Yes, electricians must be licensed, certified, and in most cases, insured. Licensing requirements vary by state and local municipality, but most U.S. municipalities require electricians to hold an electrical contractor’s license. It's always a good practice to confirm requirements with your local municipality. Even if licensing is not required in your area, hiring a licensed and experienced electrician often leads to a better end result.

A license is a legal requirement to operate a business and is necessary for pulling project permits. Certifications, on the other hand, are typically voluntary and demonstrate a certain level of expertise. In some cases, a certified electrician may send an apprentice or journeyman to perform the work, but they must operate under a primary electrician who holds the proper license.

Before hiring, you should verify the electrician's license, insurance coverage, and any third-party certifications. You can use Angi’s contractor licensing search to confirm a pro's license status. Additionally, businesses with the “Angi Approved” badge on our platform meet strict criteria, including having the required state and local licenses, passing a background check, and maintaining a high average rating.

To prevent a plug from overheating, always ensure that the electrical load connected to the plug does not exceed the plug's capacity. If the plug feels hot to the touch or emits a burning smell, immediately shut off the circuit breaker and unplug all devices from the hot outlet. Prevent electrical fires by avoiding using extension cords or adapters with the plug, as they can cause it to overheat due to increased resistance. Additionally, ensure that the plug is properly inserted into the outlet and that the outlet is not damaged or loose. 

In many cases, yes, upgrading your electrical panel can lower your electric bill. Upgrading an outdated electrical panel can make your home more energy-efficient, so you consume less electricity and spend less on utility bills. However, to see these savings, you’ll need to invest quite a bit. On average, installing a new electrical panel costs $1,200 to $2,000, with most people paying around $1,600.

You can check if an electrician is licensed in California by using the online check a license tool offered by the Department of Consumer Affairs Contractors State License Board. You have the option of searching by the license number, the electrical contractor’s name, or the name of the business to determine the electrician’s status.