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Recent electrical questions

We're installing a heat pump pool heater about 300 feet from

We're installing a heat pump pool heater about 300 feet from our home. The heat pump is 145,000BTU, requires a dedicated 50amp circuit. In addition, we will be running a 1.5HP pool pump and some LED lighting. We'd like to run a sub panel from our home to power all of this. We're planning on running 2 1/2 sch40 conduit from the house to the pool to carry wiring. I'm just not sure if (1) I can do this without too much voltage drop and (2) if I'll have big enough lugs at my main panel to accommodate this.

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Kevin

Supervising Electrician

Diploma

 
4,056 satisfied customers
I'm going to set up a 220 power outlet 5hp 80 gallon 30 amp

Hello I'm going to set up a 220 power outlet for my 5hp 80 gallon 30 amp air compressor, power box is 20 feet from garage, what size wire should I used for ? Thank you.

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Kevin

Supervising Electrician

Diploma

 
4,056 satisfied customers
I want to install an outdoor electric receptacle (110 volt)

I want to install an outdoor electric receptacle (110 volt) outdoors in a planter. is there a minimum height requirement? (I'm talking about clearance from grade level.)

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ProGrade

Electrical Contractor

 
766 satisfied customers
I'm about to buy a 90 year old house. The inspection said

I'm about to buy a 90 year old house. The inspection said there is a junction box lying on the ground under the house in the crawl space. The sellers say the junction box was ther when they bought the house 10 years earlier. How critical is this and about how much will it cost to fix and make it safe?

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Kevin

Supervising Electrician

Diploma

 
4,056 satisfied customers
I built my dream shop which is 32' wide by 80'. It is used

Hi,I built my dream shop which is 32' wide by 80' long. It is used for mechanical work, welding and carpentry. I have a 2 post lift, large compressor, welders and carpenter tools. My load calculation came up with 186 amps for everything.I purchased the new 400 amp panel that will go on my home and my local Electrical company is changing the wire size to supply the 400 amps needed for the home and the shop.The shop I purchased a new 200 amp sub panel that technically is an interior panel installed right inside of the metal shop. So the conduit that I am running from the home to the shop is 186 feet long. And I purchased 2 1/2" conduit to run the wire through it in the ground. There are only 2 swoop 90 degree bends, one at each end and then the last 90 degree going into the building wall into the panel.If I did all my research correctly I think I have everything ironed out but want a professional to give me the thumbs up.I want to run 250,250,250 & 3/0 Rust Quadruplex Underground Secondary Distribution CableI would use the first 2 for the 2 conductors, the 3rd for the neutral and the 3/0 wire as the ground wire is that correct?

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mrromex

field supervisor

5 years of college courses

 
266 satisfied customers
I would like to Add a 220 outlet in exterior barn that has a

I would like to Add a 220 outlet in exterior barn that has a sub panel fed from main in the house. I am installing a table saw that s 220v with a max amp rating of 12.5A in my barn. There is a 110v line from a 30A breaker from the main house that comes into a small breaker box in the barn with 2 15A circuits. As of now it powers a few light bulbs and outlets. I have to double check but I think the cable from the house to the barn is 8 gauge.I'm very comfortable working on the panel in the barn since I can shut off the power completely from the main panel. I was thinking that I would have to get a new panel for the barn that has space for several breakers. Then there is some standard way of adding two of the breakers into a 220V line that I can run to my new table saw. The existing curcuits would then wire up to standard 110v breakers in the barn box.Can I do this without having to touch the main panel in the house? If so - what is the wire up on the sub panel in the barn to get a 220v line?Thanks

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Papatrexas

General contractor

Vocational, Technical or Trade School

 
48 satisfied customers
APC UPS question : How can I use APC UPS - SUA5000RM5U (208v

APC UPS question : How can I use APC UPS - SUA5000RM5U (208v 24 amps MAX, L6-30R) with L21-20R wall power ?I have L21-20P to L6-30R adapter.An APC tech talked to me, The UPS need to be de-rated to 20 amps. Do you know how to de-rate the APC ups?

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Kevin

Supervising Electrician

Diploma

 
4,056 satisfied customers
I have a 240 volt 20 amp heat pump with a 115 volt 15 amp

I have a 240 volt 20 amp heat pump with a 115 volt 15 amp pool pump. I would like to wire them using my main circuit panel. I have plenty of open spaces. Do I need to use gfic circuit breaker in the main? Do I need a quick disconnect for both. I was planning on running 12-2 wire to an outside disconnected and 12 wire from there for the heat pump. I was going to run the line direct to the pump. both would be on gfic circuit breakers in main panel. 20 amp for heat pump and 15 amp for pool pump.

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Mike G.

Master Electrician

Vocational, Technical or Trade Scho

 
9,064 satisfied customers
I HAVE A PROJECT SHELTER ,PIGS AND SHEEP PLANS NAMED

I HAVE A PROJECT FOR AGRICULTURAL SHELTER FOR COWS,PIGS AND SHEEPPLANS NAMED CORROSIVE AREASMENTIONED SHELTERS ARE CONSIDERED CORROSIVE AREA?IS MANDATORY ON NEC CODE TO INSTALL CONDUIT FOR WIRING BE RIDGID CONDUIT PVC COATED?

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Kevin

Supervising Electrician

Diploma

 
4,056 satisfied customers
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