open wire: Conductors that are separately supported with insulators on poles or towers above the surface of the Earth. … Note 2: Open wire may be used in both communication applications and power applications.

What does it mean when a wire is open?

An open wire, in the sense of wiring in a home, is one that is not connected to a circuit. When a circuit is closed, electricity flows through it and when that circuit is open, no power flows.

What is the risk of open wire?

A plug or electrical cord should not have exposed wiring. Exposed wires present a danger of electric shock or electrocution. Using an open front plug poses the risk of contact with live wires when plugging it to a electrical outlet. This also poses a risk of electric shock or electrocution.