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Is it legal according to the NEC to plug in a transformer to a receptacle and run the wire in the wall to a recessed control for a tanning bed?
Wiki User
∙ 12y ago
for USA, Canada and other countries running a 60 Hz supply service.
Cords attached to power supplies/Transformers are not permitted to be installed in or through walls. You would have to surface mount the wire, or install NM cable (Romex) if you need to hide it in the wall.
There are other wiring options as well.
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As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.
Before you do any work yourself,
on electrical circuits, equipment or appliances,
always use a test meter to ensure the circuit is, in fact, de-energized.
IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB
SAFELY AND COMPETENTLY
REFER THIS WORK TO QUALIFIED PROFESSIONALS.
Wiki User
∙ 12y ago
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What is the difference between control transformer and Potential transformer?
Control transformer used only for control supply 110,220, 24,12V AC. But Potential transformer used voltage measurement purpose.
What is a Voltage compensator?
a control used to manually adjust the transformer to compensate for inconsistent electrical output
What is known as control transformer?
THIS IS ONLY DESCRIPTIVE NAME - THE TRANSFORMER USED IN CONTROL PANELS ARE USED FOR STEPPING DOWN TO A LOWER AND SAFER VOLTAGE HANDLING BY TECHNICIANS - 220V,110V, 48V, 24V, 12V, 6V. USUALLY FOR THE COILS OF CONTACTORS, RELAYS, TIMERS, PROTECTIVE DEVICES, PILOT LAMPS, METERINGS.
What are the different types of transformers?
A small list of transformers1. Distribution Transformers2. Padmount Transformers3. Station Transformers4. Station Transformers Various specific electrical application designs require a variety of transformer types. Although they all share the basic characteristic transformer principles, they are customize in construction or electrical properties for certain installation requirements or circuit conditions.Autotransformer: Transformer in which part of the winding is common to both primary and secondary circuits.Capacitor voltage transformer: Transformer in which capacitor divider is used to reduce high voltage before application to the primary winding.Distribution transformer, power transformer: International standards make a distinction in terms of distribution transformers being used to distribute energy from transmission lines and networks for local consumption and power transformers being used to transfer electric energy between the generator and distribution primary circuits.Phase angle regulating transformer: A specialized transformer used to control the flow of real power on three-phase electricity transmission networks.Scott-T transformer: Transformer used for phase transformation from three-phase to two-phase and vice versa.Polyphase transformer: Any transformer with more than one phase.Grounding transformer: Transformer used for grounding three-phase circuits to create a neutral in a three wire system, using a wye-delta transformer,[85][90] or more commonly, a zigzag grounding winding.Leakage transformer: Transformer that has loosely coupled windings.Resonant transformer: Transformer that uses resonance to generate a high secondary voltage.Audio transformer: Transformer used in audio equipment.Output transformer: Transformer used to match the output of a valve amplifier to its load.Instrument transformer: Potential or current transformer used to accurately and safely represent voltage, current or phase position of high voltage or high power circuits.Pulse transformer: Specialized small-signal transformer used to transmit digital signaling while providing electrical isolation.
What is the xo connection in a transformer for?
The X terminal identification on a transformer designates the secondary side of the transformer. Depending on the type of secondary windings, the terminals can be designated as X1, X2, X3 and X4. On a single winding secondary the terminals will be X1 and X2. The "hot" wire will be supplied from the X1 terminal and the return wire will use the X2 terminal. On most control transformers the X2 terminal should be grounded to the control panel's chassis.
What is the difference between control transformer and Potential transformer?
Control transformer used only for control supply 110,220, 24,12V AC. But Potential transformer used voltage measurement purpose.
What would the control voltage be for a transformer marked 240v 24vac?
A control transformer marked 240V - 24Vac would have a control voltage of 24 volts.
Could a jedi control a transformer with the force?
No
How much does it cost to get a remote control Transformer?
The price of remote control Transformer varies; it can start at $30 for a simple version to up for $300 for a more advanced version.
What does the term VA mean when applied to a control transformer?
VA refers to the effective load that is placed upon the Control Transformer (also known as Selection Inrush VA).
Can you install an electrical switch before a gfci?
Yes! you can install an switch a head of a GFCI receptacle. This installation is common in some applications to turn on an outside receptacle to control Christmas lights.
What is the output of the control transformer?
Depends on what the voltage is being stepped down in that particular control transformer. Control transformers usually step down a voltage of 480/208v to 120V. The 120Volts can now be used in safer manner to "control" start/stop buttons, and other components that are only built to run on 120V
Does a 3 phase motor starter with a 120 volt coil need a neutral to the coil?
Usually for this type of installation there is a control transformer installed in the starter enclosure. The primary of the transformer is the motors line voltage and the secondary is the control voltage which is usually 120 volts. In Canada the control transformer needs fusing on the secondary side of the transformer. In the US the transformer needs fusing on the primary and secondary sides of the transformer. The secondary side of the transformer's terminals are labeled X1 and X2. The X2 lead is grounded to the starter's enclosure. From this point out the wire is then termed the circuit's neutral wire. This wire then connects to one side of the magnetic starters draw in coil. Yes, 120 volt coil would require a neutral, this could be derived from the control transformer if it has one or from an external source.
What is a duplex grounded receptacle?
A duplex receptacle has two devices in a composite assembly on one yoke. It is the receptacle that is what you commonly think of as a receptacle [two places to plug in a lamp...] rather than a single receptacle, which has a place to connect one device. Removing the connecting bar as described in earlier answer merely allows two circuits or separate control of the two devices. original answer: a duplex receptacle is a normal looking receptacle but the little piece of copper bar between the terminal screws on the power side has been broken off and two different circuits feed the two screws- WRONG!
How do you convert 480v to 120v?
to derive 120 volts from 480 volts you have to use a transformer, based on your needs. If you needed 100 amps at 120 volt single phase you would need a 12kva transformer. This is just an example.
What is the max secondary amperage for a 40VA 240x24 volt control transformer?
1.6
How do you trace electrical circuits with no neutral?
In large control cabinets the test leads of the testing equipment sometimes are not long enough to stretch from the control transformer X2 terminal to the circuit that needs to be tested for voltage. If you have a control transformer for the control voltage, ground the X2 terminal of the transformer to the control panel enclosure. Tracing circuits now becomes easy as one lead of the tester can be used to test for voltages while the other test lead can be taken off of any metallic structure of the enclosure that the control circuitry is enclosed in.
