How to Wire a Phone Line

簡単にわかる! How to Wire a Phone Lineの対策を順番に解説します。

Plug the phone back in. Listen for a dial tone. If you hear that steady hum, dance a little jig. If not, don’t panic: check your wire connections. Did you strip enough? Is the screw tight? Ninety percent of “failures” are just a loose connection. You’ve got this.

Pro-tip: The “red-green” cheat

In older homes, wires can be a mess of colors. Here’s your secret weapon: any pair of wires that gives you a dial tone is the right pair. Use a multimeter to test for voltage (around 48 volts DC). No multimeter? Just touch wires together until you hear a spark—literally (it’s safe, I promise).

池田 達也

池田 達也

マネー&キャリアエディター

Webメディアでの編集・執筆歴10年。読者の好奇心を刺激するストーリー作りを心がけています。