- to pipe bending over barrier figure 5.15 bending the horse collar (OFF SET)
5. Pipe bending to resolve the
5.1 bending back
- large pipe. A little wear into the pipe, then push pipe back
5.2 correction when the pipe dent
.- use steel jab at the inner surface figure 5.17 pipe bending to resolve the
6.? Installation of metal pipe cables
instruments electrical wiring called office tape (fish tape)
8. Caution to install metal tube wiring
8.1. Pipe bending
.- corner in pipe bending
-
8.2 bender pipe cutting
-
- cut off the pipe to humiliate the time reamer
8.3 pipe assembly
-. Be attached to the structure of the building strong
- holding fixture and continuous electrical
8.4 to electrical wiring
- working at least 2 people
-. Do not connect inner tube
- cable management completely pulled into the pipe
8.5 installation device for electric
- should moderate
- to capture equipment, healthy and beautiful
9.Modification of PVC pipe to pipe
-
9.1 stove hot
- lead pipe go over an open flame until the plastic soft
- the wear into the pipe
- glue should around the joint
9.2. Pipe bending
- fill sand in the pipe to scrap material filling pipe end tightly
.- used over an open flame to pipe weakens and slowly bending curvature and want
-. To bending pipe pipe flexible while only
5.1.3. Electrical wiring in a wiring trough
.Called the wire way (wire way) made of steel sheets forming with a lid and anti-rust paint plating with zinc
, 1. The basic requirements about rail electrical wiring
- must be installed in pipe open
.- don't use rails wiring in areas that may damage the physical
- cross sectional area of the. และฉนวน together no more than 20% of the cross sectional area within the conduit wiring
- end rails wiring to close the
-. To catch hold firmly
.- not per table where the wiring through the wall or floor - to connect, can only in part which can turn out and easily accessible
- don't use a grid wiring. Alas for grounding
2. Characteristics of rail electric
5.1.4 electrical wiring in the cable trough cable tray
or called (cable tray) were divided into 3 is a
-
- table ventilation ladder. Also known as Ladder
-
size below solid standard width 200 300 400 500,,,,And 600 800 mm long verse 3 m
.
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