Bulb Size and Bases. C7 bulbs are smaller than C9 bulbs by 1 inch. C7 bulbs are 2 inches long and C9 bulbs are 3 inches long. C7 bulbs sit in a base known as a candelabra base and can only fit in this specific type of base. C9 bulbs sit in a base known as an intermediate base.
Indoor cable. Indoor fiber optic cable normally includes tight buffer type, distribution cable, breakout cable and armored cable etc. Cable's job is to protect the fibers from the environment encountered in an installation.
March 12 2014. There are different types of fiber optic cable. Some types are single-mode, some types are multi-mode. Multi-mode cables can be found in OM1, OM2, OM3 and OM4 types. Each type has different properties. OM1 cable typically comes with an orange jacket and has a core size of 62.5 micrometers (Âµm).