Hello , I just recently bought a hot tub, It called for a 50 amp 6-3 wire with 50 ampl gfi sub panel. I ran the 6-3 wire sealed into the Electrical conduit , brought the wire into the house, wired everything up , and when I turn the breaker on ( in the House) then turn the breker on ( on the subpanel, the subpanel trips. I've wired the 50 amp breaker in the house as follows.

Red on top of double breaker
Black on bottom of double breaker
White , on White Buss Panel
Ground , On Ground Buss Panel

On the GFI sub Panel, It is wired as follows

Black ( from house ) into top screw of GFI Breaker
Red ( from House ) on Red Buss in sub Panel
White ( from House ) to White Buss in Sub panel
Ground (from house ) to ground Buss in Subpanel

Black ( from Spa) to Bottom Screw ( black) on GFI Breaker
White ( from Spa) to White on GFI under white pigtail on GFI breaker
Red ( from Spa ) to Red Buss In sub Panel
Ground ( from Spa ) to ground Buss in Subpanel.

The White pigtail that is attached to the Breaker is attached to the White Buss

Everything looks fine, But When I juice it up the breaker trips, I've tried Taking the " load " off the breaker by disconnecting the Spa and it still trips I have 10o Amp service in my house , and the 6-3 total run from house to sub panel to spa is about 48 feet any sugestions? Dave

Quote:

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Originally Posted by the OP

White ( from House ) to White Buss in Sub panel

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White from house needs to go to the pigtail on the GFCI breaker.

Load neutral (screw on GFCI breaker) should drive white isolated bus in sub-panel.

Quote:

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Originally Posted by dokkend

I ran the 6-3 wire sealed into the Electrical conduit , brought the wire into the house,

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You CANNOT run cable for the outside portion of this circuit. You MUST run individual conductors with an insulated green ground wire.