In British / Commonwealth English, I think 'equipments' is allowed.
http://www.english-test.net/toeic/vocabulary/meanings/029/toeic-words.php
Meaning of 'equipment' (noun forms plural: equipments)
supplies; necessary items; tools, instruments or other objects for completing a task
Thanks. I guess we will be saying hairs for hair, deers for deer, etc., soon. It seems an unnecessary affectation to me but what do I know?