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.
Description. For configuring optical networks, glass fiber-optic cables are used for long distances, while plastic fiber-optic cables made from light-conducting plastics (POF) or plastic-coated glass fibers (PCF) are used for short distances.escription. For configuring optical networks, glass fiber-optic cables are used for long distances, while plastic fiber-optic cables made from light-conducting plastics (POF) or plastic-coated glass fibers (PCF) are used for short distances.