Antique lamp needs earthing

yellowvanman · May 20, 2013

Customer wants me to fit a new antique centre light.

Body is brass but the lampholder doesn't have an earth terminal.

Been looking for a new lampholder with an earth terminal. There is some thread sticking out of the bottom of the existing lampholder, enough to screw another lampholder into, but the thread is 3/8. Can't seem to find a suitable adaptor/lampholder.

Anyone know where to look?

Can't secure an earth to anywhere on the existing body.

GLENNSPARK · May 20, 2013

grantr37 said:
can you get someone to do a join in a metalsmiths workshop, solder on a brass earth terminal maybe?

he could solder it on himself couldn`t he....
jesus...its only a bit of warming up, flux and tin/lead isn`t it....

Richard Burns · May 20, 2013

Would one of these fit somewhere? 1/2" so may miss 5/8".

[ElectriciansForums.net] Antique lamp needs earthing

yellowvanman · May 21, 2013

pennywise said:
Microphone Stand Thread Adapter 3/8 to 5/8: Amazon.co.uk: Electronics

or find a thread adaptor that goes to a 5/8 to 10mm or 16mm, equivalent
Or a nice brass version

Brass Mic Stand thread adapter 3/8" internal thread 5/8"external thread - 022134 - purchase online Sennheiser Pro Spares

Thanks for trying and to everyhbody else who have made suggestions.

This is the closest but need a female 5/8 that then coverts to a male 3/8 (10mm) with a hole down the middle for the flex.

Don't think I'm going to get anything. Not sure a self tapper will work as there not much room, bango won't work!

Darkwood · May 21, 2013

£4m Ming vase turned into lamp sells for £550,000 | Mail Online

Before you do anything get it valued ....as above you say antique if that is true you will be destroying a historic piece just so your customer can use it as a lamp...... food for thought.