Terms
Cranes
Lift Planning
Stuff you should already know
NEC
100

This is the transportation of a load by a crane or hoist.

What is hoisting?

100

This is a type of industrial crane composed of a hoist trolley that travels along a horizontal beam supported by a leg assembly.

What is a gantry crane?

100
This is an evaluation of the potential hazards of a lift and the equipment and procedures required to safely execute the lift.

What is a lift plan?

100

This is either identified as either an overload condition or a short circuit condition.

What is an overcurrent?

100

The bottom of enclosures for transformers in marinas, boatyards, commercial and non commercial docking facilities shall not be located below this.

What is the electrical datum plane?

200

This is a rule made mandatory by a federal, state, or local government.

What is a regulation?

200

This crane is a mobile crane with a boom constructed from one or more sections of a thin steel gridwork.

What is a lattice-boom crane?

200

The service of this person is necessary if the lift requires equipment or procedures that are unusual and do not conform to established standards.

What is a qualified engineer?

200

The circuit conductors between the final overcurrent device protecting the circuit and the outlets best defines this.

What is a branch circuit?

200

Class 1, Division 1 locations at those in which ignitable concentrations of ______ can exist under normal operating conditions.

What is flammable gases or flammable liquid produced vapors

500.5(B)(1)(1)

300

This is a collection of voluntary rules developed through consensus and related to a particular trade, industry or environment.

What is a standard?

300

This is what the operator must obey if signaled from anyone, at any time.

What is the Stop signal?

300

This person you may need to help determine if the ground can support the weight of the hoisting equipment and load.

What is a civil engineer?

300
Current/voltage interruption means,  current sensing means, and unlatching means are all common operating functions shared by this.

What are mechanical OCPD's?

300

This article applies to the electrical safety of the installation, operation, and maintenance of Legally required standby systems intended to supply, distribute, and control electricity to required facilities for illumination or power, or both, when the normal electrical supply or system is interrupted.

What is article 701?


701.1

400

This is a combination of a hoist and a structure used to support and move a load.

What is a crane?

400

This must be found before connecting a load directly to the crane.

What is the center of gravity?

400

This is the area where partially or completely suspended materials might land if they become loose.

What is a fall zone?

400

Typically, this type of fuse uses a single element fuse construction.

What is a non-time-delay fuse?

400

Service raceways threaded into metal service equipment such as hubs are considered to be effectively ____ to the service metal enclosure.

What is bonded?

500

This is the tendency of a force to rotate an object around a point.

What is a moment?

500

This is the maximum tension that a crane or hoist may be subjected to while maintaining the appropriate margin of safety.

What is the rated capacity?

500

This is a method to control the swing of a load when it is in the air.

What is a tag line?

500

A conductor, other than a service conductor, that has overcurrent protection ahead of its point of supply that exceeds the value permitted for similar conductors and is protected as described elsewhere in 240.4.

What is a tap conductor?

500

For Class 1 locations where 501.140(A)(5) is applied, flexible cords shall be ____ from the power source to the temporary portable assembly to the utilization equipment.

of continuous length
M
e
n
u