A nursing home provides 24-hour care for at least this many persons.
What is 4?
A mobile home may have not more than one power-supply cord of this rating.
What is 50 A? (550.10(A))
Pool equipotential bonding conductor: solid copper of at least this size.
What is 8 AWG? (680.26)
Unless specifically approved for it, surface metal raceway is not permitted in this type of location.
What is a wet location? (386.12)
This new 2023 article covers cannabis oil extraction using flammable materials.
What is Article 512?
Minimum receptacles at a Category 2 patient bed location.
What is 8? (517.18(B))
Minimum height of the bottom of a mobile home service disconnect above grade.
What is 2 ft? (550.32(F))
Pool feeder or branch-circuit EGC: insulated copper, not smaller than this.
What is 12 AWG? (680.7)
Splices in surface metal raceway may fill no more than this percent of its area.
What is 75%? (386.56)
Name any one flammable solvent from the 512 informational note.
What is butane, ethanol, hexane, pentane, propane, or LPG? (512.20(B) Inf. Note)
Minimum receptacles at a Category 1 patient bed location.
What is 14? (517.19(B)(1))
Ranges and dryers in a mobile home get this many wires, because the neutral is never the EGC.
What is 4-wire? (550.16(A))
Perimeter surfaces within this distance of the water edge get bonded.
What is 3 ft? (680.26(B)(2))
Cable trays with conductors over this voltage need DANGER signs no more than 10 ft apart.
What is 600 V? (392.18(H))
The base plate of a wireless charging primary pad is made of this kind of metal.
What is nonferrous? (625.101)
A line isolation monitor alarms at this total hazard current.
What is 5 mA? (517.160)
RV park calc: each 50 A site is figured at this load.
What is 12,000 VA? (551.73(A))
A vinyl-liner pool needs a water bond with at least this much conductive surface.
What is 9 sq in.? (680.26(C))
Control/signal cable in a 6 in. or shallower ladder tray: fill limit of this percent.
What is 50%? (392.22(A)(2))
Where snow is plowed, a primary pad must be installed flush with or here.
What is below the surface? (625.102(C)(1))
An OR needs at least 36 receptacles; this range must be on normal or a second critical-branch source.
What is 12 to 24? (517.19(C))
Percent of existing and of new RV sites that need a 50 A receptacle.
What are 20% and 40%? (551.71)
Above this voltage to ground, a pool pump motor needs an SPGFCI instead of a GFCI.
What is 150 V? (680.21(C))
Surface metal raceway at 300 V or more needs metal at least this thick.
What is 0.040 in.? (386.12(2))
Horticultural lights on cord over 150 V to ground use this instead of a regular GFCI.
What is an SPGFCI? (410.184 Exception)