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What do you think of the water and electricity installation drawings? What do these symbols stand for?

Hydropower installation drawings are the general name of building water supply and drainage construction drawings and building electrical construction drawings, and are the main basis for determining project cost and organizing construction. Hydropower construction is a crucial item in home improvement, so many people want to check the project themselves, but they can't understand the hydropower map of home improvement construction. So today, Bian Xiao will teach you how to look at the home improvement hydropower map, so that you can do a good job in hydropower construction.

How to treat hydropower drawings?

1, meaning of various symbols on hydropower drawings

SC: welded steel pipe

PC:PVC polyethylene flame retardant plastic pipe

CT: bridge

Metal trunking

PR: plastic trunking

Toilet: Buried along the wall

WS (us): laying along the wall.

Cc: buried along the roof

F: Hide in the floor.

CE: exposed along the roof

On the ceiling

YJV: cable

SYV: TV line

PE: grounding (yellow-green phase)

Pen: zero (blue)

Three-phase wire (live wire): Item A (yellow)? Item b (green)? Item c (red)

KV: (voltage) kilovolts

BV: PVC single-layer plastic wire

BVV: PVC double-layer plastic wire

MEB: total equipotential

LEB: local equipotential

2, line laying 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

3, line dark apply part code

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

5. Marking method of lighting lamps and lanterns

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

The above is how to read the relevant contents of hydropower installation drawings, hoping to help everyone. We must find a professional and reliable decoration company for water and electricity decoration, otherwise the subsequent experience will be particularly bad, and strict quality inspection should be carried out for water and electricity installation to ensure our later living safety!