Dear forum community,
The electrical subcontractor from my general contractor has now reached out, saying he would like to finally discuss the electrical planning on site (at the construction site). I know that normally it is recommended to plan this trade from the very beginning, but that was not possible with my general contractor and the subcontractor; they explicitly wanted to do it only once the shell is finished.
Now, I would like to tap into the forum’s knowledge and your experience for general tips regarding electrical planning.
First, the standard equipment from my general contractor:
[QUOTE=Scope of work from the general contractor]
You will receive the complete electrical installation according to VDE standards including
meter cabinet, distribution panel, equipotential bonding, circuit breakers, and residual-current devices in the building.
Standard switch program and sockets (Elso, Berker, Jung or Busch/Jaeger) — white. Connected load of the
house: 14.5 kW. Battery-powered smoke detectors will be installed in all required rooms.
For underfloor heating, all rooms will have room temperature sensors. CAT 7 network cabling consisting
of one RJ45 double socket in the living and bedrooms and a patch panel in the utility room.
Hallway
1 lighting point
1 two-way switch
1 double socket outlet
1 doorbell system with chime in the hallway
1 external lighting point
House connection room
1 lighting point
1 off switch
1 double socket outlet
1 connection for outdoor temperature sensor
1 socket for the washing machine
Kitchen
1 lighting point
1 off switch
4 double socket outlets
1 socket for the refrigerator
1 socket for the dishwasher
1 cooker connection outlet
1 socket for the extractor hood
Living room
2 lighting points
2 two-way switches
4 double socket outlets
1 antenna empty conduit
1 telephone empty conduit
1 lighting point for the terrace
Guest WC
1 lighting point
1 off switch
1 double socket outlet
Each additional room
1 lighting point
1 off switch
3 double socket outlets
Bathroom
2 lighting points
2 off switches
4 socket outlets
[/QUOTE]
Furthermore, it is clear from my side that I need deep flush-mounted boxes for the blinds and shutters. I plan to equip these with Shellys for centralized control (probably at a later stage).
Other thoughts we have already considered:
- We do not want spotlights
- If in doubt, rather one double socket outlet and a power strip than banks of quadruple outlets
- We have already purchased square and rectangular LED panels (a total of 7) which will provide basic lighting, but we have absolutely no idea about specialized lighting concepts. Indirect lighting is already a familiar term.
- We cannot afford professional lighting consultation.
- I am interested in automatic lighting control with motion/presence sensors. Is this easily retrofit-able in a conventional electrical installation? Can such systems be time-controlled? For example, in the hallway, the light turns on via motion sensor, but after 10 p.m. (22:00) only dimmed and after midnight (0:00) not at all? Additionally, overridable by a switch?
- My wife likes cold, very bright light, while I prefer cozy, warm light. The aforementioned LED panels are adjustable. Are there alternative options for this?
From your perspective, what are the most important things to consider? What practical solutions have you implemented beyond the standard equipment that you would not want to miss?
Anyone is welcome to make concrete proposals. My floor plans can be found here (please ignore the furniture shown):
https://www.hausbau-forum.de/threads/lage-stadtvilla-oder-efh-auf-500-m2-rechteck.33505/post-409926
Thanks and best regards,
Tolentino
The electrical subcontractor from my general contractor has now reached out, saying he would like to finally discuss the electrical planning on site (at the construction site). I know that normally it is recommended to plan this trade from the very beginning, but that was not possible with my general contractor and the subcontractor; they explicitly wanted to do it only once the shell is finished.
Now, I would like to tap into the forum’s knowledge and your experience for general tips regarding electrical planning.
First, the standard equipment from my general contractor:
[QUOTE=Scope of work from the general contractor]
You will receive the complete electrical installation according to VDE standards including
meter cabinet, distribution panel, equipotential bonding, circuit breakers, and residual-current devices in the building.
Standard switch program and sockets (Elso, Berker, Jung or Busch/Jaeger) — white. Connected load of the
house: 14.5 kW. Battery-powered smoke detectors will be installed in all required rooms.
For underfloor heating, all rooms will have room temperature sensors. CAT 7 network cabling consisting
of one RJ45 double socket in the living and bedrooms and a patch panel in the utility room.
Hallway
1 lighting point
1 two-way switch
1 double socket outlet
1 doorbell system with chime in the hallway
1 external lighting point
House connection room
1 lighting point
1 off switch
1 double socket outlet
1 connection for outdoor temperature sensor
1 socket for the washing machine
Kitchen
1 lighting point
1 off switch
4 double socket outlets
1 socket for the refrigerator
1 socket for the dishwasher
1 cooker connection outlet
1 socket for the extractor hood
Living room
2 lighting points
2 two-way switches
4 double socket outlets
1 antenna empty conduit
1 telephone empty conduit
1 lighting point for the terrace
Guest WC
1 lighting point
1 off switch
1 double socket outlet
Each additional room
1 lighting point
1 off switch
3 double socket outlets
Bathroom
2 lighting points
2 off switches
4 socket outlets
[/QUOTE]
Furthermore, it is clear from my side that I need deep flush-mounted boxes for the blinds and shutters. I plan to equip these with Shellys for centralized control (probably at a later stage).
Other thoughts we have already considered:
- We do not want spotlights
- If in doubt, rather one double socket outlet and a power strip than banks of quadruple outlets
- We have already purchased square and rectangular LED panels (a total of 7) which will provide basic lighting, but we have absolutely no idea about specialized lighting concepts. Indirect lighting is already a familiar term.
- We cannot afford professional lighting consultation.
- I am interested in automatic lighting control with motion/presence sensors. Is this easily retrofit-able in a conventional electrical installation? Can such systems be time-controlled? For example, in the hallway, the light turns on via motion sensor, but after 10 p.m. (22:00) only dimmed and after midnight (0:00) not at all? Additionally, overridable by a switch?
- My wife likes cold, very bright light, while I prefer cozy, warm light. The aforementioned LED panels are adjustable. Are there alternative options for this?
From your perspective, what are the most important things to consider? What practical solutions have you implemented beyond the standard equipment that you would not want to miss?
Anyone is welcome to make concrete proposals. My floor plans can be found here (please ignore the furniture shown):
https://www.hausbau-forum.de/threads/lage-stadtvilla-oder-efh-auf-500-m2-rechteck.33505/post-409926
Thanks and best regards,
Tolentino
kbt09 schrieb:
For the discussion, I would mainly bring a drawing of each room individually on A4/A3 paper (possibly a few copies) and clearly mark where sockets and other outlets should be placed, also clearly labeling each room.
Room by room, so that it can be drawn more precisely, comments from the conversation can be added, and so on. Afterwards, both parties sign, take a photo copy with a smartphone, and you have effectively handed over the "detailed execution plan" to the electrician. We did the same back then. This way, we could review each room individually in advance and plan the electrical setup. Without having to jump around the floor plan with your eyes and getting confused by different rooms. For each room, we checked which appliances would roughly be placed where, then determined the minimum number of sockets and added a few extra as a reserve. We used the same approach for networking and switches and were well prepared.
During the on-site walkthrough, before the electrician begins installation, you can then tick off everything he marks on the plans. This way, nothing gets forgotten.
The electrician also appreciates it when you come prepared, at least ours did.
Tolentino schrieb:
It was advised to plan this trade from the very beginning; however, with my general contractor and subcontractor, that was not possible as they explicitly wanted to handle it only after the shell construction was completed. For us, it's exactly the opposite. We received a blank floor plan and basically had to draw everything ourselves before presenting the electrical layout during the planning meeting.
We started about three weeks in advance, and during the meeting, the electrician added a few additional details.
We received the final electrical work drawing from the electrician and will later compare this with the shell construction phase to see if it meets our needs or if any additions are necessary.
The total planned electrical work costs are just under 10,000.
Our electrician marked the shell construction with chalk and then proceeded with the work.
Make a plan showing where you want each item.
Keep your furniture layout in mind for each room along with the door swings, then have the switches installed and light outlets positioned accordingly.
Make a plan showing where you want each item.
Keep your furniture layout in mind for each room along with the door swings, then have the switches installed and light outlets positioned accordingly.
Tolentino schrieb:
I created a draft for the open space that will probably reflect the actual furnishing better than the architect’s design, but even in the hallway with cabinets and shelves, my sweetheart just can’t make up their mind. I’m that kind of sweetheart too and would try to plan the lighting to be as flexible as possible.
I’ve been living here for half a year now and am already considering rearranging the furniture. :p
Tolentino schrieb:
Double RJ45 is already included in every living room.That can mean everything or nothing. Network outlets should be wired with two terminal strips for Gigabit Ethernet 8P8C connectors. But at the other extreme, it could also mean an "ISDN" (= unshielded 8P4C) outlet with two ports on the same bus. Local electricians can be found even in big cities. It’s only just beginning that electricians and developers are starting to discuss with customers removing the second outlet (TAE) system... (Keep in mind: this is because they've heard more people are less interested in landline connections nowadays—not because they see differences between telecommunications (TK) "RJ45" and IT "RJ45.")
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