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It depends on the size of the service to be installed. For a 200 amps service, a free standing mast is 2 inch rigid steel galvanized pipe and schedule 40 in strength.
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What are the advantages and disadvantages of steel junction boxs?
There are no advantages or disadvantages over which type of junction box to be used on electrical wiring. As long as the junction box is of an approved type (CSA or UL approved). It is cost or location which dictates which boxes will be used. PVC boxes for home wiring are the cheapest. Aluminium or steel are usually used in rigid or EMT conduit systems. PVC again when the conduit system involves underground wiring. In large electrical installations it is the electrical engineer that states what the conduit system type is and what type of electrical junction boxes that must be used.
Electrical metallic tubing would be used in an electrical installation because it?
The type of conduit system is governed by two factors. One the code book states what type of system can be places in what specific locations. The second factor is what the electrical engineer specifies that what he wants the conduit system to be on his project. EMT is used in the majority of jobs for industrial and commercial projects. As a conduit system it is easy to install and more circuits can be added to the system very easily abiding by the code book rules for conduit fill.
Is a separate ground wire required for each circuit in a conduit?
Not normally. An elaboration of what circuits are in the conduit and what type of conduit it is would be useful, though, and necessary to give a definitive answer.
How many number 12 thhn wire can you fit into half inch conduit?
9 - Is this a test answer or do you just want to know for a project you're doing? Take a look at NEC chapter 9 - tables 4 and 5 (in the 2005 edition at least)
Installing a electric service pole for mobile home service?
This type of project is best left to an electrical contractor. The pole has to be permitted and inspected. When the electrical inspector is satisfied that the installation is safe he will submit his connection form to the utility company for a connection to their lines.
What is a service mast?
a service mast is a word that you use for any type of science project but especially for the math problem.
What are the advantages and disadvantages of steel junction boxs?
There are no advantages or disadvantages over which type of junction box to be used on electrical wiring. As long as the junction box is of an approved type (CSA or UL approved). It is cost or location which dictates which boxes will be used. PVC boxes for home wiring are the cheapest. Aluminium or steel are usually used in rigid or EMT conduit systems. PVC again when the conduit system involves underground wiring. In large electrical installations it is the electrical engineer that states what the conduit system type is and what type of electrical junction boxes that must be used.
Electrical metallic tubing would be used in an electrical installation because it?
The type of conduit system is governed by two factors. One the code book states what type of system can be places in what specific locations. The second factor is what the electrical engineer specifies that what he wants the conduit system to be on his project. EMT is used in the majority of jobs for industrial and commercial projects. As a conduit system it is easy to install and more circuits can be added to the system very easily abiding by the code book rules for conduit fill.
What type of conduit is used for 480 volt 3-wire?
Conduit is just a medium to get the wires from one place to another. There is no voltage restrictions in low voltage wiring (750 volts or less). When it comes to conduit fill, electricians are governed by the electrical code conduit fill tables. The conduit is sized to accommodate the conductor size for a specific load.
What is Cable type electrical service?
cable tv
Which one is cheaper PVC conduit or emt conduit?
PVC is cheaper but is used differently. PVC is usually baried in ground and emt usually runs exposed. You can use PVC exposed if it is schedule 80 gray PVC electrical conduit. Schedule 40 is for under ground
Is a steel sleeve a type of conduit?
In the true definition of a conduit yes a steel sleeve is in that category.
A verb meaning to examine for the purpose of suppressing or deleting?
we are manufactruer of p v c pipe for drawing of electrical wire to save fire in building this type of conduit manufacturing
Is a separate ground wire required for each circuit in a conduit?
Not normally. An elaboration of what circuits are in the conduit and what type of conduit it is would be useful, though, and necessary to give a definitive answer.
How many number 12 thhn wire can you fit into half inch conduit?
9 - Is this a test answer or do you just want to know for a project you're doing? Take a look at NEC chapter 9 - tables 4 and 5 (in the 2005 edition at least)
How many markings should a rigid nonmetallic conduit have?
There will be at lease three and on some conduits additional information. There will be the manufacture's name, type of material the conduit is manufactured from and the diameter size of the conduit. For example Scepter PVC 100 mm (for American customers 4") conduit.
Do you use EMT or Rigid conduit in restaurant?
It depends upon the construction of the building as to what type of electrical system is used. If the building is of a wood frame then ordinary home wiring system can be used. If the use of steel studs is involved then BX has to be used for the internal wiring. Where the cables come out of the walls to equipment, they have to be mechanically protected with conduit or flexible conduit. If the building is block or brick and the wiring system has to be installed on the surface, the system has to be conduit. If the installation is not engineered and no stipulation as to what type of conduit system has to be used, then go with EMT. EMT systems are labour and material wise cheaper than a threaded rigid system. To make the job look professional you need to hire someone that is good at bending EMT conduit. Ask to see other jobs that the contractor has done before letting out the contract.
