Amazon has a new product called WorkMail debuting today (via Forbes), which is an email and calendaring service that aims to provide those tools for corporate customers. The tech is based on Amazonâ¦
One of the boundaries, called the Arc Flash Boundary, is based on the expected Incident Energy from an arc flash, and is intended to protect workers from burns if such an accident occurs.
arc. 1  Geometry. any unbroken part of the circumference of a circle or other curved line. 2  Also called electric arc. Electricity. a luminous bridge formed in a gap between two electrodes. 3  Astronomy. the part of a circle representing the apparent course of a heavenly body. 4  anything bow-shaped. 5  to form an electric arc.