reverse polarity


Also found in: Acronyms.

reverse polarity

[ri′vərs pə′lar·əd·ē]
(metallurgy)
An arc-welding circuit in which the electrode is connected to the positive terminal.
References in periodicals archive ?
This is a valuable safety feature, as not only does the panel indicate a potentially dangerous reverse polarity but, in addition, the main breaker trips automatically and will not engage as long as the polarity is reversed," said Quiros.
Characterizing the cabling and system components in a WLAN system, both in development and in production, is easily done with the ability to adapt standard type N interfaces to the unique variations of reverse polarity TNC connectors.
It is characterized by a jigsaw-like configuration of the ameloblasts, which exhibit a reverse polarity of cells (also known as Vickers-Gorlin change), and a stellate reticulum in the center (figure l).
The transmitter features 10 psid overpressure, reverse polarity protection, EMI/REI protection and a 4-20 mA output.
2) with the features that bring service advantages to the operator, such as reverse polarity and metering pulse features.
It includes reverse polarity protection, molded BNC and power connectors, and resolution of 420 TV lines.
Available in 2-wire AC/DC or 3-wire DC, all models of the MiniPro are protected against short circuit, reverse polarity and false pulse.
They offer reverse polarity and short circuit protection.
The Command Console Compact also has advanced diagnostics that indicate faulty wiring, reverse polarity and damage to protection circuitry.
To help protect both electronic devices and their users, Fairchild Semiconductor (NYSE: FCS) now offers a new line of low-power, application-specific, reverse polarity protection switches which also feature optional over-voltage transient protection.
Other electronic protection includes inrush current limiting, reverse polarity protection, output current limiting with short-circuit protection and thermal shutdown with auto-resetting.