ceiling light problems

I just got a new ceiling light a big old thing with 8 bulbs and a transformer, after spending some time moving the hole in the ceiling so i could fix the light to a joist, i finally got fitted and when i switch it on it hums quite loudly and flickers, does anyone have any ideas why this is or should i admit defeat and get in a professional.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
In an earlier contribution to this discussion,

Is it powered via an ordinary switch, or a dimmer? If the latter, you could have an incompatibility between the dimmer and the transformer. Otherwise, you may have a bad connection - or it may be incorrectly wired. Take it down, and connect a cable to it with a 13 amp plug on the other end. Plug it into a socket and see whether it still hums and flickers. If it does, the chances are that it is faulty. If it's ok, there's a problem with your ceiling wiring.
--
Cheers,
Set Square
  Click to see the full signature.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

The transformer is either buggered, or the lamps you've fitted are the wrong type, or the whole thing is wired incorrectly.
--
http://www.basecuritysystems.no-ip.com

Outgoing mail is certified Virus Free.
  Click to see the full signature.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.