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Electrical Conduit Repairs
An electrical conduit refers to a piping system that is designed to route and safeguard electrical wires. Conduits can be constructed out of plastic, metal, fiber, and fired clay and are usually installed by electricians at sites where they are installing electrical equipment.
regulations like the U.S. National Electrical Code or local code typically lay down rules for the use, form, and installation of conduits.
Listed below are a few questions answered by electricians on issues relating to conduits.
How do I pull new wire through a conduit that already contains a few wires?
What you could do is take one of the wires already present in the conduit and pull the new wire, along with wire pulling lubricant. Then replace the wire that you used as a pull.
Does an underground cable have to be in conduit after leaving the pole and before reaching the house?
You don’t have to do this although it is highly advisable that you do. It would serve as cheap insurance and prevent you from replacing or repairing the cable in case a stone damages it.
Can you give me a few tips on how I can free a stuck conduit locknut inside an outlet box? I only have access to the inside of the outlet box.
Use a screwdriver and a pair of lineman’s pliers to help you. There are two ways to do this. The locknut will either break free and begin to turn, or you can go on hitting it till it breaks off. Thereafter, you can lift it off the pipe. If you use Klien locknut pliers, you would need more room to help you and in the event that you might have distorted the edge of the locknut, the pliers won’t be able to get a hold of it.
I need to replace a rusted conduit pipe that feeds our house with the mains electricity supply. Unfortunately, this runs through an acre of rocky undulating bush. How can I go about doing this?
You would need to find a local Vermeer Trencher rental or an excavation contractor to help you get the pipe replaced.
In Marysville, WA, how deep does one have to bury a Type UF-B outdoor cable to comply with code?
This kind of cable needs to be directly buried without conduit, and it should be buried 18” deep.
If you decide not to use conduit, do you need a service head?
This would all depend on the needs of your utility. For example, some utilities allow a goose neck on service cable while all the others require a weather head. You wouldn’t need to run conduit to use a weather head since it is made up of metal and PVC.
For more information, visit this link:
Oval Service Cable Cap, 3#1 0-#4 0 # XXXXX by Halex
Conduit needs to be cut properly during the installation process so that it works well and is compliant with building and zone codes. To begin with, remove all wires inside the conduit before you start on a remodelling project. Then, decide how long you want the conduit to measure and mark the measurement. After this, mount the conduit in a vise, in such a way that it doesn’t twist or move. Then use a hack saw to cut the conduit and ensure that the cut measures a perfect square (90 degrees) at the end of the pipe. Finally, smooth away any burrs or shards with a carpenter’s file around the cut.
Recent Conduit Questions
I have a 30' run. 1/2 conduit used. I ran 2- #6 stranded,
I have a 30' run. 1/2 conduit used. I ran 2- #6 stranded, 2- #12 stranded one neutral, one ground, and 1- #12 hot. I am running an electric dryer, 3 prong cord. I was told that I could use the conduit as a ground also. Question- can I hook up the dryer with the 2, #6's and use the conduit as the ground which I was told. Or, can I use the 2, #6's with the 2-#12's tied together as a neutral (which will be terminated at the panel in the same place as the neutrals). As far as the hot, can I tie another neutral wire to the 2-#12's twisted together for the washer to supply power 110v for the washer. Or, should I just rip it all out and try to get 3-#10S for the dryer and a seperate hot and neutral for the washer. I had this wire and I thought I could get it to work properly, but I don't want to be doing something that may be dangerous. Thanks
I am running a circuit for a hot-tub. My home was built in
I am running a circuit for a hot-tub. My home was built in 1962 and already has a dedicated circuit that used to run pumps for an old, in-ground swimming pool that is now filled in (the "Old Pool Circuit"). The Old Pool Circuit is a 60-Amp Square D Box located right next to the main service entrance for the house and has room for two, 3"long cartridge fuses. I have already run #6 wires in conduit to where the spa shot off will be located. The Spa Shut off has one 20 amp GFCI Circuit breaker and one 30 amp GFCI Circuit breaker. My question relates to the size fuses to install into the Old Pool Circuit Box. The lowest Amp Cartridge Circuits I could find at Home Depot that measured 3" long were 35 amp fuses. Can I install 35 Amp Fuses in the two fuse receptacles in the Old Pool Circuit Box?
I have a question about running an external conduit from a
I have a question about running an external conduit from a recessed panel. I am going to install a sub panel in an attached garage for a small woodshop. Over the last several years I have had electricians run external conduits from the main panel. One was for a spa and the other to connect a solar inverter. In both cases they drilled through the siding about 1 foot below the main panel and used an lb to connect conduit and wiring into the panel.
So, the wire just comes out the back of the lb, inside the wall and is fished up through a knockout in the bottom of the panel? I see there is a grommit around the knockout to protect the wire where it comes in the panel. Is anything else needed for the lb (any kind of fitting) where it goes into the wall?
I have a second question which is real similar to the first. In the garage, the sub panel is recessed. The walls are sheetrock so I will run 1/2" emt. Can I do the same thing, meaning use an lb just below and above the sub panel, to access the recessed panel. If so, is there anything in code that says how close to the panel the lb needs to be? I guess I'm concerned about loose (unprotected) wire inside the wall. Is it OK to do that for several inches, feet, or not at all?
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