Bx cable is installed in dry indoor ircuit drawings and wiring diagrams electrician circuit drawings and wiring diagrams skills exploration 1012 3 pictorial diagram. This wire can be buried in the ground or can be fastened to exterior walls using cleats.
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Armoured cable wiring diagram. How to use armoured cable for wiring. A diagram that represents the elements. Nm cable can be cut with a linemans pliers or even with the cutter on a wire stripper. The swa cable can also be referred to mains cable power cable armoured cable and booklet armoured cable. With copper wiring creating the perfect conductors for the core with a range of types such as 2 core 3 core and 5 core swa cables to name a few. Steel wire armoured cable construction uses installing the correct gland fitting into a metal enclosure fitting into a plastic enclosure earth connection.
Older bx cables without an internal bonding strip are not accepted by nec. Bx is accepted by the national electrical code nec. Better yet use a special armored cable cutting tool. Armoured cable comes in several different variables but for. Bx is cut with a hacksaw. The construction of a steel wire armoured cable depends on the intended use.
For example when the power cable needs to be installed in a highly populated and or enclosed public area a low smoke zero halogen lszh equivalent called swa bs 6724 cable must be used swa cable bs 6724 has lszh bedding and a black lszh sheathall london underground cables are required to use lszh sheathing. The galvanised steel wire protects the wire from accidental damage caused by digging etc. Armoured cable or swa steel wired armoured cable is the accepted standard for underground installations. Armored cable better known as bx is a flexible metallic jacketed indoor service cable. Nm cable is also accepted by the nec.
Gallery of Armoured Cable Wiring Diagram
