Still would go with Miswired.
if this is an auxiliary GFCI Spa Disconnect,
240 VAC, 50 Amp, then...
All of the following needs to be this way:
- 4 wires from MAIN Circuit panel, into GFCI disconnect box, 2 hots, 1 Neutral, 1 ground
- 2 hots go onto the disconnects Power Bus Bar for breaker
- 1 white Nuetral goes to Isolated nuetral bus bar
- 1 green Ground goes to ground lug directly on the box
- 1 GFCI in the auxiliary disconnect box
- The White Pigtail of the GFCI Breaker goes onto the Isolated Nuetral bus bar. There are now two wires there.
- 4 wires come into box from Spa. (Unless the spa is Specifically a 3 Wire Connection Spa!)
- 2 Hot/Line wires will go into the L1 & L2 lugs of the breaker respectively.
- 1 White Nuetral Wire will go into breaker as well at the "Load Nuetral lug, usually marked as 'LN'.
- It will NOT go on the Isolated Nuetral bus bar.
- Green Ground wire will be connected to ground lug, 2 wires are now connected there.
Connections at spa will be respectively connected: the 2 hots on line 1 and line 2. White wire goes to Nuetralnd green ground will go to a Ground Lug, most likely to metal control box.
If it's not wired in this manner, it is wired WRONG.
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