Step 1. Unscrew side and corner panels
Step 2. Feed cable through corner aperture of hot tub
Step 3. Feed cable towards control box
Step 4. Wire cable into control box (Ensure that the power supply is shut off prior to connection (To be done by a qualified electrician, and must meet required electrical standards).
Step 5. Rescrew corner and side panels. Neatly extend cable along base of hot tub and fix with tidy clips