What does LB LL LR in electrical language mean?

Answer 1

these are electrical fittings that are used with conduits or EMT which allow a 90 degree change in direction they have an oblong shape with a cover on the long side to allow acces for pulling the wire in. the first letter "L" means "el", as in 90 degree turn the second letter refers to the direction the conduit exit point "B"ack, "L"eft or "R"ight Visualize holding the fitting vertical with the cover facing you with the conduit entry on the long dimension on top; if the second conduit entry (the short dimention) exist the back, it is an "LB"; if it exits the left, it is an "LL"; if it exits the rights, it is an "LR"

Answer 2

LB, LL, and LR are common abbreviations used to indicate the specific location of electrical conduits or fittings within a building. LB stands for "L-type conduit body", LL stands for "L-type conduit body without a cover", and LR stands for "L-type conduit body with a removable cover". These terms help electricians and contractors communicate effectively about the installation and placement of electrical components.