Pool Bonding

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J

JMV 6 Electric

Member
Location
Arizona
Occupation
electrician
Do I run my #8 halo bond to the sub panel? Or do I just run it around the pool, connect it equally distanced around the pool, and to all metal parts.
 
Little Bill

Little Bill

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Staff member
Location
Tennessee NEC:2017
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Semi-Retired Electrician
The "halo" is not required to run back to the panel. If the supports are metal & connected together, you hit them in four places equally spaced around the pool. You need to also bond the pool equipment, such as the pump motor. Don't forget the water bond.

Welcome to the Forum!
 
J

JMV 6 Electric

Member
Location
Arizona
Occupation
electrician
I'm running 125 amps from the main panel to the sub panel. From the sub panel I'll run power to the two pumps, heat pump, and chlorinater. There's also 3 low voltage nichless lights.

The halo bond will be ran around the pool, connected equally distanced at 4 points, and ran to the each equipment. Am I to run the bond to the pool sub panel? Sometimes there's a lug at the bottom (on the outside) of the sub panel.

Thank you for the information and acceptance in this forum.
 
S

shortcircuit2

Senior Member
Location
South of Bawstin
JMV 6 Electric said:
Sometimes there's a lug at the bottom (on the outside) of the sub panel.

Thank you for the information and acceptance in this forum.
Click to expand...

What do the installation instructions say regarding that lug on the bottom of the panel?

Here is what the Pentair instructions say...

Grounding and Bonding Connections Connect a ground conductor from the primary house electrical panel to the Load Center or Power Center GROUND BUS BAR (see page 27). Also ground each piece of high voltage (120 VAC or 240VAC) equipment that is connected to the Load Center or Power Center relays or circuit breakers. Also connect the Load Center and Power Center to the pool bonding system using 8 AWG (6 AWG for Canada) conductor. There are two (2) GROUND LUGS provides on the bottom of the Load Center and Power Center.
 
rnatalie

rnatalie

Senior Member
Location
Catawba, NC
Occupation
Retired Electrical Engineer
Bonding and Grounding are different items. Your #8 solid that connects to the motors, exposed metal, and the rebar, etc... is the equipotential bond. The second terminal on the Pentair is the GROUND requirement, it goes back with the supply wiring to whatever is feeding it. The fact that this equipment jumps the two together likely is neither required or disallowed by the code.
 
Little Bill

Little Bill

Moderator
Staff member
Location
Tennessee NEC:2017
Occupation
Semi-Retired Electrician
shortcircuit2 said:
What do the installation instructions say regarding that lug on the bottom of the panel?

Here is what the Pentair instructions say...

Grounding and Bonding Connections Connect a ground conductor from the primary house electrical panel to the Load Center or Power Center GROUND BUS BAR (see page 27). Also ground each piece of high voltage (120 VAC or 240VAC) equipment that is connected to the Load Center or Power Center relays or circuit breakers. Also connect the Load Center and Power Center to the pool bonding system using 8 AWG (6 AWG for Canada) conductor. There are two (2) GROUND LUGS provides on the bottom of the Load Center and Power Center.
Click to expand...
rnatalie said:
Bonding and Grounding are different items. Your #8 solid that connects to the motors, exposed metal, and the rebar, etc... is the equipotential bond. The second terminal on the Pentair is the GROUND requirement, it goes back with the supply wiring to whatever is feeding it. The fact that this equipment jumps the two together likely is neither required or disallowed by the code.
Click to expand...
That is just silly! The code doesn't require it! The panel is already bonded by the feed by the EGC that is in with the feed. Also, the pool equipment has an EGC run to it as well. So why the extra bond and/or grounding lug?
 
J

JMV 6 Electric

Member
Location
Arizona
Occupation
electrician
Little Bill said:
The "halo" is not required to run back to the panel. If the supports are metal & connected together, you hit them in four places equally spaced around the pool. You need to also bond the pool equipment, such as the pump motor. Don't forget the water bond.

Welcome to the Forum!
Click to expand...
Thank you for the information.
 
J

JMV 6 Electric

Member
Location
Arizona
Occupation
electrician
shortcircuit2 said:
What do the installation instructions say regarding that lug on the bottom of the panel?

Here is what the Pentair instructions say...

Grounding and Bonding Connections Connect a ground conductor from the primary house electrical panel to the Load Center or Power Center GROUND BUS BAR (see page 27). Also ground each piece of high voltage (120 VAC or 240VAC) equipment that is connected to the Load Center or Power Center relays or circuit breakers. Also connect the Load Center and Power Center to the pool bonding system using 8 AWG (6 AWG for Canada) conductor. There are two (2) GROUND LUGS provides on the bottom of the Load Center and Power Center.
Click to expand...
I don't have the pool panel make and model yet. I will ask the homeowner for that information and see what the installation instructions say.

Thank you for your input.
 
rnatalie

rnatalie

Senior Member
Location
Catawba, NC
Occupation
Retired Electrical Engineer
Perhaps, I'm misunderstanding you. Understand that these things often are used outside of the structure feeding them. When that is the case, there's going to need to be a ground separate from the bonding and the ground in the feeder.
 
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