---
title: "What Is Arcing? Electrical Glossary | Daniel Electric"
description: "Arcing is an electrical spark that jumps across a gap in a wire, connection or device and produces intense heat."
url: https://danielelectric.multisites.ai/glossary/arcing
publisher: Daniel Electric
phone: +1-817-481-8606
quote: https://danielelectric.multisites.ai/contact
---

Wiring and circuits

# Arcing

Arcing is an electrical spark that jumps across a gap in a wire, connection or device and produces intense heat.

Current normally flows through a solid path. When wire is damaged, a connection is loose or insulation breaks down, current can jump a small gap as an arc. The heat can ignite nearby material. An [arc fault](https://danielelectric.multisites.ai/glossary/arc-fault) breaker, known as an [AFCI](https://danielelectric.multisites.ai/glossary/afci), is built to detect this and shut off the circuit.

OSHA's rule for electric equipment says parts that produce arcs or sparks in ordinary operation must be enclosed or isolated from combustible material. If you see sparks from an outlet or hear sizzling, stop using it and call a licensed electrician. See [electrical warning signs](https://danielelectric.multisites.ai/guides/electrical-warning-signs).

[Daniel Electric can helpResidential electrician](https://danielelectric.multisites.ai/electrician)

## Related terms

-   [Arc fault](https://danielelectric.multisites.ai/glossary/arc-fault)
-   [AFCI](https://danielelectric.multisites.ai/glossary/afci)
-   [Buzzing outlet](https://danielelectric.multisites.ai/glossary/buzzing-outlet)
-   [Hot outlet](https://danielelectric.multisites.ai/glossary/hot-outlet)

## Sources

1.  [OSHA: 1910.303 General requirements](https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.303)
2.  [Electrical Safety Foundation International: Arc-Fault Circuit Interrupters (AFCIs)](https://www.esfi.org/arc-fault-circuit-interrupters-afcis-prevent-electrical-fires/)

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