yardstick.

Q: What do you call a strip of wood marked in 100 one-centimeter increments?
A: A paint stirrer!


#121831 - 08/24/05 04:18 PM Re: How Many Conductors Can Fit?  
iwire  Offline
Moderator
Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
Quote
Hey Bob, what's up with the half metric tape measure? Job Lot special?


It's my wife's tape measure, she does not shop at job lot, I am thinking the "Dollar Store". [Linked Image]

It won't even make a good paint stirrer. [Linked Image]


Bob Badger
Construction & Maintenance Electrician
Massachusetts

#121832 - 08/25/05 12:32 AM Re: How Many Conductors Can Fit?  
Larry Fine  Offline
Member
Joined: Feb 2005
Posts: 693
Richmond, VA
Q: What do you call a boomerang that doesn't return?

A: A stick!


Larry Fine
Fine Electric Co.
fineelectricco.com

#121833 - 08/25/05 03:17 AM Re: How Many Conductors Can Fit?  
Alan Belson  Offline
Member
Joined: Mar 2005
Posts: 1,803
Mayenne N. France
Q. What's brown and sticky?

A. Another stick!

Having a dual metric/inch tape is real handy here, for obvious reasons if your brain thinks in imperial. Funny thing is, nearly 200 years into the metric experiment in France, the inch (pouce) is still understood, you can buy potatoes in the market in livres ( pounds) and most plywood comes in 4' x 8' sheets, ( made in or for the US market). Had a laugh one day, saw a Brit strolling toward the builders' merchant office with a piece of unmistakable orange Brit pvc soil-pipe on his shoulder. UK = 110mm OD, 4" bore. French 100mm OD, 94mm bore, and totally incompatible. Hope he hadn't fitted too much already! One of my favorite things is to pretend to study a product, eavesdropping on some hapless Brit mangling the French language, (or just speaking English very loudly! ( "AVEZ-VOUS FOUR INCHES!!" ), while the long suffering assistant wishes he was someplace else, like on the beach in Cap d'Adge!

Alan


Wood work but can't!

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