UNI-T UT08B Receptical Tester

From the shop's description

UNI-T UT08B Receptical Tester The UNI-T UT08B is a plug-in receptacle tester designed to quickly verify the correct wiring of 3-wire AC outlets. Rather than using complex instruments or needing to access internal wiring, a user simply inserts the tester into a standard socket. The device then illuminates combinations of LEDs to indicate whether the hot, neutral, and ground lines are correctly connected—or whether there are wiring faults such as reversed polarity or open circuits. Beyond basic wiring diagnostics, the UT08B includes a GFCI / RCD test function: it can simulate a 6–9 mA leakage current to check whether a protective device (GFCI/RCD) will trip as intended. This turns the UT08B from a simple wiring indicator into a safety verification tool. The housing is molded for minimal bulk, allowing it to be carried easily, and the LED indicators are positioned for quick readability. Because it draws minimal current (≈0.3 W) during operation, it remains safe to leave inserted for short checks. In real-world use, the UT08B becomes a go-to tool for electricians, site inspectors, and DIYers wanting a fast check before plugging in equipment. It helps identify potentially dangerous wiring faults—missing ground, reversed hot/neutral, or incorrectly wired circuits—without disassembly. The built-in GFCI test function adds a layer of safety validation. For anyone needing to verify receptacle safety in homes, offices, or commercial installations, the UT08B offers a compact, user-friendly option. Features: LED indication of wiring status (various patterns). GFCI (RCD) test capability (6–9 mA). Detection of open ground, open neutral, open hot. Indication of reversed hot/neutral or hot/ground. Compact plug-in design. Low power consumption. Simple, intuitive use. Specifications: Specifications Range UT08B Operating voltage 110~125VAC √ Operating power 0.3W √ Working frequency 50~60Hz √ GFCI 6~9mA √ Contact Indicator Open Ground √ Open Neutral √ Open Hot √ Hot/GND Reverse √ Hot/NEU Reverse √ Correct √ Features LED Indicator √ GFCI √ General Characteristic Power 110~125VAC Product Color Red and Grey Product Net Weight About 36g Product Size 55mm × 44mm × 27mm Applications: Receptacle wiring verification. GFCI / RCD safety test. Fault detection in wall outlets. Pre-use safety check of sockets. Package Contents: 1x UT08B Receptacle Tester (main unit) 1x English user manual / instruction guide 1x (Often included packaging / card) Documents: Datasheet User Manual