JPH0442720A - Indoor wiring method - Google Patents

Abstract

PURPOSE:To cove easily with modification of connection, layout of room installing position of wiring fixtures, and the like on the spot by employing harness connectors in the connection of the wiring fixtures and the wiring cables led out from a zone pull box provided for each indoor zone. CONSTITUTION:Each indoor zone is provided with a zone pull box 4 for pulling in a power cable 2 from a distribution board 1 and a plurality of wiring cables 3. A plurality of joint units 7 are fixed in the zone pull box 4 where the stripped cores of the power cable 2 and the wiring cables 3 are inserted into holes made through the under face of the joint unit 7 and the cores of wires 8 for properly connecting the power cable 2 and the wiring cables 3 are inserted into the insertion holes 7a made through the upper face. A harness connector is fixed to the other end of the wiring cable 3. The harness connector is connected with the wiring cables and branch cables 13 and then indoor wiring is branched through branch joint connectors 14.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application 1] The present invention relates to an indoor wiring method for indoor wiring, etc.

[Prior art 1] In many cases, the floor plan pattern of residential buildings and the like is generally determined, and therefore the installation locations of wiring devices such as outlets and switches are also approximately determined. Therefore, in the past, the wiring cables were cut to a predetermined length at the factory depending on the installation position of the wiring equipment, and the wiring cables were connected in advance at the factory. I was trying to only make connections. The wiring cables connected to each other in the factory as described above are called branch cables, and this branch cable 15 has a joint part 1 for connecting the wiring cable 3 as shown in FIG.
7 hooks 16 are provided on the top surface of 5a, and the 7 hooks 16 are hung on the ceiling to perform wiring work on site.

[Problems to be Solved by the Invention] However, in the above-mentioned conventional indoor wiring method, the core wire of the wiring cable 3 whose sheath has been peeled off by step stripping or the like is inserted into the insertion hole formed in the wiring device. Because they were designed to be connected to other wiring devices, indoor wiring work was time-consuming, which has become a major problem in the current situation where electrical work is in short supply.

Further, the branch cable 15 has a problem in that it cannot be easily adapted to cases where the inquiry from the S shop is different or when the installation location of the wiring equipment is changed.

The present invention has been made in view of the above-mentioned points, and its purpose is to make the work easy and to easily adapt to cases where the floor plan of the room is different or where the installation location of wiring equipment is changed. The purpose of the present invention is to provide an indoor wiring method.

[Means for Solving the Problem] In order to achieve the above object, the present invention provides a zone pull box for each indoor zone into which a power cable from a distribution board and a plurality of wiring cables are inserted. , Connect the power cable and the wiring cable as appropriate using the connection device housed in this zone pull box, and connect the harness connector to the end of the wiring equipment side of the above wiring cable and the branch wiring cable branched from this wiring cable. Attachment, the wiring device is equipped with an appliance cable, and a harness connector is attached to the tip of the appliance cable to be connected to the harness connector of the wiring cable or branch wiring cable,
A connecting part that connects a wiring device to a wiring cable or branch wiring cable by connecting a harness connector, and a connecting part that connects the harness connector of the above wiring cable, and a connecting part that connects the harness connector attached to the base end of multiple branch wiring cables. The indoor wiring is branched using a branch 7-1 Indian connector.

Function J The present invention makes it possible to easily connect the wiring equipment and the wiring cable etc. by using a harness connector to connect the wiring cable or the branch wiring cable and the wiring equipment as described above. By connecting the power cable and distribution cable with a zone pull box, and branching the distribution cable with a branch joint connector, you can select any indoor wiring condition, and the layout of the room can be different. This makes it easy to adapt to situations such as changing the location or changing the installation location of wiring equipment.

[Example] An embodiment of the present invention is shown in FIGS. 1 to 5.

In this embodiment, a zone pull box 4 into which a power cable 2 from a distribution board 1 and a plurality of wiring cables 3 are drawn is provided for each indoor sink as shown in Figure #1.
The power cable 2 and the wiring cable 3 are appropriately connected within the zone pull box 4. This zone pull box 4 has a box shape with an open front as shown in the third leapfrog, and is constructed by being buried in the wall, with a cover 9 on the front.
It has a m-structure that is coated with. A plurality of introduction holes 5 are formed in the bottom plate and top plate of this zone pull box 4,
Power cable 2 and wiring cable 3 from these introduction holes 5
to draw in. In addition, a plurality of connection devices 7 are attached to the zone pull box 4 by means of a mounting plate 6, and insertion holes (Fig. (not shown) and insert the core wire of the connecting wire 8 for appropriately connecting the power cable 2 and the wiring cable 3 into the insertion hole 7a formed on the top surface, thereby making it possible to create any indoor wiring state. ing.

At the other end of the wiring cable 3 whose one end is connected to the power cable 2 in the zone pull box 4, either a male or female harness connector 10.11 shown in FIG. 4(a) or FIG. 4(b) is attached. ing.

Here, as the wiring cable 3, a single wire VVF (vinyl sheathed cable) or a stranded wire VCT (*Y7 tire cable) is used, and as the harness connector 10.11, a terminal part to which VVF can be connected is used. Things to prepare, V
A device to which a CT can be connected and is equipped with a 5I lamp is used. Note that the connectors io and ii are those in which connection terminals, etc. are inserted into a synthetic resin housing and molded at the same time, or those in which the housing is formed of a body and a cover, and the connection terminals, etc. are inserted inside. There are structures that can be stored and assembled.

The wiring device 12 used in this embodiment includes a short 1-device cable 17, and a harness connector 10.11 connected to the no. 1-winter connector 10.11 of the above-mentioned wiring cable 3 at the tip of the device cable 17. It is installation. Note that FIGS. 5(a) and 5(b) illustrate examples of outlets arranged vertically and horizontally.

Furthermore, in this embodiment, indoor wiring is also performed using a branch wiring cable 13, and harness connectors io and 1i are provided at both ends of the branch wiring cable 13, respectively, as shown in FIGS. is attached, and the branches of the branch wiring cable 13 from the wiring cable 3 are shown in Fig. 4 (c).
) is used. The branch joint connector 14 in FIG. 4(e) is for three branches, with one connection part 14m for connecting the male harness connector 11 attached to the distribution cable 3, and one connection part 14m for connecting the three branch distribution cables 13. and three connection parts 14b to which the attached female harness connector 10 is connected,
By simply connecting each harness connector 10.11 of the wiring cable 3 and branch wiring cable 13 to each connection part 14at14b, each branch wiring cable 1 can be connected to the wiring cable 3.
3 can be connected.

In this embodiment, the power cable 2 and the wiring cable 3 are appropriately connected at the connection part [7] housed in the zone pull box 4, and the wiring device 12 is connected to the wiring cable 3 or the branch by connecting the harness connector 10. It is connected to the distribution cable 13, and the indoor wiring is branched using the branch a-intensity connector 14. Incidentally, although VCT is more expensive than VVF, it is easier to bend because it is a stranded wire. Therefore, if it is desired to improve workability, VCT may be used for the distribution cable 3 and the like. If the openings are the same, a branch cable 15 having a harness connector 10° 11 at the tip of the wiring cable 3 may be used to connect the indoor wiring.

[Effects of the Invention] As described above, the present invention provides a zone pull box for each indoor zone into which a power cable from a distribution board and a plurality of wiring cables are drawn, and a zone pull box that is housed in the zone pull box. Connect the power cable and the distribution cable as appropriate with a connecting device, attach a harness connector to the tip of the wiring device side of the distribution cable and the branch distribution cable branched from this distribution cable, and the wiring device is equipped with the device cable. Attach a harness connector to be connected to the harness connector of the wiring cable or branch wiring cable to the tip of the equipment cable, connect the wiring device to the wiring cable or branch wiring cable by connecting the harness connector, and connect the harness connector of the wiring cable to the harness connector of the wiring cable. The indoor wiring is branched using a branch twin-tied connector, which has a connection part that connects the cables and a connection part that connects the harness connectors attached to the base ends of multiple branch wiring cables. Cables and wiring devices can be connected using harness connectors, which has the advantage of making it easy to connect wiring devices and wiring cables on-site, and zone pull boxes can be used to connect power cables and wiring cables. By branching the wiring cable with a branch twin-and-tied connector, you can select any indoor wiring condition, which makes it easy to use when the layout of the room is different or when changing the installation location of wiring equipment. It can be easily accommodated, and if you branch the wiring cable with a branch joint connector, you can use a conventional terminal! *It has the advantage of being easier to work with than the continuous method, and is an indoor wiring method suitable for situations where electrical work is currently lacking.

[Brief explanation of drawings]

! @ Figure 1 is an explanatory diagram showing the indoor wiring state of one embodiment of the present invention, Figure 2 is an explanatory diagram of the wiring state of one zone, Figure 3 is a perspective view of the zone pull box with the cover open, 4
Figures (a) and (b) are perspective views showing male and female harness connectors, Figure (C) is a perspective view showing a branch joint connector, and Figures 5<1) and (b) are plan views of wiring devices, respectively. figure,
FIG. 6 is a perspective view of the branch cable. 1 is the distribution board, 2 is the power cable, 3 is the wiring cable, 4
is a zone pull box, 7 is a connecting device, 10.11 is a harness connector, 12 is a wiring device, 13 is a branch wiring cable, 14 is a branch straight connector, 14a, 14b
1 is a connection part, and 17 is an instrument cable. Agent Patent Attorney Ishi 1) Long 7]... Distribution board 2 - Power supply cable 13... Branch wiring cable] 4... Branch twin) Connector

Claims (1)

[Claims] (1) A zone pull box into which the power cable from the distribution board and multiple wiring cables are drawn is installed in each indoor zone, and the connection device housed in this zone pull box connects the power cable and wiring cables. A harness connector is attached to the tip of the wiring device side of the above-mentioned wiring cable and a branch wiring cable branched from this distribution cable, and the wiring device is equipped with the device cable, and the above-mentioned wiring cable is attached to the tip of the device cable. Attach the harness connector that is connected to the harness connector of the wiring cable or branch wiring cable, connect the wiring equipment to the wiring cable or branch wiring cable by connecting the harness connector, and connect the harness connector of the wiring cable mentioned above and the multiple branches. An indoor wiring method comprising branching indoor wiring with a branch joint connector having a connection part that contacts a harness connector attached to the base end of a wiring cable.