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  • Average homeowner rating star icon4.7
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*The Angi rating for Electrical Service companies in Del Rey, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Electrical Service needs.

*The HomeAdvisor rating for Electrical Service companies in Del Rey, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Electrical Service needs.

Last update on April 24, 2026

Electrical questions, answered by experts

Compared to amps, volts, and watts, ohms are a different kind of measurement, though also very common. Ohms show the resistance of materials like wiring: How much they impede the flow of electrons. The reason household wiring is usually copper or aluminum is that these materials are affordable and also have lower ohms, which means low resistance/high conductivity.

You can determine whether you have a double-pole switch by examining its wiring. Unlike single-pole switches, which have two brass-colored terminals, double-pole switches feature four. These switches are typically only found near high-powered appliances such as electric furnaces or water heaters. If you’re unsure what type of switch you have, contact a local electrician to confirm.

You can verify an electrician’s license with your local licensing department and request proof of liability insurance from your electrician. You may also want to seek out online reviews for first-hand testimonials.

A larger heater requires a larger breaker—unless there’s one already installed. The longer answer to this question is more nuanced. Do you place demands on the heater at the same time as running other heavy-duty appliances like ovens and washing machines? Do you live in an older home that may not have considered the higher electrical demands we have now? Breakers need to be sized at 125% of the load. To find that load, you should call a local electrical pro.

Yes, standard dimmer switches should never be used to control a ceiling fan motor. They’re designed for lighting, not motors, and they can cause humming, overheating, or permanent damage. You should only use switches that are specifically labeled for fan speed control.

The Del Rey, CA homeowners’ guide to electrical services

From average costs to expert advice, get all the answers you need to get your job done.

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