Terminating a 400A 3 phase supply

Today im terminating a 400a 3 phase supply with jointech cabling. This is the second part of the day with Tony from jointech cabling, he taught me loads and we did some good work, if you havent seen part one of the day then watch it here: If you enjoy electrical content please subscribe to the channel and checkout my links below 👇 J O I N T E C H C A B L I N G 💪 B I G B O O T S D I S C O U N T 🥾 - Use code RESIDUAL L O A D O U T M Y T O O L S H O P 🛠️ L O A D O U T Y O U T U B E 📺 J O I N T H E C H A N N E L 🤝 I N S T A G R A M 📷 T I K T O K