Wc is hidden in the wall.
L 1, L2, L3, n, PE- three-phase fire line. Zero line Protective wire
BV-4X4+ 1X2.5 insulated copper wire, 4 cores, 4 mm2 plus 1 2.5 mm2.
rated power
Cos=？ Usually the power factor.
Is current
C65N-63/3P20A is an open model, which seems to be the rated current of Grade 3 of Schneider.
Fc is used under the floor.
Cc is hidden in the roof or roof,
CE- surface coating along the top plate
Fu Yongming along the wall
Toilet-hidden application along the wall
FC- Hidden application along the ground
CC- hidden application along the roof
CT- laying along the bridge
Common laying methods in collected electrical design and construction drawings:
SR: Laying along steel trunking.
BE: Laying along or across the roof truss.
CLE: placed along or across a column.
We: Lying along the wall.
CE: laying along the ceiling surface or ceiling surface.
ACE: It is laid on the ceiling where people can enter.
BC: Buried in the beam.
CLC: Buried in a column.
WC: Buried in the wall.
Cc: Buried in the ceiling.
ACC: Buried in an inaccessible ceiling.
FC: Buried underground.
SCE: When laying in the ceiling, metal pipes should be worn.
First, the wire goes through the pipe and says
Super capacitor welded steel pipe
MT- catheter
PC-PVC plastic rigid pipe
FPC flame retardant plastic rigid pipe
Current transformer bridge
MR- metal trunking
Mobile cable
CP- metal hose
Plastic trunking
Reinforced concrete galvanized steel pipe
Second, the expression of conductor laying mode
Direct burial
TC- cable trench
BC- hidden in the light beam
CLC- hidden in the column
WC- hidden in the wall
CE- laying along the ceiling
CC- hidden in the ceiling
SCE- Laying in suspended ceiling
F- under the floor and terrace
SR- along the cable
BE- along the roof truss and beam
Fu Yongming along the wall
Third, the installation method of lamps and lanterns
CS- chain crane
DS- pipeline crane
W-wall installation
C-ceiling
R- embedding
S-bracket
CL- on chromatographic column
Along the groove of steel: SR
Along or through the roof truss: Yes.
Along or through the cylinder: CLE
Laying through welded steel pipe: SC
Catheter laying: MT
Hard plastic pipe laying: PC
Laying through flame retardant semi-rigid PVC pipe: FPC
Cable trough laying: CT
Metal trough laying: MR
Plastic trunking laying: PR
Cable laying: m
PVC laying in plastic corrugated pipe: KPC
Laying through metal hose: CP
Direct burial: DB
Cable trench laying: TC
Marking of conductor laying parts
Laying along or across beams (roof truss): AB
Hidden in the light beam: BC
Laying along or across columns: AC
Buried in a column: CLC
Laying along the wall: WS
Buried in the wall: WC
Laying along the ceiling or roof: ce
Buried on the roof or roof: CC
Ceiling laying: SCE
Ground or underground laying: FC
HSM8-63C/3P
DTQ30-32/2P should be two types of molded case circuit breakers.
HSM8-63C/3P is suitable for lighting circuit, and it is a three-pole switch with rated current of 63A (three-way switch).
DTQ30-32/2P is also a plastic case circuit breaker with rated current of 32A, with two-pole switch.
Line laying mode code
PVC- flame retardant plastic pipe laying
DGL- Electrical Steel Pipe Laying
Vxg- laying with plastic trunking
GXG- laying with metal trunking
Krg- laying with flexible plastic pipe
⑦ Code of exposed part of line
LM —— Laying along the roof truss or the lower chord of the roof truss.
Zm-lying along the pillar
QM- Laying along the wall
PL-Laying along the ceiling
(3) The code of the concealed part of the line.
La- hidden in the light beam
ZA- hidden in the column
QA- Hidden in the Wall
Pa- hidden in the roof or ceiling.
Da- hiding in the ground or on the floor.
PNA-hidden in the unreachable ceiling.
(4) Lighting installation specification
D-ceiling
L chain suspension type
G tube suspension type
B- wall-mounted
R- embedded
Br-installed on the wall
(4) Equipment labeling method
⑦ Marking method of distribution lines
A-b (c× d) e-f where: a-number of loops.
B conductor model
C- number of wires
D conductor section
E- laying method and pipe diameter
F- laying parts
Represents two lines.
Represents three lines.
Represents n wires
⑦ Marking method of lighting lamp
General marking method:
Marking method for ceiling installation of lamps and lanterns:
Where: number of lamps
Type b or number
C- number of bulbs per lighting device.
D- bulb capacity, w
Installation height of electronic bulb, m
F- installation method
L light source, incandescent lamp or fluorescent lamp
Line laying mode code
PVC- flame retardant plastic pipe laying
DGL- Electrical Steel Pipe Laying
Vxg- laying with plastic trunking
GXG- laying with metal trunking
Krg- laying with flexible plastic pipe
⑦ Code of exposed part of line
LM —— Laying along the roof truss or the lower chord of the roof truss.
Zm-lying along the pillar
QM- Laying along the wall
PL-Laying along the ceiling
(3) The code of the concealed part of the line.
La- hidden in the light beam
ZA- hidden in the column
QA- Hidden in the Wall
Pa- hidden in the roof or ceiling.
Da- hiding in the ground or on the floor.
PNA-hidden in the unreachable ceiling.
(4) Lighting installation specification
D-ceiling
L chain suspension type
G tube suspension type
B- wall-mounted
R- embedded
Br-installed on the wall
(4) Equipment labeling method
⑦ Marking method of distribution lines
A-b (c× d) e-f where: a-number of loops.
B conductor model
C- number of wires
D conductor section
E- laying method and pipe diameter
F- laying parts
Represents two lines.
Represents three lines.
Represents n wires
⑦ Marking method of lighting lamp
General marking method:
Marking method for ceiling installation of lamps and lanterns:
Where: number of lamps
Type b or number
C- number of bulbs per lighting device.
D- bulb capacity, w
Installation height of electronic bulb, m
F- installation method
L light source, incandescent lamp or fluorescent lamp