The background color immediately surrounding the RED stopper should be YELLOW, this is usually achieved by the use of color enclosures, colored disc, or adding the color to the stem of the button.

Shaped like a mushroom head that can be activated via a human palm.

Not allowed to be flat or graphic representations based upon software.

The direction to unlatch the device should be identified and clear, via moldings on the button or ink.Self-latching/self-holding function so once operated will remain in position until manually reset.To ensure that the requirements are copied with, the following lists the minimum requirements for an ’emergency push button device’: There are no specific requirements for clearance around the button, we should use our own judgment.Īs long as the button can be pushed in one action, under stressful conditions, and is not obstructed that should be the minimum amount of clearance needed. There are not any specific requirements as to the e-stop height requirement, as the equipment the pushbuttons serve can be mounted in various locations and at various heights. Emergency push button height requirements So we take this as ‘within’ an arm’s length when an operative is working on any part of the equipment. There is no specific requirement relating to the position or distance an e-stop should be installed at to protect the user from a piece of equipment, it is however noted that it should be readily accessible and be installed where an emergency stop is required. Graphic representation, i.e a graphic on a digital display.įor this article, we will concentrate on the Push Button Types, as these are mainly seen within a construction project.Foot-operated switches without a mechanical guard.What different types of E-Stops are allowed?Īlthough the push-button type is the most common, there are other types of stops that can be used, according to NFPA 79 – Electrical Standard for Industrial Machinery

What are the stopping requirements once the button is activated?.

Emergency push button height requirements.

What different types of E-Stops are allowed?.

Push the red button at your own risk