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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Hedge Trimmer Power Polarity
thescullster wrote:
Is the live-neutral connection important for this appliance? No, plugging it either way round is fine .. |
#2
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Hedge Trimmer Power Polarity
thescullster wrote:
Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has live and neutral terminals in each "half", there is no key in the joint to ensure the halves are connected in a certain orientation. In other words the live supply can easily be applied to the neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to rewire it each time the cable is damaged. Thanks Phil Assuming that your hedge trimmer is a double insulated device designed to be used without an earth then it dioesn't matter which wire is connected to neutral and which to live. All parts of the mains circuitry are equally well protected from being touched. Except of course by the blades. -- Roger Hayter |
#3
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Hedge Trimmer Power Polarity
Hi Guys
Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has live and neutral terminals in each "half", there is no key in the joint to ensure the halves are connected in a certain orientation. In other words the live supply can easily be applied to the neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to rewire it each time the cable is damaged. Thanks Phil -- ----Android NewsGroup Reader---- http://usenet.sinaapp.com/ |
#5
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Hedge Trimmer Power Polarity
I doubt it myself, but these days anything seems possible.
Brian -- ----- -- This newsgroup posting comes to you directly from... The Sofa of Brian Gaff... Blind user, so no pictures please Note this Signature is meaningless.! "thescullster" wrote in message ... Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has live and neutral terminals in each "half", there is no key in the joint to ensure the halves are connected in a certain orientation. In other words the live supply can easily be applied to the neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to rewire it each time the cable is damaged. Thanks Phil -- ----Android NewsGroup Reader---- http://usenet.sinaapp.com/ |
#6
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Hedge Trimmer Power Polarity
thescullster Wrote in message:
(Roger Hayter) Wrote in message: thescullster wrote: Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has live and neutral terminals in each "half", there is no key in the joint to ensure the halves are connected in a certain orientation. In other words the live supply can easily be applied to the neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to rewire it each time the cable is damaged. Thanks PhilAssuming that your hedge trimmer is a double insulated device designedto be used without an earth then it dioesn't matter which wire isconnected to neutral and which to live. All parts of the mainscircuitry are equally well protected from being touched. Except ofcourse by the blades.-- Roger Hayter Thanks Andy/Roger Can't beat making sure Phil If it did, you could mark the two parts of the joint to encourage you to orient it correctly... -- Jimk ----Android NewsGroup Reader---- http://usenet.sinaapp.com/ |
#7
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Hedge Trimmer Power Polarity
thescullster wrote:
Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. Do make sure you fit the joint the right way around! Male pins on the trimmer side, female on the supply side. Tim -- Please don't feed the trolls |
#8
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Hedge Trimmer Power Polarity
In article ,
thescullster wrote: Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has live and neutral terminals in each "half", there is no key in the joint to ensure the halves are connected in a certain orientation. In other words the live supply can easily be applied to the neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to rewire it each time the cable is damaged. you could simply fit a plug/socket thatb is polarised. -- from KT24 in Surrey, England "I'd rather die of exhaustion than die of boredom" Thomas Carlyle |
#9
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Hedge Trimmer Power Polarity
On 15/07/2020 22:16, Roger Hayter wrote:
thescullster wrote: Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has live and neutral terminals in each "half", there is no key in the joint to ensure the halves are connected in a certain orientation. In other words the live supply can easily be applied to the neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to rewire it each time the cable is damaged. Thanks Phil Assuming that your hedge trimmer is a double insulated device designed to be used without an earth then it dioesn't matter which wire is connected to neutral and which to live. All parts of the mains circuitry are equally well protected from being touched. Except of course by the blades. Talking of which . . . Make sure that it's fed from an RCD protected source just in case you cut through the cable with it! -- Cheers, Roger |
#11
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Hedge Trimmer Power Polarity
On Wednesday, 15 July 2020 22:06:37 UTC+1, thescullster wrote:
Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has live and neutral terminals in each "half", there is no key in the joint to ensure the halves are connected in a certain orientation. In other words the live supply can easily be applied to the neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to rewire it each time the cable is damaged. Thanks Phil Assuming it's modernish & legally compliant it doesn't matter. If it turns out to be some crazy contraption created by Kreosan then either way round it'll probably kill you. NT |
#12
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Hedge Trimmer Power Polarity
In message , Roger Hayter
writes thescullster wrote: Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has live and neutral terminals in each "half", there is no key in the joint to ensure the halves are connected in a certain orientation. In other words the live supply can easily be applied to the neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to rewire it each time the cable is damaged. Thanks Phil Assuming that your hedge trimmer is a double insulated device designed to be used without an earth then it dioesn't matter which wire is connected to neutral and which to live. All parts of the mains circuitry are equally well protected from being touched. Except of course by the blades. Don't forget that if you reverse the mains connection, instead of the teeth of the blades going back and forth, they go forth and back. -- Ian |
#13
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Hedge Trimmer Power Polarity
On 16/07/2020 22:03, Ian Jackson wrote:
In message , Roger Hayter writes thescullster wrote: Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has Â*live and neutral terminals in each "half", there is no key in the Â*joint to ensure the halves are connected in a certain Â*orientation. In other words the live supply can easily be applied to the Â*neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to Â*rewire it each time the cable is damaged. Thanks Phil Assuming that your hedge trimmer is a double insulated device designed to be used without an earthÂ* then it dioesn't matter which wire is connected to neutral and which to live.Â* All parts of the mains circuitry are equally well protected from being touched.Â* Except of course by the blades. Don't forget that if you reverse the mains connection, instead of the teeth of the blades going back and forth, they go forth and back. tee hee |
#14
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Hedge Trimmer Power Polarity
On 15/07/2020 22:06, thescullster wrote:
Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has live and neutral terminals in each "half", there is no key in the joint to ensure the halves are connected in a certain orientation. In other words the live supply can easily be applied to the neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to rewire it each time the cable is damaged. Thanks Phil Oh dear I hope you don't have DC mains then ...... |
#15
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Hedge Trimmer Power Polarity
On Fri, 17 Jul 2020 09:33:45 +0100, "Jim GM4DHJ ..."
wrote: On 15/07/2020 22:06, thescullster wrote: Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has live and neutral terminals in each "half", there is no key in the joint to ensure the halves are connected in a certain orientation. In other words the live supply can easily be applied to the neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to rewire it each time the cable is damaged. Thanks Phil Oh dear I hope you don't have DC mains then ...... One hates to tinkle on the jolly old bonfire, but it makes no odds! I believe most hedge trimmers use a universal motor, so to change direction you have to alter the field coil polarity. They will work on DC and go in the same direction with any polarity, so if your local power company finds itself with a surplus of negative half cycles....... :-) AB From the well pummelled keyboard of Archibald Tarquin Blenkinsopp Esq |
#16
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Hedge Trimmer Power Polarity
On 17/07/2020 10:00, Archibald Tarquin Blenkinsopp Esq wrote:
On Fri, 17 Jul 2020 09:33:45 +0100, "Jim GM4DHJ ..." wrote: On 15/07/2020 22:06, thescullster wrote: Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has live and neutral terminals in each "half", there is no key in the joint to ensure the halves are connected in a certain orientation. In other words the live supply can easily be applied to the neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to rewire it each time the cable is damaged. Thanks Phil Oh dear I hope you don't have DC mains then ...... One hates to tinkle on the jolly old bonfire, but it makes no odds! I believe most hedge trimmers use a universal motor, so to change direction you have to alter the field coil polarity. They will work on DC and go in the same direction with any polarity, so if your local power company finds itself with a surplus of negative half cycles....... :-) AB From the well pummelled keyboard of Archibald Tarquin Blenkinsopp Esq shirley knott -- This email has been checked for viruses by AVG. https://www.avg.com |
#17
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Hedge Trimmer Power Polarity
Archibald Tarquin Blenkinsopp Esq snotty_archi_
Wrote in message: On Fri, 17 Jul 2020 09:33:45 +0100, "Jim GM4DHJ ..." wrote: On 15/07/2020 22:06, thescullster wrote: Hi Guys Bit of a basic question coming up....... I am fitting a two pin cable joint in my trimmer cable. There is no earth provision. The problem I have is that, although the plug and socket joint has live and neutral terminals in each "half", there is no key in the joint to ensure the halves are connected in a certain orientation. In other words the live supply can easily be applied to the neutral conductor attached to the trimmer. Is the live-neutral connection important for this appliance? If so I will have to junk the joint and dismantle the trimmer to rewire it each time the cable is damaged. Thanks Phil Oh dear I hope you don't have DC mains then ...... One hates to tinkle on the jolly old bonfire, but it makes no odds! I believe most hedge trimmers use a universal motor, so to change direction you have to alter the field coil polarity. They will work on DC and go in the same direction with any polarity, so if your local power company finds itself with a surplus of negative half cycles....... :-) AB From the well pummelled keyboard of Archibald Tarquin Blenkinsopp Esq NSS... -- Jimk ----Android NewsGroup Reader---- http://usenet.sinaapp.com/ |
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