1. Can I use it in place of 4 in 1 T/Y connector?
2. What is the advantage of this over 4 in 1 T/Y connector?
It has a higher output current rating up to 40A.
3. What is the maximum combined power?
4. Is this box waterproof?
5. What is the advantage of fuse in this box?
It can provide extra protection ie; over current protection for the output devices.
1 year from the date of the invoice. Do not tamper the bar code to claim the warranty.