It is a square with a line cutting it in half diagonally from top right to bottom left. in the left section of the square we have a squally line and in the right sections we have a small horizontal line with 2 smaller horizontal lines under it. these are the symbols for ac and dc respectively
This is a Dynamo icon. We've made it in iOS style
, first introduced in iOS version 7 and supported in all later releases up until now (at least iOS 11). This style is based on thin two-pixel lines and is optimized for 50x50 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 13,700 icons, all in the same style and quality.