5.3.1_Electrical_Systems Facts/Rules Flashcards
Aluminum Wiring req’s
special installer
Aluminum Wiring limited to these circuits
primary
Aluminum Wiring larger or smaller than copper to carry same amperage
larger
possible when aluminum joists loosen/overhead
oxidation
most effective for small/medium amps
copper
typical wire in single famliy
Romex
plastic jacket wire, 2 conductors and ground
romex
wire used in wood framed residential bldgs under 3 stories
romex
2+ plastic insulated conductors,
spiral steel tape
BX
Flex Metal Clad Cable
used in remodels
BX
Flex Metal Clad Cable
used in place of very large cables
busbar
multiple busbars in metal housing
busway
cause spalling + cracking bc reactions w/ concrete mix
aluminium
Safest conduit. Rigid/threaded connections. Jboxes/devices.
rigid steel
Thinnest conduit. Easy/fast. Clamp connections. Not haz areas.
Electric Metallic Tubing: