LINE VOLTAGE TESTER USER’S MANUAL CT101 Please read this manual carefully and thoroughly before using this product.
KEY FEATURES • Visual indication of AC or DC voltage • Easy to use • UL approved • Safe for CAT III 600V use • Insulated housing • Pocket clip on back SAFETY INSTRUCTIONS DANGER Electric Shock Risk Ꮨ Warning Ꮨ DANGER Electric Shock Risk To avoid possible electric shock or personal injury, and to avoid damaging the tester or the equipment being tested: • Do not use the CT101 in any way not detailed in this manual or the tester's safety features may be compromised.
voltages above 42VACRMS or DC voltages above 60VDC. Both pose a shock hazard. • Before using the tester, inspect the case. Do not use the CT101 if the case is damaged. Look for cracks or missing plastic. Pay particular attention to the insulation around the connectors. • Do not operate the tester around explosive gas, vapor, or dust. • When using the probes, keep your fingers behind the finger guards. Never touch the metal ends of the probes when making a measurement.
Insert one probe into the narrow (“hot”) slot of the receptacle and the other into the wide (neutral) slot. Either probe can go into either slot. If the line is “hot”, the orange neon bulb at the end of the tester will glow. To test whether the circuit is grounded, insert one probe into the narrow (“hot”) slot and the other into the ground slot. Be sure to push the probe all the way into the ground slot to be sure that it makes contact. The neon bulb will glow if the receptacle is grounded.
narrow slot is “hot”, and the wide slot is neutral (grounded). If the bulb does not glow, the screw is not grounded, the wide slot is “hot”, and the narrow slot is neutral. Three-Wire 220VAC Receptacles NEUTRAL Insert the first probe into the round (neutral) hole and the second probe into either rectangular slot. If the bulb glows, that slot is “hot”. Then move the second probe to the other rectangular slot. If the bulb glows, that slot is also “hot”. Finally, insert the probes into both rectangular slots.
WARRANTY INFORMATION General Tools & Instruments’ (General’s) CT101 Line Voltage Tester is warranted to the original purchaser to be free from defects in material and workmanship for a period of one year. Subject to certain restrictions, General will repair or replace this instrument if, after examination, the company determines it to be defective in material or workmanship. The warranty period begins on the date of purchase. You are encouraged to register your product online.
Acceptance of the exclusive repair and replacement remedies described herein is a condition of the contract for purchase of this product. In no event shall General be liable for any incidental, special, consequential or punitive damages, or for any cost, attorneys’ fees, expenses, or losses alleged to be a consequence of any damage due to failure of, or defect in any product including, but not limited to, any claims for loss of profits. Register now at www.generaltools.
Service Center at this address: General Tools & Instruments 80 White Street New York, NY 10013 212-431-6100 Remember to include a copy of your proof of purchase, your return address, and your phone number and/or e-mail address. GENERAL TOOLS & INSTRUMENTS 80 White Street New York, NY 10013-3567 PHONE (212) 431-6100 FAX (212) 431-6499 TOLL FREE (800) 697-8665 e-mail: sales@generaltools.com www.generaltools.
