How to install electrical boxes
By Mark j. Donovan
Electrical boxes during the installation of nails of wall or ceiling joists is important to take into account for the thickness of the finished walls and ceilings when assembling them. Installing with pre-electrical boxes marked tabs or reference lines on them is useful to ensure that they are installed in some depth on the wall studs.Be sure to buy electric switch boxes and container that meet local and national electrical codes. in addition, be sure to install electrical boxes of the right size and type for the particular application.
Electrical boxes have ratings stenciled patterns on them for how many cable wires that can be placed on them. If more cables are brought into an electrical box than it is sorted for the risk of broken and shorted wires.
Electrical nonmetallic Boxes are today more prevalecentemente used by suppliers of electricity.They are cheap and easy to install. Furthermore, unlike metals electrical boxes do not have to be grounded.
Electrical nonmetallic Boxes are however somewhat fragile and therefore you have to be careful when nailing them to wall studs for not crack-los.com some of the largest non-metallic electrical boxes is advisable to put some lock behind them, so that its surface front remain parallel and rigid.
Metals electrical boxes by hand are rigid and can be ganged together. However electrical metal boxes must be electrically grounded and are more expensive.
How to install electrical boxes
To install electrical boxes, whether electrical outlet or electric switch boxes, make sure that you mount them directly and level and height by national and local electrical codes. Many of the most common electrical nonmetallic come with already integrated into them and nails with lines of installation depth or reference guides on them.With these types of electrical box all you need to do to install the electric box is secure it in place so that it relatively out to the finished wall thickness and nail it to the prisoner.
Photo by Mark Donovan
To install cables on an electrical box using a pair of lineman pliers or a screwdriver to knock out the knock-out required and the power cables on the electrical box. make sure all ground wires associated with the input cables are tethered by national and local electrical codes.Finally properly Strip and connect the wires of blacks, reds and whites to outlet receptacles and switches as specified by their manufacturers.
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