Hi there,
Does anybody know where I could get hold of a double-pole double-throw switch (also known as a four-way-switch, crossover switch and change over switch)? I would like to control a set of lights with three switches, and it is possible by using two SPDT switches at each end (like in a...
hi all
ive been asked to wire some high bay lighting in a unit from a tp+n c/u.
my question was as its accross all 3 phases what do you do about the switch end?
i dont like the idea of 400v in a metal switch box.
ive got 4 rows of 400 hids and want them switched in rows.
ta all
vitoboy
Hi,
I am in the process of setting up a carpentry workshop in France, I am getting a qualified electrician to do the installation but I am sourcing the materials because I can get them cheaper in the uk.The problem is he doesnt speak english and my french aint that good yet so Im not sure what...
Hey guys, I've always found everyone very helpful on this forum so I thought I might as well ask about this here. Also, before anyone asks, I've tried to contact Romans99 for some advice, but his inbox is full so I can't get hold of him! He's always inundated with questions as well, so this...
Hi All
Can anyone tell me what the lux level requirements are for street lighting.
the area I am concerned with is a residential complex consisting of 5 two story residential units and a day centre building more or less in a U shaped configuration, a walkway follows the building line 3 of the...
I have recently upgraded a 3p isolator from a 100a to 200a with the help of scottish power. I now need to fit a sub mains board for my mcbs does anyone know what size i need my tails to be coming from the isolator into the distrubtion board which will be located next to the 200a isolator and...
If anyone use's Chint products please get in touch as I have recently become a Chint distributor. I can offer some very good discounts on 3 Phase Boards, MCB's, RCBO's, Contactors, Overloads & Pushbuttons.
Check out Chint Europe (UK) Ltd to see full product range.
Regards
Andy
Hi guys have a query in regards to bringing back dewalt drills from Canada! i have been given these two 20V max impact drill drivers and hammer drill (DCK285C2) which run on 120v and 60 hz. If i purchase a little adaptor which runs 120 from 230v would be great but i feel this might slow down the...
Hi All
I have been tasked by my company to find out as much information on the Panel Boards we have fitted at present. It is a GEC System 4 and is older than gods dog. If anyone has any info of any sort concerning this item that should be in the National History Museum would be grateful. We have...
Just going over some plans and trying to work out what they actually want for the CU (gone round it in red ) There's hardly anything going in there but it states :
???? (that plan hasn't come out too well - just trying to re-do )
....wired as single phase, but with L3 used for neutral. I know this is poor practice, but is it actually dangerous? Whole wing of the large facility I work in is so wired "to prevent non_inducted personnel using these service plugs." I did not like, and just used my battery drill.
Howz it Lads & Ladettes!
There's a huge project afoot!
No cable spec yet! Would anyone have a incline to what cable size might be required for the following Cooler for a Diary Factory?
· Model RTAC 250 HE
· Power: 628 kW
· Electrcial power unity: 253 kW
· Power...
Hi everyone
Can you please tell me how to calculate/select the correct contactor & overload for the following:-
Single phase 2.2kw induction motor fitted to a steam cleaner/pressure washer. There is currently no motor controls fitted as they have been removed by previous owner. I have also...
Does anyone know where I can get adaptors to fit HRC fuses into units whose fixing bolts are further apart than needed?
I want to stick 125A fuses into a place that up until recently housed TKM 315 fuses. The trouble is that the 315A fuses' fixing holes are 133mm apart but I can't find an...
Hi I'm new so sorry if in wrong section, I have been asked to wire up a test rig, the customer wants to put power in for a test rig with 40 double sockets to test computers, till systems and kvrs anyone any recommendations on best way of doing it...
Carney68
Thread
canada
circuit
circuits
computer
double
help
integrity
please
Hi,
i am looking to correct the p.f. on a number of individual motors. I hope to use a small capacitor bank position locally to each motor.
Can anyone recommend a brand/shop where I can get hold of these?
Thanks,
Hi All,
I face a strange problem in the converter transformers connected to 11 KV sub station. There is abnormal variation in humming sound of the Transformer 11KV/520 V, 2.25 KVA Dd0 feeding to converter/ inverter drive for rolling mill stand motors. Another transformer 11KV/520V, 4.5 KVA...
Ive been on 2 different jobs in the last few days that have stand by generators. one genny has to be manually started, and the other has an ATS.
There is one E stop inside the building on the main MCC, and multiple e-stops inside the generator container itself.
The problem is that the E-stops...
Morning guys,
Preparing to be shot down here, but im a little confused regarding a MCB rating on a piece of machinery at work.
Due to ongoing engineering projects that are taking place, i need to move on machine 15 ft or so furhter down the warehouse to free up space for some new ones coming...
I'm new here so Hi everyone
I have a Danfoss VLT Micro Drive FC51 to use a three phase motor on single phase , I'm not sure about setting it up.
Using the Quick Setup I've set the basics 2.2KW, 400V, 50Hz, 5.30A and 1420RPM.
Automatic Motor Tuning is set to off there are 4 other settings...
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