The Mastech MS112 is a 3-wire outlet tester designed for rapidly checking the wiring integrity of standard electrical receptacles. It is an essential safety and diagnostic tool for electricians, inspectors, and homeowners.
Key Features
Voltage: Designed for use with 125V AC outlets.
Indicators: Features a combination of LEDs and a buzzer for clear signaling of wiring faults.
Safety rating: Certified with a CAT II 125V safety rating, ensuring safe operation for standard residential electrical outlets.
Form factor: Lightweight and portable, with a compact design that fits easily into a toolkit.
NCIEM America – National Company of Industrial Equipments Marketing America, LLC Business Type: Domestic Limited Liability Company (LLC) State Registration Control Number: 25036795 TAX Number: 309-060341
Business & Operational Address:
NCIEM America LLC 191 Peachtree St., Suite 1400 Atlanta, GA 30303 United States
Business Hours: Monday – Friday: 9:00 AM – 6:00 PM (EST)
Order Cut-off Time: 6:00 PM (EST) Order Processing & Shipping Policy: Order Processing Time: 4–5 business days
Returns & Refund Policy: We offer a simple 30-day return and refund policy. For any return or support request, please contact our customer service team.
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