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Electrical safety guide

Warning Signs That Deserve an Electrician's Attention

Electrical symptoms can have more than one cause. These signs help describe the affected equipment and urgency; an on-site evaluation determines the actual fault.

Repeated breaker trips

A breaker that repeatedly opens may be responding to an overload, short circuit, ground fault or equipment problem. Repeatedly resetting it without finding the cause is not a repair.

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Flickering or dimming lights

Loose connections, a heavily loaded circuit, incompatible controls or service-related voltage changes can produce visible light fluctuations. Note whether the symptom affects one fixture, one circuit or the whole property.

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Burning odor, heat or discoloration

A hot device, scorched cover plate, melting odor or smoke can indicate overheating. Stop using the affected equipment. For fire, smoke or immediate danger, leave the area and call 911.

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Buzzing, crackling or sparking

Unusual sound or visible sparking at a panel, outlet, switch or appliance connection deserves prompt professional attention.

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Loose, dead or damaged outlets

A receptacle that no longer grips a plug, has visible damage or intermittently loses power may need device, connection or circuit repair.

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Older aluminum wiring

Some older properties contain aluminum branch-circuit wiring. Identification and accessible connection evaluation help determine appropriate next steps.

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Knob-and-tube wiring

Legacy knob-and-tube wiring may coexist with later alterations. Its condition, loading, insulation contact and accessible splices should be evaluated before a scope is recommended.

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Missing ground-fault or arc-fault protection

GFCI and AFCI devices address different electrical hazards. Protection needs depend on circuit location, use and applicable requirements.

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Know when to call 911 first

If there is an active fire, visible smoke, an immediate shock hazard or a life-safety emergency, move to safety and call 911. Do not open an electrical panel or handle damaged conductors unless you are trained and authorized to do so.

Talk to an electrician

Concerned about an electrical warning sign?

Tell us what is happening. Call now for electrical repair, installation, upgrades, inspections or urgent assistance.

Call 844-335-0814
Call 844-335-0814