communications equipment and communications accessories equipment for use in restricted access areas not designed for continous human occupancy; namely, intercommunications systems having at least two or more of electronic communication intercom command modules, speakers and microphones encased in a sealed box; electronic alarm module comprising alarms, an alarm button, an electric battery, an LED indicator, a delay switch, a sound transmitter, and a sound receiver; remote alarm safety fuse box barriers; electric noise suppressors; headsets comprising single or double earmuffs with sound receiver or microphone or both; amplifiers which allow a voice to be broadcast in high noise environment; headphone sound receivers; interface electrical cables; voice recorders; throat microphones; microphones which pick up voice vibrations and convert them into electrical signals; lapel microphones; earcup speakers; personal alarm buttons; lapel speakers; electronic sensors that analyze the atmosphere and set off an alarm if hazardous; electronic sensors which set off alarm if a confined area is entered; speakers/microphone cable adapters; rescue lights; head bands equipped with electronic sensors; speakers; docking intercom systems, elevator intercom systems, mine rescue intercom systems, intercom system for worker extension buckets used to reach otherwise unaccessible locations, and pumper truck intercom systems, each of the foregoing systems comprising amplifier boxes, head sets and wires; and carrying cases for all of the goods recited herein