If so, all you need to do is remove the bonding strip and discard the bonding screw. A room air conditioner is an example of an appliance that would require a 30-amp breaker. Otherwise, ground-fault devices on circuits controlled by the subpanel wouldn't work.Sometimes, the ground and neutral bus are joined by a bonding strip but are otherwise separated. One breaker contacts one of the two 120-volt hot … You install a 30-amp breaker box by wiring it to a 30-amp, double-pole breaker in the main panel. Siemens 30 Amp Fusible AC Disconnect with 15 Amp GFCI Receptacle in a Steel Enclosure Model# WF2030GFCI $ 42 42 $ 42 42. Please visit a Menards store for information and to purchase. Again, throw away the bonding screw. No since the 60 amp circuit is protected at it's Ampacity, and the disconnect will protect its conductors at it's Ampacity, I don't see a problem. Sold in Stores.
Can you tell me where to find that definition in the code?This is a very common set up, if it was 60a going to a box and had a couple of 20 or 30amp taps going to their own fused disconnects, I'd call them taps. The fusible safety switch/disconnect must be rated for at least 60Amps and 480V. When used in home wiring a double pole breaker is used when a 240 volt service is needed (for a high draw appliance like a range or dryer). The neutral and ground bus are usually joined, and the panel comes with a screw that you install on the neutral bus to bond it to the metal enclosure box. Connect the white wire to the neutral bus and the ground wire to the ground bus.Be careful. For a better experience, please enable JavaScript in your browser before proceeding. Compare. Who cares what you call it, it's legal. You don't need it.Inside your 30-amp subpanel, you'll find lugs on the bus bars for each of the incoming wires. If this had been an unfused 30 amp disconnect with 50 amps of load after it, then we'd have something to talk about. You must use 10 AWG three-conductor cable to make this connection. Hunker may earn compensation through affiliate links in this story.
The disocnnect is fused at 15A. This is just #6 feeding a fused disconnect. It carries electricity at 240 volts, so you must treat it differently than regular 120-volt electric cable.If you're running the cable underground to a garage or outbuilding, you have two options, depending on how deep you're willing to dig. Can you tell me where to find that definition in the code? He has degrees in science and humanities and years of teaching experience. They should have appropriate waterproof fittings to attach to the main panel and to the subpanel or to the side of the house and the side of the outbuilding.A panel enclosure usually comes preequipped with two hot bus bars, a neutral bus and a ground bus. Each one is actually composed of two separate breakers permanently joined together. If the neutral and ground bus bars are permanently joined, you must install a separate ground bus. Midwest Electric Products 40 Amp 240-Volt Fused Evaporative Cooler Disconnect Model# U261F $ 119 38 $ 119 38. This is the part I was not sure about. The load on the switch are some space heaters. Not available for purchase online. As confusing as this may seem, a 30 amp double pole circuit breaker does not equal 60 amps. Hunker may earn compensation through affiliate links in this story. JavaScript is disabled. The ground bar and neutral bar in the subpanel must not be bonded to ensure … Mar 25, 2012 #12 Cow said: How is that a tap? The load on the switch are some space heaters. depends on distance, could just be a feeder IMO Location Portage, Indiana NEC: 2008. If the ground is hard and rocky, and it's only practical to go down 6 inches, you must enclose the wires in rigid galvanized conduit, and instead of a single sheathed cable, you need to run individual wires. An avid craftsman and musician, Deziel began writing on home improvement topics in 2010. Is it allowed to have a 60A circuit (480V, 3-wire) feeding a 30A fusible safety switch? you need to look 240.21(B)(2)(2) it is allowed and as I said done all the time. When installing a 30-amp subpanel, you connect it to the main panel via a 30-amp, double-pole breaker. Merchandise credit check is not valid towards purchases made on MENARDS.COM ®. H. hurk27 Senior Member. Most panels have predrilled lug holes for this purpose. Do not touch either of the hot bus bars with your tools.