Commercial Electrical Forum | Electrician Talk

480 volt 100 watt corncob LED bubs

11

814

Pulse start bulbs

8

443

Plug and Play Pre-Wired Power Distribution Box/Supply Maker?

2

240

Delta-Delta Transformer Question

16

546

More concrete and the wrong fir pump ATS

7

762

by gpop

4

458

The end of October and more underground

10

819

Steam table accessories

7

490

by Dennis Alwon

2

26

2K

Please help solve a mystery!

6

908

by gpop

High Bay conversions to Corn Cob or Star LED LAMPS

5

684

by kb1jb1

Changing fluorescent ballasts, wiring doesn't match

3

688

by Dennis Alwon

Simple web connected 277v light switch

1

552

by MikeFL

Transformer with an H0 terminal

15

903

by Cow

New 450 kw generator underground started

18

2K

by Southeast Power

Master Electrician Wires a new breaker, where turning it on causes the breaker above it to "trip".

4

980

by Dennis Alwon

3 phase QO 225 amp feed through lug kit

10

867

by Southeast Power

Replacing standard panel circuit breakers with AFCI type breakers

13

883

by emtnut

Watt Stopper Relays Failing

3

845

40 amp fuse in 200am disco

2

30

2K

by Knightryder12

Driling Through Studs

13

2K

by Quickservice

13

1K

Commercial Diag, trying to understand reasoning behind.

1

927

by telsa

Parallel Offsets different size conduits

3

864

Most expensive fire detection

15

2K

by Kevin_Essiambre

Traffic Signal/ Drilling Steel Poles

9

1K

by emtnut

Static phase converter

2

20

2K

by CMP

User metering and fan failures

6

897

by gpop

Building Controls Guys blowing our $25 fuses

12

2K

We finally installed the correct VFDs

7

1K

by bill39

Work cubicles in a commercial setting

18

1K

by eddy current

7 8 9

166

13K

by TGGT

Entering the top of NEMA 4X with Myers Hub

2

32

3K

by Quickservice

Huge old breaker 4000 amp

9

1K

3 Phase 3 Wire Questions

TRI0N
4 mo ago
Locked

2

20

2K