ANSI Device Numbers. From Wikipedia, the free encyclopedia. The ANSI Standard Device Numbers[1] [2] [3] denote what features a protective device supports (such as a. relay or circuit breaker). These types of devices protect electrical systems and components from damage when. an unwanted event occurs, such as an electrical fault.
The piston ring speed on the average chainsaw travels 2,500 surface feet per minute. A chain slides across the surface of the sawbar rail at around 5000 feet per minute. The chain is moving at 55 to 60 m.p.h. or a mile per minute (88 feet per second).
Quick Answer. The appropriate direction for a chain in a chainsaw varies depending on the location of the nose wheel. Chainsaw chains can move either clockwise or counterclockwise. The direction of chainsaw chains varies by model and brand, but chains should always be placed so that they move towards the nose wheel when activated. Keep Learning.