· Reference Entry

reefer plug

reefer plugs (pl.)

//ˈriːfə plʌɡ//
//ˈriːfər plʌɡ//
noun ree-fer PLUG

An electrical socket at a port, on a ship, on a trailer, or in a container yard that supplies power to a refrigerated container (reefer) to keep its contents cold.

Published 2026-10-04 Category: Reviewed by Alex Grant, Editor-in-Chief
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01

Definitions #

An electrical socket at a port, on a ship, on a trailer, or in a container yard that supplies power to a refrigerated container (reefer) to keep its contents cold.

Technical A designated power outlet that provides three-phase electrical supply to a refrigerated container unit, enabling temperature-controlled cargo to remain within specified setpoints during transit or storage.

02

Etymology #

Short for 'refrigerated container plug'; 'reefer' is a colloquial shortening used in shipping since the mid-20th century.

03

Collocations #

  • reefer plug availability 确认是否有可用插口用于冷藏集装箱供电
  • plug-in reefer 需要外接电源的冷藏集装箱
  • reefer plug capacity 港口或堆场可同时供电的冷藏集装箱数量
04

Real Business Examples #

  1. The container yard has 500 reefer plugs, and any reefer without a plug will be rejected.
  2. Ensure the reefer plug is properly connected before the cargo is loaded onto the vessel.
  3. If the reefer plug fails during transit, the carrier must provide an immediate replacement to avoid temperature excursions.
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05

Register & Variants #

  • Register: neutral
  • BrE/AmE: 全球通用,美式常用 'reefer plug',英式有时用 'reefer connection'.
06

Synonyms & Antonyms #

  • Synonyms: reefer connection, refrigerated container power outlet
  • Antonyms: generic container socket (非冷藏专用插口)
07

Common Errors #

  • 把 reefer plug 与普通集装箱插口混用 只能使用冷藏专用插口,普通插口无法提供制冷所需的电压和频率
  • 认为插上电就万事大吉 必须检查插头类型(如 male/female)、电压匹配,并检查温度记录仪是否正常
08

Confusable Terms #

genset vs reefer plug
genset 是安装在冷藏集装箱底部的柴油发电机,用于无电力供应的运输段;而 reefer plug 是固定基础设施提供的电源接口
09

Frequently Asked Questions

冷藏集装箱在船上没插电会怎样??

冷藏货物会迅速升温,导致货损;因此所有已插入 reefer plug 的集装箱都会在船上持续供电

那陆运时怎么办??

在拖车或公路上通常使用 genset 或底盘电池持续供电,到达港口再接入 reefer plug

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Published: 2026-10-04 Category: