Instructions:From their email:
To qualify for this fantastic offer you need to purchase an in stock item, that is available to buy on our websites, on or before 31 December 2009. All in stock items are indicated on our websites. Please quote Promotion Code 5PC2009 at the checkout.
Theres 5% discount OFF in stock items
You need to place your order online
Quote Promotion Code 5PC2009
Visit our websites at 365electrical.com or markselectrical.co.uk