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In this video, Master electrician Scott Caron installs a new panel to complete a service upgrade. Use diagonal-cutting pliers to sever all wires inside existing electrical panel. Unscrew and remove old electrical panel from the wall. Screw a large ¾-inch-thick plywood panel to the wall for mounting the new electrical panel. Feed the SE cable through the top of the new electrical panel, then screw the panel to the plywood. Make all the electrical connections inside the electrical panel. Feed the house circuits into the panel, making sure each cable passes through a cable connector. Connect the bare-copper ground wires and white-insulated wires to the ground and neutral bar inside the panel. A: The National Electrical Code (NEC) governs the size of the electrical panel for new homes or remodeled homes. Check with your local building department to see which version is followed in your area.If you’re considering doing some electrical work on your home, please heed this word of caution.Multiple lights and most outlets can be run on a single circuit. The larger the wire, the greater the load it can handle safely without getting hot or causing a fire. Generally a 14-2 Romex cable will serve most outlets.But devices such as microwave ovens, cooktops, ovens and clothes dryers require a dedicated circuit. This means two insulated 14-gauge wires and one bare wire encased in a rubber sheath.
Modern appliances such as electric cooktops, ovens, clothes dryers and air conditioners, as well as mixers, hair dryers and so forth, can eat up panel space in a hurry.For example, dropping a new wire from the attic into drywall walls in a modern house is much easier and less expensive than trying to fish wire through old plaster walls from a muddy crawlspace.It's a good idea to keep in mind that these costs are an investment and can increase the value of your home when it comes time to sell.Here are a few rules of thumb when thinking about the electrical requirements in your house: 1. The black wire is the "hot" wire; the white wire is the neutral wire; and the bare wire is the ground wire. Vacuum cleaners and lamps operate just fine on this amperage.Most home plug circuits are wired with 14-2 Romex that supply up to eight outlets per circuit.
You recommended that he upgrade to a 200-amp main electrical panel. Is 200 amps the new baseline standard for residential electrical service?