Consumer and small commercial electrical lines must be buried between 6 and 24 inches underground, while large commercial and industrial lines must be buried between 30 and 36 feet underground. Electrical lines for carrying current to a home or building must be buried deep enough to avoid digging accidents by homeowners and others.Know More
Consumer or small commercial lines are often encased in different gauges of conduit before being buried at a depth of 24 inches. Electrical lines may be buried at other depths as well. For example, some projects use a depth of 6 inches when the line is encased in half-inch gauge metal conduit with waterproof conductors.
Direct-bury underground feeder (UF-B) line can be buried at a depth of 12 inches if it meets certain criteria. It must have GFCI protection before it is buried and the line being buried is limited to 120 volts and must use no higher than a 20-amp fuse or breaker.
THWN-2 conductors inside PVC must be buried at a depth of 18 inches, while UF-B line must be buried at 24 inches or deeper.Learn more about Electrical
To set an Intermatic wall switch timer, erase the earlier timer settings, set the time dial in half-hour increments, set it to the current time, position the dial in the On and Off settings, and press it to set the time. Turn the time dial until a red light blinks.Full Answer >
A Magnehelic gauge works by using a sensitive diaphragm that responds to changes in pressure. When pressure is forced on the diaphragm the dial of the Magnehelic gauge points to a number representing the amount of pressure.Full Answer >
Since 3- and 4-prong outlets are installed to accept cords that are wired differently, it is not recommended that 3-prong plugs be plugged into 4-prong outlets. Instead, it is recommended that 3-prong cords be converted to 4-prong cords via an adapter.Full Answer >
On eBay, a plastic exterior dryer louvered vent cover costs between $5.38 and $8, as of February 2015. The price of an exterior house vent cover depends on the type of vent and the materials that are used.Full Answer >