You may miss to look at these - Small products but will have big impact in real-time
HDMI Surge Protector
HDMI ESD protector is used to protect HDMI devices from electrostatic discharge/cable discharge/lightning. All TMDS high-speed signals, DDC, 5V, HPD, CEC channels are within the defense range of ESD and lightning surges, which can effectively protect the equipment
Cat6 Loops and Cables for LED Screen
Available in 1 Meter, 1.2, 1.5, 10, 20, 30, 50, 100 Meters
Bending Resistance , More Flexible, Bend More Than 1,00,000 Times