Back of the book answers 301-400

301

610.57  removable

351

665.21  deadfront

302

665.2  heating equipment applicator

352

660.47B  oil resistant

303

625.29B  18 inches

353

590  receptacle

304

500.5  unclassified

354

675.15  lightning

305

502.10A1  MI

355

668.11B  2/0 AWG

306

513.10A2  shall not be

356

640.10A  within 5 feet

307

502.10A1 rigid

357

669.3  identified

308

551.42C  5

358

503.145  sparks and molten particles

309

555.12  90%

359

500.2  fusion

310

500.5B2  confined

360

502.10A2  dusttight

311

514.11C  20 feet from the dispenser

361

630.33  switch

312

515  PVC schedule 80

362

685  three

313

514

363

553.7B  LFMC  LFNC

314

670  125%

364

620.91C  each unit

315

555.19A4  30 amps

365

516  deposits

316

517.14  by #10AWG copper conductor

366

520.25A  not more than 125%

317

517.18C  listed tamper resistant

367

625.2  coupler

318

511  T

368

517.31  10 seconds

319

604.2  shall not be

369

518.1  100 or more

320

547.5  dust confinement area

370

552.4  seasonal

321

605.2  power for lighting

371

669.5  125%

322

540  hazardous gases

372

551  listed

323

660  F

373

605.4  two

324

501.10A2  flexible

374

700  approved

325

551  face up position

375

553.4  on

326

545  required

376

668.21D  control and instrumentation

327

680.22A5  25 feet

377

551  2 feet

328

503  extra hard usage

378

727.6  22 through 12 AWG

329

547  corrosive vapors

379

690.64A  supply side

330

668.2  electrolytic cell

380

695.4B  and a listed fire pump controller

331

600.9A  vehicular traffic

381

647.4B  distribution panel

332

770.24  building structure

382

645.5  125%

333

501.10A1  threaded rigid metal conduit

383

501.125  deenergizes

334

820.44D  8 feet

384

625  4 feet

335

727.4  ITC

385

725.21B  600

336

555  masts

386

640.45  approved nonconductive materials

337

682

387

552.48K

338

550  120/240

388

515.8A  under two or more

339

605.5B  lighting accessories

389

720.4  #12

340

625  F

390

630.41  flame retardant

341

518  3-phase 4-wire

391

604  capped

342

630  manufacturer, frequency

392

502.10A1  threaded bosses

343

517  nonmetallic

393

504  grounded

344

830.44F  2.5 meters

394

647  shall be GFCI( protected

345

508D  3/4

395

604.6A1  manufactured wiring system

346

505  d

396

500.4  a person

347

501.140A4  electric mixers

397

605

348

504.4  is not required

398

550.32C  100

349

552  park trailer

399

551.56C  #8

350

640  none

400

760.52B1  listed fittings or fire alarm device