Definition of Underwriters’ Knot

An Underwriters’ Knot, also known as an Electrician’s Knot, is a type of knot used primarily in electrical wiring. It is designed to prevent the wires from being pulled out of their fittings or terminals when a cord is tugged on, which could potentially cause a short circuit or other electrical problems.

The Underwriters’ Knot is named as such because it was a requirement by insurance underwriters to reduce the risk of electrical fires. It’s a simple yet effective way to secure the wiring in electrical appliances, lamps, and other devices.

How to Tie an Underwriters’ Knot

Here’s a basic step-by-step guide on how to tie an Underwriters’ Knot:

1. Take the two ends of the wire.
2. Make a loop with each wire, ensuring the end of each wire is pointing in the opposite direction.
3. Pass the end of each loop through the other loop.
4. Pull on the ends of the wires to tighten the knot.

Remember, always ensure to follow safety guidelines when working with electrical wiring. If you’re unsure, it’s best to consult with a professional electrician.

[Photo: Underwriters’ Knot by Bekathwia]