Electric appliance or accessories

 Electric appliance or accessories  

~ Accessories rating- 6, 16, or 32 A , 260v 

~ classification of accessories

1) mounting 

2) based on used

~ classification based on mounting 

1)surface mounting - in which the accessory comes to be placed above the surface

2) flues mounting - the accessory is on the inside of the board or board or wall and only the top is visible on the surface.

~ classification based on used 

1) controlling accessories 

2) holding accessories

3) safety accessories

4) outlet accessories

5) general accessories

6) mounting accessories

* controlling accessories

1) single pole one way switch 

2) single pole two way switch

3) pool switch

4) intermediate switch 

5) push button switch

6) DPIC ( double pole iron clad switch)

7) TPIC (triple pole iron clad switch)

1) single pole one way switch - It has two terminals.  There is a contact between the two, which is operated by a knob.  Spring is used for instantaneous turn off.  Lamps, fans etc. can be turned on and off with the help of this switch.  These switches are of surface mounting type or flush mounting type.  Found in a rating of 5 A, found in a rating of 15 A for domestic equipment.

2) single pole two way switch - The exterior design is the same as above, but there are three terminals inside.  There is one common terminal, which connects to the other two terminals simultaneously.  It is used for stair and other wiring.

3) pool switch-This switch is also called a cord switch.  The switch is held in place and operated with a cord.  Pulling the cord once turns the switch on and pulling it a second time turns it off.  Double pole

4) intermediate switch - There is one in one position.  And in the second case the third jade  switch that connects horizontally in one position and diagonally in another.  The connections in one position are horizontal and in the other position are vertical in the sweep   Inter TAT is used in a circuit that has to be turned on and off in more than two places.   

5) push button switch - The two contacts are connected by a metal ring.  Operated with a metal ring button.  Taking a finger from the button causes the button to come back up due to the spring so that the contact is open.  Used to operate the door bell.  These switches are also of the type of surface mounting or flush mounting.

6) DIPC- This switch is used as the main switch for single phase supply.  It has two poles.  It is encased in an iron cover.  Current rating is 15 A to 200 and voltage rating is 250 V.  The switch has fuse holders for phase and neutral.  The switch is operated by an external handle.  The outside earth terminal is kept for earthing.  The specifications of this switch are as follows

1) Voltage rating 

2) current raring 

3) enclose type

7) TIPC- It also has an iron cover, fuse holder and contacts.  But there are three sets for three phases.  Neutral links are also provided if required.  The switch operates from the outside handle.  An earthing terminal is kept on the outside for earthing.  The specifications of this switch are as follows: 

1) Voltage rating 

2) current raring 

3) enclose type

4) with neutral link or without neutral link

* Holding accessories

1) lamp holder

2) florescent lamp holder

* Lamp holder

Lamp holders are used to hold lamps, earlier brass holders were prevalent but the price of brass is now widely used backlight lamp holders.  There are four ways to hold a lamp in a lamp holder.  These are the types of lamps Haider

1) beyonet cap holder

2) Screw type holder

 The bayonet cap type lamp holder has a spring and two pins.  The top of the holder has a groove on the outside.  There are two small pins on the outside of the lamp.  There are two contacts above the lamp.  Putting the lamp in the holder and turning it slightly, the pin gets stuck in the slit.  The holder is provided with two terminals at the top.  A bayonet cap type holder is used for lamps up to 200 w.

Screw type or Edison Sue type lamp holders are used for bulbs with a rating of 200 W to 300%.  The holder is fastened to the inside.  It has a contact between it, with which the neutral wire is connected.  Goliath Screw type lamp holders are used for lamps with a rating of more than 300 W.  The holder in this is made of parsley.  The types of lamp holders in terms of mounting are as follows: