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220 4 Prong Twist Lock Plug Wiring Diagram

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Prince Eugene of Savoy is a qualified master/instrumentation engineer Bsc (Eng) and has worked as a developer of electronics & software for SCADA systems.

How to wire a plug. This is a UK style, BS1363 plug with integral 13 amp fuse.

How to wire a plug. This is a UK style, BS1363 nag with integral 13 AMP fuse.

How to Electrify a UK Plug

This guide shows you how to specifically electrify a UK plug to a municipal appliance. However, the unvaried staple principles of wiring a BS1363 eccentric plug can be practical to plugs from other countries, the main difference being that the colour-coding of wiring is different.
The initial section of the guide covers some background information on the individual components of a plug and an explanation of fuses, which is deserving recitation before devising connections.

British BS1363 Standard Fire hydrant (Type G Plug)

The BS1363 standard 3-pin plug is used in the UK (England, Wales, Scotland and Northern Ireland), the Republic of Ireland, Malaysia, Saudi Arabia, Cyprus, Malta and several other countries. Information technology's categorised as plug character G by the International Electrotechnical Commission. The plug incorporates several safety features, including a fuse to protect the magnate cord and equipment. It also has shrouded pins to preclude inadvertent finger contact with the know operating theater viewless pins during insertion and removal. By law in the Europium, new appliances must be fitted with a ballyhoo, however, you may occasionally need to fit a plug to an sr. gismo.

The Safest Plug in the World?

The BS1363 Plug is beyond any doubt the safest plug in the world and has the following features:

  • Coalesced: The capital function of the fuse is to protect the king cord/flex from overheating and possibly catching fire. The flux will blow straightaway when voluminous short circuit currents are drawn and also when more moderate overloads occur.
  • Insulated Pins: This protects accidental contact with live pins during introduction and removal of the plug.
  • Closed Outlets on Sockets: This prevents children from inserting pins, nails or separate tinny items into socket outlets.
  • Polarized: The plug cannot be inserted upside push down, reversing the last and neutral.
  • Long World Pin: This ensures that appliances are earthed during plug insertion, before the two power pins make contact.
  • Grips: These are at the edges of the plug to facilitate easier removal.
  • The Flex: This exits from the bottom of the plug to discourage removal by pulling connected the flex.
3-Pin BS1363 Plug as used in the UK and Ireland. The black plastic shrouds surrounding half the pins prevent finger contact with the pins and potential shock during insertion and removal.

3-Bowling pin BS1363 Plug as used in the UK and Ireland. The black shaping shrouds circumferent half the pins prevent finger contact with the pins and potential shock during insertion and removal.

Parts of a Major power Plug

Screw terminals are provided inside a plug for connection of the wires of a power cord (flex). A UK plug has 3 transparent pins, live, electroneutral and ground as shown below. The terminals are clearly marked with the letters "L", "N" and "E".

Elastic and Inert Pins

These 2 pins carry power to the appliance.

Earth Thole

Under normal conditions, no more current flows through this pin. However in the issue of a fault in an gadget causing the metal casing to get hold ou, this pin acts atomic number 3 a "electrical shunt", shunting on-line away from the exploiter. This trips the RCD and/Oregon MCB at the electric panel, shutting off power. The fuse in the plug may also blow (although the RCD may trip before this occurs). The earth PIN also pushes open the safety shutters masking the last and neutral entry holes in a socket outlet when the jade is inserted.

When wiring a plug, it is essential to stiffen the screws unwaveringly down onto the bared wires of each conductor. This prevents arcing, overheating and potential fire.

Live, neutral and earth terminals in a plug are marked L, N and E respectively

Live, achromatic and earth terminals in a plug are marked L, N and E respectively

Fuse

A BS1363 plug is too fitted as standard with a ceramic, high breaking mental ability (HBC) fuse. Its primary coil function is to protect the power cord from overheating caused by current overloads ascribable a fault or a consumer drawing too much current (e.g., copulative as well many high powered appliances to an extension pencil lead Beaver State socket strip). The immix may also protect an convenience's internal wiring/electronics, but additional fusing is often present in the appliance to cater for this scenario. Plugs are usually supplied as standard with a 13A merge. This is the utmost electric current that the punch hindquarters issue, and if an appliance tries to draw in excess of this topical, the fuse wish eventually fluff. Fuses don't instantly blow once their current rating is exceeded. Instead they have a characteristic such that large overloads (e.g., attributable a short electric circuit, possibly drawing hundreds or thousands of amps from the distribution transformer) volition cause the fuse to blow in fractions of a second, whereas small over currents could assume minutes to blow the fuse.
13A is equivalent to a load of almost 3kW at 230 volts, 50 Hertz (Cycle per second), the EU similar potential dro and frequency.

WARNING!!

Fuses should be replaced by BS1362 acceptable ceramic types. These fuses have a ceramic body which can defy the apt heights up-to-date (potentially > 1000A) and energy dissipated equally heat during a fault. Fuses shouldn't be replaced by types with field glass bodies which can rupture.

If a lower power-driven appliance is connected to a ballyhoo, the fuse should be replaced by a lower rating commingle to suit the cord and appliance. 3A and 5A fuses are wide obtainable corresponding to nigh 700W and 1150 watt severally.

Electric cord Grip

A filter out relief clamp OR corduroy grip is also provided. This must be screwed down onto the outer case Beaver State insulation of a cable, not the inner cores. Strain relief prevents tension on the cord during normal use from pulling wires out of the screw terminals.

Read More From Dengarden

Screw terminals in a plug

Shtu terminals in a plug

You will need:

  1. A flat bladed screwdriver. A phase tester is philosophical doctrine and is a useful tool to suffer in your home toolbox. It has an internal neon bulb which tooshie be used for detecting the comportment of high voltage at socket or lighting outlets.
  2. A electrify snips (side cutters). You could also probably use a scissors.
  3. A sharp knife.
Snips, screwdriver and knife

Snips, screwdriver and tongue

Wiring Subroutine

Follows these steps to cable a plug.

Step 1: Remove the Outer Cocktail dress of the Power Cord

About 5cm or 2 inches of the cocktail dress operating room outer insulating material of the might cord mustiness atomic number 4 removed. It is very important non to impairment the insulation of the inner cores. You can snip off down along the sheath if you cause a snipe nose snips, instead score the sheath with the knife. Again you must be careful not to cut right through and through.

Sheath of power cord needs to be removed

Cocktail dress of power corduroy necessarily to be removed

Wiring Colours in the UK and EU

EU wiring colours and old style UK colours

EU wiring colors and gaga style UK colours

Three core flex. Live is brown, neutral is blue and earth is green/yellow.

Three core flex. Live is brown, neutral is blue and earth is green/yellow.

What If the Flex Lone Has a Brown and Blue Cable?

Doubly Insulated or Plastic Sheathed Appliances

Metal cased appliances normally have a trio kernel flex attached. Yet, around appliances either have plastic, not-conductive casings or are doubly insulated. A two-base hit insulated appliance has a casing which, although information technology may still be metal, is sufficiently distributed and insulated from intimate live parts that on that point is no danger of it becoming live. These appliances are not earthed and only have a chromatic and depressed core in their flex, i.e., nary earth.
Double-insulated appliances are either marked "double insulated" or more usually the symbolic representation on a lower floor is written along the info recording label.

Double insulated appliances are marked with this symbol.

Double insulated appliances are marked with this symbolisation.

Step 2: Shorten the Liveborn (Brown) Wire

Shorten the live wire

Cut the live wire

Step 3: Remove the Insulation from the Inner Cores

Remove the insulation from each conductor or burden of the deform, about 10mm or just less than half an edge in should be fine. You can either do this with a knife or expend the snips. A tinsnips is absolutely good as a wire stripper. With a trifle of practice, all you deman to do is grip the conductor, spell cutting slightly through the insularism, and get out. Try this on some fight flex first. Whichever right smart you bare the insulation, it's important to avoid breaking any strands of the copper conductor.

Use a knife, wire strippers or snips to strip about 12mm of insulation

Use a knife, wire strippers or snips to strip about 12mm of insulation

Bared conductors

Bared conductors

Step 4: Twist the Strands and Double Them Over

Twist the strands of each core of the bend and double them over. This keeps them together and stops them spreading out when the end screws are tightened. Doubling over the ends also ensures the screw has more wire to constrain down on. This is particularly important if the flex is light weed, in which case the screw may push the conductor exterior of the forth as it is tightened, and only pick up the edge of it.

Twist the stranded copper wire

Twist the stranded copper wire

Double over the ends of the wire

Double o'er the ends of the wire

Choosing a Snips

Slope cutters are easy for cutting variable gages of cable. I have used an Xcelite incline cutters, available from Amazon River UK for over 20 age. The towering mechanical advantage of long handles and short jaws substance that they fanny easily snip through luminosity to medium skunk wire used in electronics. Jaws are closely spaced when closed and this is important for cleanly cold very fine wire.

Side cutters (wire snips)

Face cutters (conducting wire snips)

Stride 5: Relax the Screws along the Separate out Stand-in (Cable Grip)

The strain relief on the plug is held by two screws

The strain relief on the plug is held aside deuce screws

wiring-a-uk-plug

Dance step 6: Feed the Brown Cable into the L (Live) Terminal

Feed the flex underneath the strain relief and push the strands of the brown wire into the terminal. It is easier to do this if you remove the fuse and terminal from the plug

Feed the deform underneath the melodic phras easing and push the strands of the brown wire into the terminus. IT is easier to do this if you murder the priming and endmost from the plug

Step 7: Connect the Green/Yellow Earth Wire into the E (Land) terminal

Some appliances don't have an earth wire in their flex

Some appliances assume't have an earth cable in their flex

Make a point the Wires Are Caught by the Screw

To avoid arcing, overheating, and in extreme cases a potential fire, it's essential to tighten screws.

To avoid arcing, overheating, and in extreme cases a potential fire, it's essential to reduce screws.

Footstep 8: Finally Connect the Blue Wire to the N (Neutral) Terminal

Full wired plug - Make sure all the wires are neatly packed away so that they don't get caught by the cover or the cover fixing screw

Full wired plug - Make sure all the wires are neatly packed away so that they assume't get caught by the cover or the cover fixing screw

Step 9: Tighten the Song Relief and Replace the Cover

The two strain relief screws must be tightened to secure the flex.

The two strain relief screws mustiness be demanding to weatherproof the flex.

Checking the Fuse in a Plug

You can check whether the primer in a plug is okeh using a multimeter. In fact, IT's a good idea to have 1 of these in your home toolkit if you do whatever basic DIY. Check out my guide to using a multimeter present:

How to Use a Digital Multimeter to Measure Current, Voltage and Electrical resistance.

For more information on electrical energy and an explanation of volts, amps and Isaac Watts, realise my guide:

How to Understand Electricity: Volts, Amps, Watts and Electrical Appliances

This article is accurate and faithful the unexceeded of the author's knowledge. Content is for informational or amusement purposes exclusively and does non substitute for personal counsel or professional advice in business, financial, legal, surgery technical matters.

Questions & Answers

Question: A construction is beingness supplied with power at 220v. The load consists of 300 lamps of 60w each and 100 fans of 40w all find (i) the total slews in kilowatts (2) the current taken by the load ?

Answer: (i) The tally load is 300 x 60 + 100 x 40 = 22,000 watts or 22 kW

(cardinal) To get hold the current, divide the payload in watts by the voltage

So

Present-day is 22,000 / 220 = 100 amps

There's lots many examples like this happening my other article Hera:

https://dengarden.com/appliances/Watts-Amps-Kilowa...

© 2014 Eugene Brennan

Pepenaldo panana along June 23, 2020:

what i hot thanks

Give on English hawthorn 14, 2020:

Thanks

kudzaiishe connected October 16, 2017:

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