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A lightning arrestor is a device used to protect electrical appliances from lightning strikes. They are typically found along power lines located outside of a residence, usually next to transformers, installed between the line and the earth, and working in parallel with the other components of the substation. The arrestor appears as a spiral-shaped metal device placed on the line to protect the nearby electrical system.
Flame Arrestor: A safety device designed to prevent the transmission of flames through flammable gas or vapor mixtures. It allows the free flow of gases but interrupts or prevents the passage of a flame, thereby protecting equipment and processes from explosions.
Detonation Arrestor: A type of flame arrestor fitted to the opening of an enclosure or the connecting pipe work of a system of enclosures. Its primary function is to allow flow but prevent the transmission of flame propagating at supersonic velocity.
When a lightning bolt strikes an arrestor, it diverts the abnormally high voltage away from or around the home and into the ground, ensuring the electrical supply remains unaffected.
The lightning arrestor electrical symbol is a graphical representation of the device used to provide engineers a concise reference for its position within the circuit without requiring a physical examination.
It is depicted as a rectangle (the arrestor) with an arrow pointing down (the direction of the voltage) into it.
Skip the tedious process of drawing a lightning arrestor symbol in electrical schematics with Capital X Panel Designer! With this electrical CAD software, you can browse its extensive library for the symbol of the lightning arrestor and drag and drop it into your schematic layout, significantly boosting your production speed.
Learn more about how to create custom electrical symbols.
Flame Arrestor - Detonation Proof
Flame Arrestor - Explosion Proof
Flame Arrestor - Fire Resistant Detonation
Please visit the Capital X Panel Designer Community to request this symbol.
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