Definition

surge suppressor (noun) 1. A protective electrical device: An electrical device designed to be inserted into a power line or outlet. Its primary function is to protect connected electronic equipment from damage caused by sudden, brief increases in voltage (power surges or spikes) in the electrical current.

Usage

• A surge suppressor is a common and recommended accessory for computers, televisions, and other sensitive electronics.
• It is typically a strip of multiple outlets with a built-in protective circuit.
• The term is often used interchangeably with "surge protector," though "suppressor" more precisely describes its function of suppressing or clamping the excess voltage.

Examples

• "Always plug your home theater system into a surge suppressor to protect it during thunderstorms."
• "The office installed surge suppressors on all critical servers after a power spike damaged a hard drive."
• "Not all power strips are surge suppressors; check the product specifications for its joule rating."

Advanced Usage

• Joule Rating: The key specification for a surge suppressor is its joule rating, which indicates its energy absorption capacity. A higher rating means greater protection.
• Clamping Voltage: This is the voltage level at which the surge suppressor begins to divert excess electricity away from your devices. A lower clamping voltage generally indicates better protection.
• UL 1449 Standard: In the United States, a surge suppressor should be certified to meet the UL 1449 safety standard for transient voltage surge suppressors.

Variants and Related Words

• Surge Protector (noun): A common synonym for surge suppressor.
• Transient Voltage Surge Suppressor (TVSS) (noun): A more technical term used in electrical engineering for the same type of device.
• Power Strip (noun): A device with multiple outlets, but it may or may not include surge suppression functionality.
• Uninterruptible Power Supply (UPS) (noun): A device that provides battery backup typically includes superior surge suppression.

Synonyms

• Surge protector
• Spike suppressor
• Voltage suppressor

Related Phrases

• To suppress a surge: This phrase describes the core action of the device.
  • Example: "The device's metal oxide varistors (MOVs) work to suppress the surge before it reaches your computer."
• Plug into a surge suppressor: The standard phrase for using the device.
  • Example: "For safety, you should plug your expensive equipment into a surge suppressor."

Noun

1. electrical device inserted in a power line to protect equipment from sudden fluctuations in current