Audio and non-audio panels designed to meet stringent safety criteria.
The equipment for passengers to contact the driver/guard has moved on considerably since the days of the 'pull chain'. Most of the panels these days allow for audio communications but Craig and Derricott has been making audio and non-audio devices for many years.
With the introduction of 'Disable Access'regulatons additional 'call for aid' alarms will be required by vehicle builders. Craig and Derricott has experience in the design and manufacture of such items.