Disclaimer

Just because a connector has a wiring standard, it doesn't mean the cable you're using is following it.
Please be very careful, especially with power connectors. Always check when using somebody else's kit
Off the top of my head I can think of at least one hire company which doesn't follow the Socapex standard listed here.

If in any doubt, check!!

I cannot accept any responsibilty arising from the use of this information. It's there for guidance, but the responsibility rests with YOU to make sure what you're doing is safe.

Take care.