7400sq ft. House

Status
Not open for further replies.
acrwc10

acrwc10

Master Code Professional
Location
CA
Occupation
Building inspector
I have read many threads here saying how fast some guys are wiring new homes and that the number of cicuits is "NEC Minimum standard".While I agree the NEC standard is addiquit my question is two fold, 1) the average new home I wire is between 5000 and 8000 square ft. with over 100 line volt recess lights, 50 surface mount fixtures, and 125 recepticle,9' or higher ceilings,3 storys high. How long do you think it should take 2 guys to wire a house like this? I calculate my lighting loads so all lights can be on at the same time without tripping a breaker, is this something the Production guys do? What kind of pricing would you put on a job like this?
Just curious....
 
acrwc10 said:
I calculate my lighting loads so all lights can be on at the same time without tripping a breaker, is this something the Production guys do?
Click to expand...

That is required by NEC 210.20 and in fact you have to calculate based on the max wattage lamp allowed not the size you plan to install.


2002 NEC
220.3(B)(4) Recessed Luminaires (Lighting Fixtures). An outlet supplying recessed luminaire(s) [lighting fixture(s)] shall be computed based on the maximum volt-ampere rating of the equipment and lamps for which the luminaire(s) [fixture(s)] is rated.
Click to expand...

Hopefully 'production guys' do that as well.
 
Last edited:
acrwc10 said:
I have read many threads here saying how fast some guys are wiring new homes and that the number of cicuits is "NEC Minimum standard".While I agree the NEC standard is addiquit my question is two fold, 1) the average new home I wire is between 5000 and 8000 square ft. with over 100 line volt recess lights, 50 surface mount fixtures, and 125 recepticle,9' or higher ceilings,3 storys high. How long do you think it should take 2 guys to wire a house like this? I calculate my lighting loads so all lights can be on at the same time without tripping a breaker, is this something the Production guys do? What kind of pricing would you put on a job like this?
Just curious....
Click to expand...

When doing customs,it is alot different from tract home production.All to many production guys have no clue how to calculate a dedicated lighting load or what is the way a true custom should be wired.So that the HO doesn`t have the lights dim when moma uses the vacum.As for time it should take well that isn`t something that can be given off the top of one`s head.To many variables involved.Location of panel(s),para lam beams etc.

I know I did 100`s upon 100`s of customs from spread out 11,000`s to two story 32,000.If I had to give an estimated time for 2 good knowledgable guys 1 lead and an experienced helper to wire a 7.200 3 story home (with sissor trusses for floor joists)I would have to say 6 to 9 days to do the job right.That`s an estimate determined upon my own doings and not production pace.

You have to remember that production is just that low bid and get in and get out to make a few $$$.Now in a true custom most HO`S want the best job for the $$$$ they are spending.As far as an estimate that depends on what profit margin you work with.What the average hourly rate is.etc.Just make sure you don`t under bid just to get a job that can take you to the cleaners.................
 
ryan_618 said:
Are you sure? What about 220.14(J)(3)?
Click to expand...

I am sure about what I meant I am not sure we are talking about the same thing. :)

The OP stated "I calculate my lighting loads so all lights can be on at the same time without tripping a breaker"

If we are talking about branch circuits my answer stands.

If we take it up to services than my answer will change.
 
But 220.14 is in Part II of Article 220, which means it is for branch circuits. In my opinion I can put 1,000 lights on a circuit in a dwelling, just like I can with receptacles.

210.20 simply says I have to satisfy the load. The load determined by Article 220.

IMO
 
I am willing to listen here as this is not something I often deal with.

So I am asking where you think 210.19, 210.20(A), 210.20(B) and 220.18 come into play?

It is my opinion that the NEC will not allow me to intentionally wire a branch circuit to fixed loads that may result in an overloaded branch circuit.
 
iwire said:
I am willing to listen here as this is not something I often deal with.

So I am asking where you think 210.19, 210.20(A), 210.20(B) and 220.18 come into play?

It is my opinion that the NEC will not allow me to intentionally wire a branch circuit to fixed loads that may result in an overloaded branch circuit.
Click to expand...

I agree, You have to assume some type of load per fixture...
 
allenwayne said:
I know I did 100`s upon 100`s of customs from spread out 11,000`s to two story 32,000.If I had to give an estimated time for 2 good knowledgable guys 1 lead and an experienced helper to wire a 7.200 3 story home (with sissor trusses for floor joists)I would have to say 6 to 9 days to do the job right.That`s an estimate determined upon my own doings and not production pace.

..
Click to expand...

Two of my best guys couldn't even rough in a custom house that size in 6 to 9 days. Not with the GC's around here. I would say 10 days to rough........7 days to finish. Price would be close to $40,000 without decorative fixtures
 
I just did a couple of 5000 square foot houses with about 75 recessed, CATV, Telephone, Burg/ fire alarm system, etc. for around $20,000. Rough - in for 2 good guys about 6 days. Finish will be about 3 days. Too many variables in OP to give any more accurate answer. Allen summarized it nicely, though.
 
I keep tabs on this type of thing with my resi crews. Track home world, a good 2-man crew will rough around 1000' per day. Large customs this drops to 6-800' per day, depending on ceiling heights, special systems, etc.
 
iwire said:
I am willing to listen here as this is not something I often deal with.

So I am asking where you think 210.19, 210.20(A), 210.20(B) and 220.18 come into play?

It is my opinion that the NEC will not allow me to intentionally wire a branch circuit to fixed loads that may result in an overloaded branch circuit.
Click to expand...

Bob, I'm going to go ahead and start a new thread for this, so we don't hijack this one. :)
 
Status
Not open for further replies.
Top