Issue description:

went to place a cable to link the interface to the controller and client side crash

What happens:

client side crash

What you expected to happen:

it to link

Steps to reproduce:

1.right clicked to place cable next to controller and interface
2.
3.
...

Version (Make sure you are on the latest version before reporting):

• Minecraft: 1.10.2
• Forge: 12.18.3.2185
• Refined Storage: 1.2.17

Does this issue occur on a server? [yes/no] Yes

If a (crash)log is relevant for this issue, link it here:

http://pastebin.com/FW0y5Zk4
[pastebin/gist/etc link here]