L
londonlec
Hi all,
I have a commercial premises (school) that requires installation of main bonding at a block which is an outbuilding from the main school.
Now the bonding in the main school is 50mm, however the cable feeding this outbuilding is just a 25mm 4core.
So what size should I be using?!
Many thanks in advance.
I have a commercial premises (school) that requires installation of main bonding at a block which is an outbuilding from the main school.
Now the bonding in the main school is 50mm, however the cable feeding this outbuilding is just a 25mm 4core.
So what size should I be using?!
Many thanks in advance.