Where they run horizontally at high level along the walls of workshops . plain connectors can be fixed at short intervals and short cables run from each set of connectors to a switch fuse fixed on the wall immediately below or above the trunking . The switch fuse can then be connected to serve a machine near it on the floor of the workshop .
MICC
These letters stand for mineral insulated copper covered ; this types of cable is also known as mineral insulated copper sheathed , which is abbreviated to MICS and as mineral insulated metall sheathed ,. abbreviated to MIMS . This last description may refer to aluminium sheathing , as well as to copper sheathing ; aluminium was used as a sheathing some time ago . it may be encountered during refurbishments . All versions of this type of cable consist of single-strand cables embedded in tightly compressed magnesium oxide , which is enclosed in a seamless metal sheathed . The construction is illustrated in Figure 2.5 .
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