Description
The Triplett Line-Bug™ 4 is a simple tester to determine if there is damaging line current on RJ-11 and RJ-45 lines.
Features
- Protect your expensive LAN tester – checks LAN Lines (RJ-45) wired to 568 A/B standard for damaging telephone line current
- Has both RJ-11 and RJ-45 style plugs
- Test telephone lines for loop current and polarity
